New Readline package.

34 files changed, 22382 insertions, 0 deletions

diff --git a/readline-4.3.orig/bind.c b/readline-4.3.orig/bind.c
new file mode 100644
index 0000000..65ef401
--- /dev/null
+++ b/readline-4.3.orig/bind.c
@@ -0,0 +1,2150 @@
+/* bind.c -- key binding and startup file support for the readline library. */
+
+/* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc.
+
+   This file is part of the GNU Readline Library, a library for
+   reading lines of text with interactive input and history editing.
+
+   The GNU Readline Library is free software; you can redistribute it
+   and/or modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2, or
+   (at your option) any later version.
+
+   The GNU Readline Library is distributed in the hope that it will be
+   useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   The GNU General Public License is often shipped with GNU software, and
+   is generally kept in a file called COPYING or LICENSE.  If you do not
+   have a copy of the license, write to the Free Software Foundation,
+   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+#define READLINE_LIBRARY
+
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
+
+#include <stdio.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#if defined (HAVE_SYS_FILE_H)
+#  include <sys/file.h>
+#endif /* HAVE_SYS_FILE_H */
+
+#if defined (HAVE_UNISTD_H)
+#  include <unistd.h>
+#endif /* HAVE_UNISTD_H */
+
+#if defined (HAVE_STDLIB_H)
+#  include <stdlib.h>
+#else
+#  include "ansi_stdlib.h"
+#endif /* HAVE_STDLIB_H */
+
+#include <errno.h>
+
+#if !defined (errno)
+extern int errno;
+#endif /* !errno */
+
+#include "posixstat.h"
+
+/* System-specific feature definitions and include files. */
+#include "rldefs.h"
+
+/* Some standard library routines. */
+#include "readline.h"
+#include "history.h"
+
+#include "rlprivate.h"
+#include "rlshell.h"
+#include "xmalloc.h"
+
+#if !defined (strchr) && !defined (__STDC__)
+extern char *strchr (), *strrchr ();
+#endif /* !strchr && !__STDC__ */
+
+/* Variables exported by this file. */
+Keymap rl_binding_keymap;
+
+static char *_rl_read_file PARAMS((char *, size_t *));
+static void _rl_init_file_error PARAMS((const char *));
+static int _rl_read_init_file PARAMS((const char *, int));
+static int glean_key_from_name PARAMS((char *));
+static int substring_member_of_array PARAMS((char *, const char **));
+
+static int currently_reading_init_file;
+
+/* used only in this file */
+static int _rl_prefer_visible_bell = 1;
+
+/* **************************************************************** */
+/*								    */
+/*			Binding keys				    */
+/*								    */
+/* **************************************************************** */
+
+/* rl_add_defun (char *name, rl_command_func_t *function, int key)
+   Add NAME to the list of named functions.  Make FUNCTION be the function
+   that gets called.  If KEY is not -1, then bind it. */
+int
+rl_add_defun (name, function, key)
+     const char *name;
+     rl_command_func_t *function;
+     int key;
+{
+  if (key != -1)
+    rl_bind_key (key, function);
+  rl_add_funmap_entry (name, function);
+  return 0;
+}
+
+/* Bind KEY to FUNCTION.  Returns non-zero if KEY is out of range. */
+int
+rl_bind_key (key, function)
+     int key;
+     rl_command_func_t *function;
+{
+  if (key < 0)
+    return (key);
+
+  if (META_CHAR (key) && _rl_convert_meta_chars_to_ascii)
+    {
+      if (_rl_keymap[ESC].type == ISKMAP)
+	{
+	  Keymap escmap;
+
+	  escmap = FUNCTION_TO_KEYMAP (_rl_keymap, ESC);
+	  key = UNMETA (key);
+	  escmap[key].type = ISFUNC;
+	  escmap[key].function = function;
+	  return (0);
+	}
+      return (key);
+    }
+
+  _rl_keymap[key].type = ISFUNC;
+  _rl_keymap[key].function = function;
+  rl_binding_keymap = _rl_keymap;
+  return (0);
+}
+
+/* Bind KEY to FUNCTION in MAP.  Returns non-zero in case of invalid
+   KEY. */
+int
+rl_bind_key_in_map (key, function, map)
+     int key;
+     rl_command_func_t *function;
+     Keymap map;
+{
+  int result;
+  Keymap oldmap;
+
+  oldmap = _rl_keymap;
+  _rl_keymap = map;
+  result = rl_bind_key (key, function);
+  _rl_keymap = oldmap;
+  return (result);
+}
+
+/* Make KEY do nothing in the currently selected keymap.
+   Returns non-zero in case of error. */
+int
+rl_unbind_key (key)
+     int key;
+{
+  return (rl_bind_key (key, (rl_command_func_t *)NULL));
+}
+
+/* Make KEY do nothing in MAP.
+   Returns non-zero in case of error. */
+int
+rl_unbind_key_in_map (key, map)
+     int key;
+     Keymap map;
+{
+  return (rl_bind_key_in_map (key, (rl_command_func_t *)NULL, map));
+}
+
+/* Unbind all keys bound to FUNCTION in MAP. */
+int
+rl_unbind_function_in_map (func, map)
+     rl_command_func_t *func;
+     Keymap map;
+{
+  register int i, rval;
+
+  for (i = rval = 0; i < KEYMAP_SIZE; i++)
+    {
+      if (map[i].type == ISFUNC && map[i].function == func)
+	{
+	  map[i].function = (rl_command_func_t *)NULL;
+	  rval = 1;
+	}
+    }
+  return rval;
+}
+
+int
+rl_unbind_command_in_map (command, map)
+     const char *command;
+     Keymap map;
+{
+  rl_command_func_t *func;
+
+  func = rl_named_function (command);
+  if (func == 0)
+    return 0;
+  return (rl_unbind_function_in_map (func, map));
+}
+
+/* Bind the key sequence represented by the string KEYSEQ to
+   FUNCTION.  This makes new keymaps as necessary.  The initial
+   place to do bindings is in MAP. */
+int
+rl_set_key (keyseq, function, map)
+     const char *keyseq;
+     rl_command_func_t *function;
+     Keymap map;
+{
+  return (rl_generic_bind (ISFUNC, keyseq, (char *)function, map));
+}
+
+/* Bind the key sequence represented by the string KEYSEQ to
+   the string of characters MACRO.  This makes new keymaps as
+   necessary.  The initial place to do bindings is in MAP. */
+int
+rl_macro_bind (keyseq, macro, map)
+     const char *keyseq, *macro;
+     Keymap map;
+{
+  char *macro_keys;
+  int macro_keys_len;
+
+  macro_keys = (char *)xmalloc ((2 * strlen (macro)) + 1);
+
+  if (rl_translate_keyseq (macro, macro_keys, &macro_keys_len))
+    {
+      free (macro_keys);
+      return -1;
+    }
+  rl_generic_bind (ISMACR, keyseq, macro_keys, map);
+  return 0;
+}
+
+/* Bind the key sequence represented by the string KEYSEQ to
+   the arbitrary pointer DATA.  TYPE says what kind of data is
+   pointed to by DATA, right now this can be a function (ISFUNC),
+   a macro (ISMACR), or a keymap (ISKMAP).  This makes new keymaps
+   as necessary.  The initial place to do bindings is in MAP. */
+int
+rl_generic_bind (type, keyseq, data, map)
+     int type;
+     const char *keyseq;
+     char *data;
+     Keymap map;
+{
+  char *keys;
+  int keys_len;
+  register int i;
+  KEYMAP_ENTRY k;
+
+  k.function = 0;
+
+  /* If no keys to bind to, exit right away. */
+  if (!keyseq || !*keyseq)
+    {
+      if (type == ISMACR)
+	free (data);
+      return -1;
+    }
+
+  keys = (char *)xmalloc (1 + (2 * strlen (keyseq)));
+
+  /* Translate the ASCII representation of KEYSEQ into an array of
+     characters.  Stuff the characters into KEYS, and the length of
+     KEYS into KEYS_LEN. */
+  if (rl_translate_keyseq (keyseq, keys, &keys_len))
+    {
+      free (keys);
+      return -1;
+    }
+
+  /* Bind keys, making new keymaps as necessary. */
+  for (i = 0; i < keys_len; i++)
+    {
+      unsigned char uc = keys[i];
+      int ic;
+
+      ic = uc;
+      if (ic < 0 || ic >= KEYMAP_SIZE)
+	return -1;
+
+      if (_rl_convert_meta_chars_to_ascii && META_CHAR (ic))
+	{
+	  ic = UNMETA (ic);
+	  if (map[ESC].type == ISKMAP)
+	    map = FUNCTION_TO_KEYMAP (map, ESC);
+	}
+
+      if ((i + 1) < keys_len)
+	{
+	  if (map[ic].type != ISKMAP)
+	    {
+	      /* We allow subsequences of keys.  If a keymap is being
+		 created that will `shadow' an existing function or macro
+		 key binding, we save that keybinding into the ANYOTHERKEY
+		 index in the new map.  The dispatch code will look there
+		 to find the function to execute if the subsequence is not
+		 matched.  ANYOTHERKEY was chosen to be greater than
+		 UCHAR_MAX. */
+	      k = map[ic];
+
+	      map[ic].type = ISKMAP;
+	      map[ic].function = KEYMAP_TO_FUNCTION (rl_make_bare_keymap());
+	    }
+	  map = FUNCTION_TO_KEYMAP (map, ic);
+	  /* The dispatch code will return this function if no matching
+	     key sequence is found in the keymap.  This (with a little
+	     help from the dispatch code in readline.c) allows `a' to be
+	     mapped to something, `abc' to be mapped to something else,
+	     and the function bound  to `a' to be executed when the user
+	     types `abx', leaving `bx' in the input queue. */
+	  if (k.function /* && k.type == ISFUNC */)
+	    {
+	      map[ANYOTHERKEY] = k;
+	      k.function = 0;
+	    }
+	}
+      else
+	{
+	  if (map[ic].type == ISMACR)
+	    free ((char *)map[ic].function);
+	  else if (map[ic].type == ISKMAP)
+	    {
+	      map = FUNCTION_TO_KEYMAP (map, ic);
+	      ic = ANYOTHERKEY;
+	    }
+
+	  map[ic].function = KEYMAP_TO_FUNCTION (data);
+	  map[ic].type = type;
+	}
+
+      rl_binding_keymap = map;
+    }
+  free (keys);
+  return 0;
+}
+
+/* Translate the ASCII representation of SEQ, stuffing the values into ARRAY,
+   an array of characters.  LEN gets the final length of ARRAY.  Return
+   non-zero if there was an error parsing SEQ. */
+int
+rl_translate_keyseq (seq, array, len)
+     const char *seq;
+     char *array;
+     int *len;
+{
+  register int i, c, l, temp;
+
+  for (i = l = 0; c = seq[i]; i++)
+    {
+      if (c == '\\')
+	{
+	  c = seq[++i];
+
+	  if (c == 0)
+	    break;
+
+	  /* Handle \C- and \M- prefixes. */
+	  if ((c == 'C' || c == 'M') && seq[i + 1] == '-')
+	    {
+	      /* Handle special case of backwards define. */
+	      if (strncmp (&seq[i], "C-\\M-", 5) == 0)
+		{
+		  array[l++] = ESC;	/* ESC is meta-prefix */
+		  i += 5;
+		  array[l++] = CTRL (_rl_to_upper (seq[i]));
+		  if (seq[i] == '\0')
+		    i--;
+		}
+	      else if (c == 'M')
+		{
+		  i++;
+		  array[l++] = ESC;	/* ESC is meta-prefix */
+		}
+	      else if (c == 'C')
+		{
+		  i += 2;
+		  /* Special hack for C-?... */
+		  array[l++] = (seq[i] == '?') ? RUBOUT : CTRL (_rl_to_upper (seq[i]));
+		}
+	      continue;
+	    }	      
+
+	  /* Translate other backslash-escaped characters.  These are the
+	     same escape sequences that bash's `echo' and `printf' builtins
+	     handle, with the addition of \d -> RUBOUT.  A backslash
+	     preceding a character that is not special is stripped. */
+	  switch (c)
+	    {
+	    case 'a':
+	      array[l++] = '\007';
+	      break;
+	    case 'b':
+	      array[l++] = '\b';
+	      break;
+	    case 'd':
+	      array[l++] = RUBOUT;	/* readline-specific */
+	      break;
+	    case 'e':
+	      array[l++] = ESC;
+	      break;
+	    case 'f':
+	      array[l++] = '\f';
+	      break;
+	    case 'n':
+	      array[l++] = NEWLINE;
+	      break;
+	    case 'r':
+	      array[l++] = RETURN;
+	      break;
+	    case 't':
+	      array[l++] = TAB;
+	      break;
+	    case 'v':
+	      array[l++] = 0x0B;
+	      break;
+	    case '\\':
+	      array[l++] = '\\';
+	      break;
+	    case '0': case '1': case '2': case '3':
+	    case '4': case '5': case '6': case '7':
+	      i++;
+	      for (temp = 2, c -= '0'; ISOCTAL (seq[i]) && temp--; i++)
+	        c = (c * 8) + OCTVALUE (seq[i]);
+	      i--;	/* auto-increment in for loop */
+	      array[l++] = c & largest_char;
+	      break;
+	    case 'x':
+	      i++;
+	      for (temp = 2, c = 0; ISXDIGIT ((unsigned char)seq[i]) && temp--; i++)
+	        c = (c * 16) + HEXVALUE (seq[i]);
+	      if (temp == 2)
+	        c = 'x';
+	      i--;	/* auto-increment in for loop */
+	      array[l++] = c & largest_char;
+	      break;
+	    default:	/* backslashes before non-special chars just add the char */
+	      array[l++] = c;
+	      break;	/* the backslash is stripped */
+	    }
+	  continue;
+	}
+
+      array[l++] = c;
+    }
+
+  *len = l;
+  array[l] = '\0';
+  return (0);
+}
+
+char *
+rl_untranslate_keyseq (seq)
+     int seq;
+{
+  static char kseq[16];
+  int i, c;
+
+  i = 0;
+  c = seq;
+  if (META_CHAR (c))
+    {
+      kseq[i++] = '\\';
+      kseq[i++] = 'M';
+      kseq[i++] = '-';
+      c = UNMETA (c);
+    }
+  else if (CTRL_CHAR (c))
+    {
+      kseq[i++] = '\\';
+      kseq[i++] = 'C';
+      kseq[i++] = '-';
+      c = _rl_to_lower (UNCTRL (c));
+    }
+  else if (c == RUBOUT)
+    {
+      kseq[i++] = '\\';
+      kseq[i++] = 'C';
+      kseq[i++] = '-';
+      c = '?';
+    }
+
+  if (c == ESC)
+    {
+      kseq[i++] = '\\';
+      c = 'e';
+    }
+  else if (c == '\\' || c == '"')
+    {
+      kseq[i++] = '\\';
+    }
+
+  kseq[i++] = (unsigned char) c;
+  kseq[i] = '\0';
+  return kseq;
+}
+
+static char *
+_rl_untranslate_macro_value (seq)
+     char *seq;
+{
+  char *ret, *r, *s;
+  int c;
+
+  r = ret = (char *)xmalloc (7 * strlen (seq) + 1);
+  for (s = seq; *s; s++)
+    {
+      c = *s;
+      if (META_CHAR (c))
+	{
+	  *r++ = '\\';
+	  *r++ = 'M';
+	  *r++ = '-';
+	  c = UNMETA (c);
+	}
+      else if (CTRL_CHAR (c) && c != ESC)
+	{
+	  *r++ = '\\';
+	  *r++ = 'C';
+	  *r++ = '-';
+	  c = _rl_to_lower (UNCTRL (c));
+	}
+      else if (c == RUBOUT)
+ 	{
+ 	  *r++ = '\\';
+ 	  *r++ = 'C';
+ 	  *r++ = '-';
+ 	  c = '?';
+ 	}
+
+      if (c == ESC)
+	{
+	  *r++ = '\\';
+	  c = 'e';
+	}
+      else if (c == '\\' || c == '"')
+	*r++ = '\\';
+
+      *r++ = (unsigned char)c;
+    }
+  *r = '\0';
+  return ret;
+}
+
+/* Return a pointer to the function that STRING represents.
+   If STRING doesn't have a matching function, then a NULL pointer
+   is returned. */
+rl_command_func_t *
+rl_named_function (string)
+     const char *string;
+{
+  register int i;
+
+  rl_initialize_funmap ();
+
+  for (i = 0; funmap[i]; i++)
+    if (_rl_stricmp (funmap[i]->name, string) == 0)
+      return (funmap[i]->function);
+  return ((rl_command_func_t *)NULL);
+}
+
+/* Return the function (or macro) definition which would be invoked via
+   KEYSEQ if executed in MAP.  If MAP is NULL, then the current keymap is
+   used.  TYPE, if non-NULL, is a pointer to an int which will receive the
+   type of the object pointed to.  One of ISFUNC (function), ISKMAP (keymap),
+   or ISMACR (macro). */
+rl_command_func_t *
+rl_function_of_keyseq (keyseq, map, type)
+     const char *keyseq;
+     Keymap map;
+     int *type;
+{
+  register int i;
+
+  if (!map)
+    map = _rl_keymap;
+
+  for (i = 0; keyseq && keyseq[i]; i++)
+    {
+      unsigned char ic = keyseq[i];
+
+      if (META_CHAR (ic) && _rl_convert_meta_chars_to_ascii)
+	{
+	  if (map[ESC].type != ISKMAP)
+	    {
+	      if (type)
+		*type = map[ESC].type;
+
+	      return (map[ESC].function);
+	    }
+	  else
+	    {
+	      map = FUNCTION_TO_KEYMAP (map, ESC);
+	      ic = UNMETA (ic);
+	    }
+	}
+
+      if (map[ic].type == ISKMAP)
+	{
+	  /* If this is the last key in the key sequence, return the
+	     map. */
+	  if (!keyseq[i + 1])
+	    {
+	      if (type)
+		*type = ISKMAP;
+
+	      return (map[ic].function);
+	    }
+	  else
+	    map = FUNCTION_TO_KEYMAP (map, ic);
+	}
+      else
+	{
+	  if (type)
+	    *type = map[ic].type;
+
+	  return (map[ic].function);
+	}
+    }
+  return ((rl_command_func_t *) NULL);
+}
+
+/* The last key bindings file read. */
+static char *last_readline_init_file = (char *)NULL;
+
+/* The file we're currently reading key bindings from. */
+static const char *current_readline_init_file;
+static int current_readline_init_include_level;
+static int current_readline_init_lineno;
+
+/* Read FILENAME into a locally-allocated buffer and return the buffer.
+   The size of the buffer is returned in *SIZEP.  Returns NULL if any
+   errors were encountered. */
+static char *
+_rl_read_file (filename, sizep)
+     char *filename;
+     size_t *sizep;
+{
+  struct stat finfo;
+  size_t file_size;
+  char *buffer;
+  int i, file;
+
+  if ((stat (filename, &finfo) < 0) || (file = open (filename, O_RDONLY, 0666)) < 0)
+    return ((char *)NULL);
+
+  file_size = (size_t)finfo.st_size;
+
+  /* check for overflow on very large files */
+  if (file_size != finfo.st_size || file_size + 1 < file_size)
+    {
+      if (file >= 0)
+	close (file);
+#if defined (EFBIG)
+      errno = EFBIG;
+#endif
+      return ((char *)NULL);
+    }
+
+  /* Read the file into BUFFER. */
+  buffer = (char *)xmalloc (file_size + 1);
+  i = read (file, buffer, file_size);
+  close (file);
+
+  if (i < 0)
+    {
+      free (buffer);
+      return ((char *)NULL);
+    }
+
+  buffer[i] = '\0';
+  if (sizep)
+    *sizep = i;
+
+  return (buffer);
+}
+
+/* Re-read the current keybindings file. */
+int
+rl_re_read_init_file (count, ignore)
+     int count, ignore;
+{
+  int r;
+  r = rl_read_init_file ((const char *)NULL);
+  rl_set_keymap_from_edit_mode ();
+  return r;
+}
+
+/* Do key bindings from a file.  If FILENAME is NULL it defaults
+   to the first non-null filename from this list:
+     1. the filename used for the previous call
+     2. the value of the shell variable `INPUTRC'
+     3. ~/.inputrc
+   If the file existed and could be opened and read, 0 is returned,
+   otherwise errno is returned. */
+int
+rl_read_init_file (filename)
+     const char *filename;
+{
+  /* Default the filename. */
+  if (filename == 0)
+    {
+      filename = last_readline_init_file;
+      if (filename == 0)
+        filename = sh_get_env_value ("INPUTRC");
+      if (filename == 0)
+	filename = DEFAULT_INPUTRC;
+    }
+
+  if (*filename == 0)
+    filename = DEFAULT_INPUTRC;
+
+#if defined (__MSDOS__)
+  if (_rl_read_init_file (filename, 0) == 0)
+    return 0;
+  filename = "~/_inputrc";
+#endif
+  return (_rl_read_init_file (filename, 0));
+}
+
+static int
+_rl_read_init_file (filename, include_level)
+     const char *filename;
+     int include_level;
+{
+  register int i;
+  char *buffer, *openname, *line, *end;
+  size_t file_size;
+
+  current_readline_init_file = filename;
+  current_readline_init_include_level = include_level;
+
+  openname = tilde_expand (filename);
+  buffer = _rl_read_file (openname, &file_size);
+  free (openname);
+
+  if (buffer == 0)
+    return (errno);
+  
+  if (include_level == 0 && filename != last_readline_init_file)
+    {
+      FREE (last_readline_init_file);
+      last_readline_init_file = savestring (filename);
+    }
+
+  currently_reading_init_file = 1;
+
+  /* Loop over the lines in the file.  Lines that start with `#' are
+     comments; all other lines are commands for readline initialization. */
+  current_readline_init_lineno = 1;
+  line = buffer;
+  end = buffer + file_size;
+  while (line < end)
+    {
+      /* Find the end of this line. */
+      for (i = 0; line + i != end && line[i] != '\n'; i++);
+
+#if defined (__CYGWIN__)
+      /* ``Be liberal in what you accept.'' */
+      if (line[i] == '\n' && line[i-1] == '\r')
+	line[i - 1] = '\0';
+#endif
+
+      /* Mark end of line. */
+      line[i] = '\0';
+
+      /* Skip leading whitespace. */
+      while (*line && whitespace (*line))
+        {
+	  line++;
+	  i--;
+        }
+
+      /* If the line is not a comment, then parse it. */
+      if (*line && *line != '#')
+	rl_parse_and_bind (line);
+
+      /* Move to the next line. */
+      line += i + 1;
+      current_readline_init_lineno++;
+    }
+
+  free (buffer);
+  currently_reading_init_file = 0;
+  return (0);
+}
+
+static void
+_rl_init_file_error (msg)
+     const char *msg;
+{
+  if (currently_reading_init_file)
+    fprintf (stderr, "readline: %s: line %d: %s\n", current_readline_init_file,
+		     current_readline_init_lineno, msg);
+  else
+    fprintf (stderr, "readline: %s\n", msg);
+}
+
+/* **************************************************************** */
+/*								    */
+/*			Parser Directives       		    */
+/*								    */
+/* **************************************************************** */
+
+typedef int _rl_parser_func_t PARAMS((char *));
+
+/* Things that mean `Control'. */
+const char *_rl_possible_control_prefixes[] = {
+  "Control-", "C-", "CTRL-", (const char *)NULL
+};
+
+const char *_rl_possible_meta_prefixes[] = {
+  "Meta", "M-", (const char *)NULL
+};
+
+/* Conditionals. */
+
+/* Calling programs set this to have their argv[0]. */
+const char *rl_readline_name = "other";
+
+/* Stack of previous values of parsing_conditionalized_out. */
+static unsigned char *if_stack = (unsigned char *)NULL;
+static int if_stack_depth;
+static int if_stack_size;
+
+/* Push _rl_parsing_conditionalized_out, and set parser state based
+   on ARGS. */
+static int
+parser_if (args)
+     char *args;
+{
+  register int i;
+
+  /* Push parser state. */
+  if (if_stack_depth + 1 >= if_stack_size)
+    {
+      if (!if_stack)
+	if_stack = (unsigned char *)xmalloc (if_stack_size = 20);
+      else
+	if_stack = (unsigned char *)xrealloc (if_stack, if_stack_size += 20);
+    }
+  if_stack[if_stack_depth++] = _rl_parsing_conditionalized_out;
+
+  /* If parsing is turned off, then nothing can turn it back on except
+     for finding the matching endif.  In that case, return right now. */
+  if (_rl_parsing_conditionalized_out)
+    return 0;
+
+  /* Isolate first argument. */
+  for (i = 0; args[i] && !whitespace (args[i]); i++);
+
+  if (args[i])
+    args[i++] = '\0';
+
+  /* Handle "$if term=foo" and "$if mode=emacs" constructs.  If this
+     isn't term=foo, or mode=emacs, then check to see if the first
+     word in ARGS is the same as the value stored in rl_readline_name. */
+  if (rl_terminal_name && _rl_strnicmp (args, "term=", 5) == 0)
+    {
+      char *tem, *tname;
+
+      /* Terminals like "aaa-60" are equivalent to "aaa". */
+      tname = savestring (rl_terminal_name);
+      tem = strchr (tname, '-');
+      if (tem)
+	*tem = '\0';
+
+      /* Test the `long' and `short' forms of the terminal name so that
+	 if someone has a `sun-cmd' and does not want to have bindings
+	 that will be executed if the terminal is a `sun', they can put
+	 `$if term=sun-cmd' into their .inputrc. */
+      _rl_parsing_conditionalized_out = _rl_stricmp (args + 5, tname) &&
+					_rl_stricmp (args + 5, rl_terminal_name);
+      free (tname);
+    }
+#if defined (VI_MODE)
+  else if (_rl_strnicmp (args, "mode=", 5) == 0)
+    {
+      int mode;
+
+      if (_rl_stricmp (args + 5, "emacs") == 0)
+	mode = emacs_mode;
+      else if (_rl_stricmp (args + 5, "vi") == 0)
+	mode = vi_mode;
+      else
+	mode = no_mode;
+
+      _rl_parsing_conditionalized_out = mode != rl_editing_mode;
+    }
+#endif /* VI_MODE */
+  /* Check to see if the first word in ARGS is the same as the
+     value stored in rl_readline_name. */
+  else if (_rl_stricmp (args, rl_readline_name) == 0)
+    _rl_parsing_conditionalized_out = 0;
+  else
+    _rl_parsing_conditionalized_out = 1;
+  return 0;
+}
+
+/* Invert the current parser state if there is anything on the stack. */
+static int
+parser_else (args)
+     char *args;
+{
+  register int i;
+
+  if (if_stack_depth == 0)
+    {
+      _rl_init_file_error ("$else found without matching $if");
+      return 0;
+    }
+
+  /* Check the previous (n - 1) levels of the stack to make sure that
+     we haven't previously turned off parsing. */
+  for (i = 0; i < if_stack_depth - 1; i++)
+    if (if_stack[i] == 1)
+      return 0;
+
+  /* Invert the state of parsing if at top level. */
+  _rl_parsing_conditionalized_out = !_rl_parsing_conditionalized_out;
+  return 0;
+}
+
+/* Terminate a conditional, popping the value of
+   _rl_parsing_conditionalized_out from the stack. */
+static int
+parser_endif (args)
+     char *args;
+{
+  if (if_stack_depth)
+    _rl_parsing_conditionalized_out = if_stack[--if_stack_depth];
+  else
+    _rl_init_file_error ("$endif without matching $if");
+  return 0;
+}
+
+static int
+parser_include (args)
+     char *args;
+{
+  const char *old_init_file;
+  char *e;
+  int old_line_number, old_include_level, r;
+
+  if (_rl_parsing_conditionalized_out)
+    return (0);
+
+  old_init_file = current_readline_init_file;
+  old_line_number = current_readline_init_lineno;
+  old_include_level = current_readline_init_include_level;
+
+  e = strchr (args, '\n');
+  if (e)
+    *e = '\0';
+  r = _rl_read_init_file ((const char *)args, old_include_level + 1);
+
+  current_readline_init_file = old_init_file;
+  current_readline_init_lineno = old_line_number;
+  current_readline_init_include_level = old_include_level;
+
+  return r;
+}
+  
+/* Associate textual names with actual functions. */
+static struct {
+  const char *name;
+  _rl_parser_func_t *function;
+} parser_directives [] = {
+  { "if", parser_if },
+  { "endif", parser_endif },
+  { "else", parser_else },
+  { "include", parser_include },
+  { (char *)0x0, (_rl_parser_func_t *)0x0 }
+};
+
+/* Handle a parser directive.  STATEMENT is the line of the directive
+   without any leading `$'. */
+static int
+handle_parser_directive (statement)
+     char *statement;
+{
+  register int i;
+  char *directive, *args;
+
+  /* Isolate the actual directive. */
+
+  /* Skip whitespace. */
+  for (i = 0; whitespace (statement[i]); i++);
+
+  directive = &statement[i];
+
+  for (; statement[i] && !whitespace (statement[i]); i++);
+
+  if (statement[i])
+    statement[i++] = '\0';
+
+  for (; statement[i] && whitespace (statement[i]); i++);
+
+  args = &statement[i];
+
+  /* Lookup the command, and act on it. */
+  for (i = 0; parser_directives[i].name; i++)
+    if (_rl_stricmp (directive, parser_directives[i].name) == 0)
+      {
+	(*parser_directives[i].function) (args);
+	return (0);
+      }
+
+  /* display an error message about the unknown parser directive */
+  _rl_init_file_error ("unknown parser directive");
+  return (1);
+}
+
+/* Read the binding command from STRING and perform it.
+   A key binding command looks like: Keyname: function-name\0,
+   a variable binding command looks like: set variable value.
+   A new-style keybinding looks like "\C-x\C-x": exchange-point-and-mark. */
+int
+rl_parse_and_bind (string)
+     char *string;
+{
+  char *funname, *kname;
+  register int c, i;
+  int key, equivalency;
+
+  while (string && whitespace (*string))
+    string++;
+
+  if (!string || !*string || *string == '#')
+    return 0;
+
+  /* If this is a parser directive, act on it. */
+  if (*string == '$')
+    {
+      handle_parser_directive (&string[1]);
+      return 0;
+    }
+
+  /* If we aren't supposed to be parsing right now, then we're done. */
+  if (_rl_parsing_conditionalized_out)
+    return 0;
+
+  i = 0;
+  /* If this keyname is a complex key expression surrounded by quotes,
+     advance to after the matching close quote.  This code allows the
+     backslash to quote characters in the key expression. */
+  if (*string == '"')
+    {
+      int passc = 0;
+
+      for (i = 1; c = string[i]; i++)
+	{
+	  if (passc)
+	    {
+	      passc = 0;
+	      continue;
+	    }
+
+	  if (c == '\\')
+	    {
+	      passc++;
+	      continue;
+	    }
+
+	  if (c == '"')
+	    break;
+	}
+      /* If we didn't find a closing quote, abort the line. */
+      if (string[i] == '\0')
+        {
+          _rl_init_file_error ("no closing `\"' in key binding");
+          return 1;
+        }
+    }
+
+  /* Advance to the colon (:) or whitespace which separates the two objects. */
+  for (; (c = string[i]) && c != ':' && c != ' ' && c != '\t'; i++ );
+
+  equivalency = (c == ':' && string[i + 1] == '=');
+
+  /* Mark the end of the command (or keyname). */
+  if (string[i])
+    string[i++] = '\0';
+
+  /* If doing assignment, skip the '=' sign as well. */
+  if (equivalency)
+    string[i++] = '\0';
+
+  /* If this is a command to set a variable, then do that. */
+  if (_rl_stricmp (string, "set") == 0)
+    {
+      char *var = string + i;
+      char *value;
+
+      /* Make VAR point to start of variable name. */
+      while (*var && whitespace (*var)) var++;
+
+      /* Make VALUE point to start of value string. */
+      value = var;
+      while (*value && !whitespace (*value)) value++;
+      if (*value)
+	*value++ = '\0';
+      while (*value && whitespace (*value)) value++;
+
+      rl_variable_bind (var, value);
+      return 0;
+    }
+
+  /* Skip any whitespace between keyname and funname. */
+  for (; string[i] && whitespace (string[i]); i++);
+  funname = &string[i];
+
+  /* Now isolate funname.
+     For straight function names just look for whitespace, since
+     that will signify the end of the string.  But this could be a
+     macro definition.  In that case, the string is quoted, so skip
+     to the matching delimiter.  We allow the backslash to quote the
+     delimiter characters in the macro body. */
+  /* This code exists to allow whitespace in macro expansions, which
+     would otherwise be gobbled up by the next `for' loop.*/
+  /* XXX - it may be desirable to allow backslash quoting only if " is
+     the quoted string delimiter, like the shell. */
+  if (*funname == '\'' || *funname == '"')
+    {
+      int delimiter = string[i++], passc;
+
+      for (passc = 0; c = string[i]; i++)
+	{
+	  if (passc)
+	    {
+	      passc = 0;
+	      continue;
+	    }
+
+	  if (c == '\\')
+	    {
+	      passc = 1;
+	      continue;
+	    }
+
+	  if (c == delimiter)
+	    break;
+	}
+      if (c)
+	i++;
+    }
+
+  /* Advance to the end of the string.  */
+  for (; string[i] && !whitespace (string[i]); i++);
+
+  /* No extra whitespace at the end of the string. */
+  string[i] = '\0';
+
+  /* Handle equivalency bindings here.  Make the left-hand side be exactly
+     whatever the right-hand evaluates to, including keymaps. */
+  if (equivalency)
+    {
+      return 0;
+    }
+
+  /* If this is a new-style key-binding, then do the binding with
+     rl_set_key ().  Otherwise, let the older code deal with it. */
+  if (*string == '"')
+    {
+      char *seq;
+      register int j, k, passc;
+
+      seq = (char *)xmalloc (1 + strlen (string));
+      for (j = 1, k = passc = 0; string[j]; j++)
+	{
+	  /* Allow backslash to quote characters, but leave them in place.
+	     This allows a string to end with a backslash quoting another
+	     backslash, or with a backslash quoting a double quote.  The
+	     backslashes are left in place for rl_translate_keyseq (). */
+	  if (passc || (string[j] == '\\'))
+	    {
+	      seq[k++] = string[j];
+	      passc = !passc;
+	      continue;
+	    }
+
+	  if (string[j] == '"')
+	    break;
+
+	  seq[k++] = string[j];
+	}
+      seq[k] = '\0';
+
+      /* Binding macro? */
+      if (*funname == '\'' || *funname == '"')
+	{
+	  j = strlen (funname);
+
+	  /* Remove the delimiting quotes from each end of FUNNAME. */
+	  if (j && funname[j - 1] == *funname)
+	    funname[j - 1] = '\0';
+
+	  rl_macro_bind (seq, &funname[1], _rl_keymap);
+	}
+      else
+	rl_set_key (seq, rl_named_function (funname), _rl_keymap);
+
+      free (seq);
+      return 0;
+    }
+
+  /* Get the actual character we want to deal with. */
+  kname = strrchr (string, '-');
+  if (!kname)
+    kname = string;
+  else
+    kname++;
+
+  key = glean_key_from_name (kname);
+
+  /* Add in control and meta bits. */
+  if (substring_member_of_array (string, _rl_possible_control_prefixes))
+    key = CTRL (_rl_to_upper (key));
+
+  if (substring_member_of_array (string, _rl_possible_meta_prefixes))
+    key = META (key);
+
+  /* Temporary.  Handle old-style keyname with macro-binding. */
+  if (*funname == '\'' || *funname == '"')
+    {
+      char useq[2];
+      int fl = strlen (funname);
+
+      useq[0] = key; useq[1] = '\0';
+      if (fl && funname[fl - 1] == *funname)
+	funname[fl - 1] = '\0';
+
+      rl_macro_bind (useq, &funname[1], _rl_keymap);
+    }
+#if defined (PREFIX_META_HACK)
+  /* Ugly, but working hack to keep prefix-meta around. */
+  else if (_rl_stricmp (funname, "prefix-meta") == 0)
+    {
+      char seq[2];
+
+      seq[0] = key;
+      seq[1] = '\0';
+      rl_generic_bind (ISKMAP, seq, (char *)emacs_meta_keymap, _rl_keymap);
+    }
+#endif /* PREFIX_META_HACK */
+  else
+    rl_bind_key (key, rl_named_function (funname));
+  return 0;
+}
+
+/* Simple structure for boolean readline variables (i.e., those that can
+   have one of two values; either "On" or 1 for truth, or "Off" or 0 for
+   false. */
+
+#define V_SPECIAL	0x1
+
+static struct {
+  const char *name;
+  int *value;
+  int flags;
+} boolean_varlist [] = {
+  { "blink-matching-paren",	&rl_blink_matching_paren,	V_SPECIAL },
+  { "byte-oriented",		&rl_byte_oriented,		0 },
+  { "completion-ignore-case",	&_rl_completion_case_fold,	0 },
+  { "convert-meta",		&_rl_convert_meta_chars_to_ascii, 0 },
+  { "disable-completion",	&rl_inhibit_completion,		0 },
+  { "enable-keypad",		&_rl_enable_keypad,		0 },
+  { "expand-tilde",		&rl_complete_with_tilde_expansion, 0 },
+  { "history-preserve-point",	&_rl_history_preserve_point,	0 },
+  { "horizontal-scroll-mode",	&_rl_horizontal_scroll_mode,	0 },
+  { "input-meta",		&_rl_meta_flag,			0 },
+  { "mark-directories",		&_rl_complete_mark_directories,	0 },
+  { "mark-modified-lines",	&_rl_mark_modified_lines,	0 },
+  { "mark-symlinked-directories", &_rl_complete_mark_symlink_dirs, 0 },
+  { "match-hidden-files",	&_rl_match_hidden_files,	0 },
+  { "meta-flag",		&_rl_meta_flag,			0 },
+  { "output-meta",		&_rl_output_meta_chars,		0 },
+  { "page-completions",		&_rl_page_completions,		0 },
+  { "prefer-visible-bell",	&_rl_prefer_visible_bell,	V_SPECIAL },
+  { "print-completions-horizontally", &_rl_print_completions_horizontally, 0 },
+  { "show-all-if-ambiguous",	&_rl_complete_show_all,		0 },
+#if defined (VISIBLE_STATS)
+  { "visible-stats",		&rl_visible_stats,		0 },
+#endif /* VISIBLE_STATS */
+  { (char *)NULL, (int *)NULL }
+};
+
+static int
+find_boolean_var (name)
+     const char *name;
+{
+  register int i;
+
+  for (i = 0; boolean_varlist[i].name; i++)
+    if (_rl_stricmp (name, boolean_varlist[i].name) == 0)
+      return i;
+  return -1;
+}
+
+/* Hooks for handling special boolean variables, where a
+   function needs to be called or another variable needs
+   to be changed when they're changed. */
+static void
+hack_special_boolean_var (i)
+     int i;
+{
+  const char *name;
+
+  name = boolean_varlist[i].name;
+
+  if (_rl_stricmp (name, "blink-matching-paren") == 0)
+    _rl_enable_paren_matching (rl_blink_matching_paren);
+  else if (_rl_stricmp (name, "prefer-visible-bell") == 0)
+    {
+      if (_rl_prefer_visible_bell)
+	_rl_bell_preference = VISIBLE_BELL;
+      else
+	_rl_bell_preference = AUDIBLE_BELL;
+    }
+}
+
+typedef int _rl_sv_func_t PARAMS((const char *));
+
+/* These *must* correspond to the array indices for the appropriate
+   string variable.  (Though they're not used right now.) */
+#define V_BELLSTYLE	0
+#define V_COMBEGIN	1
+#define V_EDITMODE	2
+#define V_ISRCHTERM	3
+#define V_KEYMAP	4
+
+#define	V_STRING	1
+#define V_INT		2
+
+/* Forward declarations */
+static int sv_bell_style PARAMS((const char *));
+static int sv_combegin PARAMS((const char *));
+static int sv_compquery PARAMS((const char *));
+static int sv_editmode PARAMS((const char *));
+static int sv_isrchterm PARAMS((const char *));
+static int sv_keymap PARAMS((const char *));
+
+static struct {
+  const char *name;
+  int flags;
+  _rl_sv_func_t *set_func;
+} string_varlist[] = {
+  { "bell-style",	V_STRING,	sv_bell_style },
+  { "comment-begin",	V_STRING,	sv_combegin },
+  { "completion-query-items", V_INT,	sv_compquery },
+  { "editing-mode",	V_STRING,	sv_editmode },
+  { "isearch-terminators", V_STRING,	sv_isrchterm },
+  { "keymap",		V_STRING,	sv_keymap },
+  { (char *)NULL,	0 }
+};
+
+static int
+find_string_var (name)
+     const char *name;
+{
+  register int i;
+
+  for (i = 0; string_varlist[i].name; i++)
+    if (_rl_stricmp (name, string_varlist[i].name) == 0)
+      return i;
+  return -1;
+}
+
+/* A boolean value that can appear in a `set variable' command is true if
+   the value is null or empty, `on' (case-insenstive), or "1".  Any other
+   values result in 0 (false). */
+static int
+bool_to_int (value)
+     char *value;
+{
+  return (value == 0 || *value == '\0' ||
+		(_rl_stricmp (value, "on") == 0) ||
+		(value[0] == '1' && value[1] == '\0'));
+}
+
+int
+rl_variable_bind (name, value)
+     const char *name, *value;
+{
+  register int i;
+  int	v;
+
+  /* Check for simple variables first. */
+  i = find_boolean_var (name);
+  if (i >= 0)
+    {
+      *boolean_varlist[i].value = bool_to_int (value);
+      if (boolean_varlist[i].flags & V_SPECIAL)
+	hack_special_boolean_var (i);
+      return 0;
+    }
+
+  i = find_string_var (name);
+
+  /* For the time being, unknown variable names or string names without a
+     handler function are simply ignored. */
+  if (i < 0 || string_varlist[i].set_func == 0)
+    return 0;
+
+  v = (*string_varlist[i].set_func) (value);
+  return v;
+}
+
+static int
+sv_editmode (value)
+     const char *value;
+{
+  if (_rl_strnicmp (value, "vi", 2) == 0)
+    {
+#if defined (VI_MODE)
+      _rl_keymap = vi_insertion_keymap;
+      rl_editing_mode = vi_mode;
+#endif /* VI_MODE */
+      return 0;
+    }
+  else if (_rl_strnicmp (value, "emacs", 5) == 0)
+    {
+      _rl_keymap = emacs_standard_keymap;
+      rl_editing_mode = emacs_mode;
+      return 0;
+    }
+  return 1;
+}
+
+static int
+sv_combegin (value)
+     const char *value;
+{
+  if (value && *value)
+    {
+      FREE (_rl_comment_begin);
+      _rl_comment_begin = savestring (value);
+      return 0;
+    }
+  return 1;
+}
+
+static int
+sv_compquery (value)
+     const char *value;
+{
+  int nval = 100;
+
+  if (value && *value)
+    {
+      nval = atoi (value);
+      if (nval < 0)
+	nval = 0;
+    }
+  rl_completion_query_items = nval;
+  return 0;
+}
+
+static int
+sv_keymap (value)
+     const char *value;
+{
+  Keymap kmap;
+
+  kmap = rl_get_keymap_by_name (value);
+  if (kmap)
+    {
+      rl_set_keymap (kmap);
+      return 0;
+    }
+  return 1;
+}
+
+static int
+sv_bell_style (value)
+     const char *value;
+{
+  if (value == 0 || *value == '\0')
+    _rl_bell_preference = AUDIBLE_BELL;
+  else if (_rl_stricmp (value, "none") == 0 || _rl_stricmp (value, "off") == 0)
+    _rl_bell_preference = NO_BELL;
+  else if (_rl_stricmp (value, "audible") == 0 || _rl_stricmp (value, "on") == 0)
+    _rl_bell_preference = AUDIBLE_BELL;
+  else if (_rl_stricmp (value, "visible") == 0)
+    _rl_bell_preference = VISIBLE_BELL;
+  else
+    return 1;
+  return 0;
+}
+
+static int
+sv_isrchterm (value)
+     const char *value;
+{
+  int beg, end, delim;
+  char *v;
+
+  if (value == 0)
+    return 1;
+
+  /* Isolate the value and translate it into a character string. */
+  v = savestring (value);
+  FREE (_rl_isearch_terminators);
+  if (v[0] == '"' || v[0] == '\'')
+    {
+      delim = v[0];
+      for (beg = end = 1; v[end] && v[end] != delim; end++)
+	;
+    }
+  else
+    {
+      for (beg = end = 0; whitespace (v[end]) == 0; end++)
+	;
+    }
+
+  v[end] = '\0';
+
+  /* The value starts at v + beg.  Translate it into a character string. */
+  _rl_isearch_terminators = (char *)xmalloc (2 * strlen (v) + 1);
+  rl_translate_keyseq (v + beg, _rl_isearch_terminators, &end);
+  _rl_isearch_terminators[end] = '\0';
+
+  free (v);
+  return 0;
+}
+      
+/* Return the character which matches NAME.
+   For example, `Space' returns ' '. */
+
+typedef struct {
+  const char *name;
+  int value;
+} assoc_list;
+
+static assoc_list name_key_alist[] = {
+  { "DEL", 0x7f },
+  { "ESC", '\033' },
+  { "Escape", '\033' },
+  { "LFD", '\n' },
+  { "Newline", '\n' },
+  { "RET", '\r' },
+  { "Return", '\r' },
+  { "Rubout", 0x7f },
+  { "SPC", ' ' },
+  { "Space", ' ' },
+  { "Tab", 0x09 },
+  { (char *)0x0, 0 }
+};
+
+static int
+glean_key_from_name (name)
+     char *name;
+{
+  register int i;
+
+  for (i = 0; name_key_alist[i].name; i++)
+    if (_rl_stricmp (name, name_key_alist[i].name) == 0)
+      return (name_key_alist[i].value);
+
+  return (*(unsigned char *)name);	/* XXX was return (*name) */
+}
+
+/* Auxiliary functions to manage keymaps. */
+static struct {
+  const char *name;
+  Keymap map;
+} keymap_names[] = {
+  { "emacs", emacs_standard_keymap },
+  { "emacs-standard", emacs_standard_keymap },
+  { "emacs-meta", emacs_meta_keymap },
+  { "emacs-ctlx", emacs_ctlx_keymap },
+#if defined (VI_MODE)
+  { "vi", vi_movement_keymap },
+  { "vi-move", vi_movement_keymap },
+  { "vi-command", vi_movement_keymap },
+  { "vi-insert", vi_insertion_keymap },
+#endif /* VI_MODE */
+  { (char *)0x0, (Keymap)0x0 }
+};
+
+Keymap
+rl_get_keymap_by_name (name)
+     const char *name;
+{
+  register int i;
+
+  for (i = 0; keymap_names[i].name; i++)
+    if (_rl_stricmp (name, keymap_names[i].name) == 0)
+      return (keymap_names[i].map);
+  return ((Keymap) NULL);
+}
+
+char *
+rl_get_keymap_name (map)
+     Keymap map;
+{
+  register int i;
+  for (i = 0; keymap_names[i].name; i++)
+    if (map == keymap_names[i].map)
+      return ((char *)keymap_names[i].name);
+  return ((char *)NULL);
+}
+  
+void
+rl_set_keymap (map)
+     Keymap map;
+{
+  if (map)
+    _rl_keymap = map;
+}
+
+Keymap
+rl_get_keymap ()
+{
+  return (_rl_keymap);
+}
+
+void
+rl_set_keymap_from_edit_mode ()
+{
+  if (rl_editing_mode == emacs_mode)
+    _rl_keymap = emacs_standard_keymap;
+#if defined (VI_MODE)
+  else if (rl_editing_mode == vi_mode)
+    _rl_keymap = vi_insertion_keymap;
+#endif /* VI_MODE */
+}
+
+char *
+rl_get_keymap_name_from_edit_mode ()
+{
+  if (rl_editing_mode == emacs_mode)
+    return "emacs";
+#if defined (VI_MODE)
+  else if (rl_editing_mode == vi_mode)
+    return "vi";
+#endif /* VI_MODE */
+  else
+    return "none";
+}
+
+/* **************************************************************** */
+/*								    */
+/*		  Key Binding and Function Information		    */
+/*								    */
+/* **************************************************************** */
+
+/* Each of the following functions produces information about the
+   state of keybindings and functions known to Readline.  The info
+   is always printed to rl_outstream, and in such a way that it can
+   be read back in (i.e., passed to rl_parse_and_bind (). */
+
+/* Print the names of functions known to Readline. */
+void
+rl_list_funmap_names ()
+{
+  register int i;
+  const char **funmap_names;
+
+  funmap_names = rl_funmap_names ();
+
+  if (!funmap_names)
+    return;
+
+  for (i = 0; funmap_names[i]; i++)
+    fprintf (rl_outstream, "%s\n", funmap_names[i]);
+
+  free (funmap_names);
+}
+
+static char *
+_rl_get_keyname (key)
+     int key;
+{
+  char *keyname;
+  int i, c;
+
+  keyname = (char *)xmalloc (8);
+
+  c = key;
+  /* Since this is going to be used to write out keysequence-function
+     pairs for possible inclusion in an inputrc file, we don't want to
+     do any special meta processing on KEY. */
+
+#if 1
+  /* XXX - Experimental */
+  /* We might want to do this, but the old version of the code did not. */
+
+  /* If this is an escape character, we don't want to do any more processing.
+     Just add the special ESC key sequence and return. */
+  if (c == ESC)
+    {
+      keyname[0] = '\\';
+      keyname[1] = 'e';
+      keyname[2] = '\0';
+      return keyname;
+    }
+#endif
+
+  /* RUBOUT is translated directly into \C-? */
+  if (key == RUBOUT)
+    {
+      keyname[0] = '\\';
+      keyname[1] = 'C';
+      keyname[2] = '-';
+      keyname[3] = '?';
+      keyname[4] = '\0';
+      return keyname;
+    }
+
+  i = 0;
+  /* Now add special prefixes needed for control characters.  This can
+     potentially change C. */
+  if (CTRL_CHAR (c))
+    {
+      keyname[i++] = '\\';
+      keyname[i++] = 'C';
+      keyname[i++] = '-';
+      c = _rl_to_lower (UNCTRL (c));
+    }
+
+  /* XXX experimental code.  Turn the characters that are not ASCII or
+     ISO Latin 1 (128 - 159) into octal escape sequences (\200 - \237).
+     This changes C. */
+  if (c >= 128 && c <= 159)
+    {
+      keyname[i++] = '\\';
+      keyname[i++] = '2';
+      c -= 128;
+      keyname[i++] = (c / 8) + '0';
+      c = (c % 8) + '0';
+    }
+
+  /* Now, if the character needs to be quoted with a backslash, do that. */
+  if (c == '\\' || c == '"')
+    keyname[i++] = '\\';
+
+  /* Now add the key, terminate the string, and return it. */
+  keyname[i++] = (char) c;
+  keyname[i] = '\0';
+
+  return keyname;
+}
+
+/* Return a NULL terminated array of strings which represent the key
+   sequences that are used to invoke FUNCTION in MAP. */
+char **
+rl_invoking_keyseqs_in_map (function, map)
+     rl_command_func_t *function;
+     Keymap map;
+{
+  register int key;
+  char **result;
+  int result_index, result_size;
+
+  result = (char **)NULL;
+  result_index = result_size = 0;
+
+  for (key = 0; key < KEYMAP_SIZE; key++)
+    {
+      switch (map[key].type)
+	{
+	case ISMACR:
+	  /* Macros match, if, and only if, the pointers are identical.
+	     Thus, they are treated exactly like functions in here. */
+	case ISFUNC:
+	  /* If the function in the keymap is the one we are looking for,
+	     then add the current KEY to the list of invoking keys. */
+	  if (map[key].function == function)
+	    {
+	      char *keyname;
+
+	      keyname = _rl_get_keyname (key);
+
+	      if (result_index + 2 > result_size)
+	        {
+	          result_size += 10;
+		  result = (char **)xrealloc (result, result_size * sizeof (char *));
+	        }
+
+	      result[result_index++] = keyname;
+	      result[result_index] = (char *)NULL;
+	    }
+	  break;
+
+	case ISKMAP:
+	  {
+	    char **seqs;
+	    register int i;
+
+	    /* Find the list of keyseqs in this map which have FUNCTION as
+	       their target.  Add the key sequences found to RESULT. */
+	    if (map[key].function)
+	      seqs =
+	        rl_invoking_keyseqs_in_map (function, FUNCTION_TO_KEYMAP (map, key));
+	    else
+	      break;
+
+	    if (seqs == 0)
+	      break;
+
+	    for (i = 0; seqs[i]; i++)
+	      {
+		char *keyname = (char *)xmalloc (6 + strlen (seqs[i]));
+
+		if (key == ESC)
+#if 0
+		  sprintf (keyname, "\\e");
+#else
+		/* XXX - experimental */
+		  sprintf (keyname, "\\M-");
+#endif
+		else if (CTRL_CHAR (key))
+		  sprintf (keyname, "\\C-%c", _rl_to_lower (UNCTRL (key)));
+		else if (key == RUBOUT)
+		  sprintf (keyname, "\\C-?");
+		else if (key == '\\' || key == '"')
+		  {
+		    keyname[0] = '\\';
+		    keyname[1] = (char) key;
+		    keyname[2] = '\0';
+		  }
+		else
+		  {
+		    keyname[0] = (char) key;
+		    keyname[1] = '\0';
+		  }
+		
+		strcat (keyname, seqs[i]);
+		free (seqs[i]);
+
+		if (result_index + 2 > result_size)
+		  {
+		    result_size += 10;
+		    result = (char **)xrealloc (result, result_size * sizeof (char *));
+		  }
+
+		result[result_index++] = keyname;
+		result[result_index] = (char *)NULL;
+	      }
+
+	    free (seqs);
+	  }
+	  break;
+	}
+    }
+  return (result);
+}
+
+/* Return a NULL terminated array of strings which represent the key
+   sequences that can be used to invoke FUNCTION using the current keymap. */
+char **
+rl_invoking_keyseqs (function)
+     rl_command_func_t *function;
+{
+  return (rl_invoking_keyseqs_in_map (function, _rl_keymap));
+}
+
+/* Print all of the functions and their bindings to rl_outstream.  If
+   PRINT_READABLY is non-zero, then print the output in such a way
+   that it can be read back in. */
+void
+rl_function_dumper (print_readably)
+     int print_readably;
+{
+  register int i;
+  const char **names;
+  const char *name;
+
+  names = rl_funmap_names ();
+
+  fprintf (rl_outstream, "\n");
+
+  for (i = 0; name = names[i]; i++)
+    {
+      rl_command_func_t *function;
+      char **invokers;
+
+      function = rl_named_function (name);
+      invokers = rl_invoking_keyseqs_in_map (function, _rl_keymap);
+
+      if (print_readably)
+	{
+	  if (!invokers)
+	    fprintf (rl_outstream, "# %s (not bound)\n", name);
+	  else
+	    {
+	      register int j;
+
+	      for (j = 0; invokers[j]; j++)
+		{
+		  fprintf (rl_outstream, "\"%s\": %s\n",
+			   invokers[j], name);
+		  free (invokers[j]);
+		}
+
+	      free (invokers);
+	    }
+	}
+      else
+	{
+	  if (!invokers)
+	    fprintf (rl_outstream, "%s is not bound to any keys\n",
+		     name);
+	  else
+	    {
+	      register int j;
+
+	      fprintf (rl_outstream, "%s can be found on ", name);
+
+	      for (j = 0; invokers[j] && j < 5; j++)
+		{
+		  fprintf (rl_outstream, "\"%s\"%s", invokers[j],
+			   invokers[j + 1] ? ", " : ".\n");
+		}
+
+	      if (j == 5 && invokers[j])
+		fprintf (rl_outstream, "...\n");
+
+	      for (j = 0; invokers[j]; j++)
+		free (invokers[j]);
+
+	      free (invokers);
+	    }
+	}
+    }
+}
+
+/* Print all of the current functions and their bindings to
+   rl_outstream.  If an explicit argument is given, then print
+   the output in such a way that it can be read back in. */
+int
+rl_dump_functions (count, key)
+     int count, key;
+{
+  if (rl_dispatching)
+    fprintf (rl_outstream, "\r\n");
+  rl_function_dumper (rl_explicit_arg);
+  rl_on_new_line ();
+  return (0);
+}
+
+static void
+_rl_macro_dumper_internal (print_readably, map, prefix)
+     int print_readably;
+     Keymap map;
+     char *prefix;
+{
+  register int key;
+  char *keyname, *out;
+  int prefix_len;
+
+  for (key = 0; key < KEYMAP_SIZE; key++)
+    {
+      switch (map[key].type)
+	{
+	case ISMACR:
+	  keyname = _rl_get_keyname (key);
+	  out = _rl_untranslate_macro_value ((char *)map[key].function);
+
+	  if (print_readably)
+	    fprintf (rl_outstream, "\"%s%s\": \"%s\"\n", prefix ? prefix : "",
+						         keyname,
+						         out ? out : "");
+	  else
+	    fprintf (rl_outstream, "%s%s outputs %s\n", prefix ? prefix : "",
+							keyname,
+							out ? out : "");
+	  free (keyname);
+	  free (out);
+	  break;
+	case ISFUNC:
+	  break;
+	case ISKMAP:
+	  prefix_len = prefix ? strlen (prefix) : 0;
+	  if (key == ESC)
+	    {
+	      keyname = (char *)xmalloc (3 + prefix_len);
+	      if (prefix)
+		strcpy (keyname, prefix);
+	      keyname[prefix_len] = '\\';
+	      keyname[prefix_len + 1] = 'e';
+	      keyname[prefix_len + 2] = '\0';
+	    }
+	  else
+	    {
+	      keyname = _rl_get_keyname (key);
+	      if (prefix)
+		{
+		  out = (char *)xmalloc (strlen (keyname) + prefix_len + 1);
+		  strcpy (out, prefix);
+		  strcpy (out + prefix_len, keyname);
+		  free (keyname);
+		  keyname = out;
+		}
+	    }
+
+	  _rl_macro_dumper_internal (print_readably, FUNCTION_TO_KEYMAP (map, key), keyname);
+	  free (keyname);
+	  break;
+	}
+    }
+}
+
+void
+rl_macro_dumper (print_readably)
+     int print_readably;
+{
+  _rl_macro_dumper_internal (print_readably, _rl_keymap, (char *)NULL);
+}
+
+int
+rl_dump_macros (count, key)
+     int count, key;
+{
+  if (rl_dispatching)
+    fprintf (rl_outstream, "\r\n");
+  rl_macro_dumper (rl_explicit_arg);
+  rl_on_new_line ();
+  return (0);
+}
+
+void
+rl_variable_dumper (print_readably)
+     int print_readably;
+{
+  int i;
+  const char *kname;
+
+  for (i = 0; boolean_varlist[i].name; i++)
+    {
+      if (print_readably)
+        fprintf (rl_outstream, "set %s %s\n", boolean_varlist[i].name,
+			       *boolean_varlist[i].value ? "on" : "off");
+      else
+        fprintf (rl_outstream, "%s is set to `%s'\n", boolean_varlist[i].name,
+			       *boolean_varlist[i].value ? "on" : "off");
+    }
+
+  /* bell-style */
+  switch (_rl_bell_preference)
+    {
+    case NO_BELL:
+      kname = "none"; break;
+    case VISIBLE_BELL:
+      kname = "visible"; break;
+    case AUDIBLE_BELL:
+    default:
+      kname = "audible"; break;
+    }
+  if (print_readably)
+    fprintf (rl_outstream, "set bell-style %s\n", kname);
+  else
+    fprintf (rl_outstream, "bell-style is set to `%s'\n", kname);
+
+  /* comment-begin */
+  if (print_readably)
+    fprintf (rl_outstream, "set comment-begin %s\n", _rl_comment_begin ? _rl_comment_begin : RL_COMMENT_BEGIN_DEFAULT);
+  else
+    fprintf (rl_outstream, "comment-begin is set to `%s'\n", _rl_comment_begin ? _rl_comment_begin : RL_COMMENT_BEGIN_DEFAULT);
+
+  /* completion-query-items */
+  if (print_readably)
+    fprintf (rl_outstream, "set completion-query-items %d\n", rl_completion_query_items);
+  else
+    fprintf (rl_outstream, "completion-query-items is set to `%d'\n", rl_completion_query_items);
+
+  /* editing-mode */
+  if (print_readably)
+    fprintf (rl_outstream, "set editing-mode %s\n", (rl_editing_mode == emacs_mode) ? "emacs" : "vi");
+  else
+    fprintf (rl_outstream, "editing-mode is set to `%s'\n", (rl_editing_mode == emacs_mode) ? "emacs" : "vi");
+
+  /* isearch-terminators */
+  if (_rl_isearch_terminators)
+    {
+      char *disp;
+
+      disp = _rl_untranslate_macro_value (_rl_isearch_terminators);
+
+      if (print_readably)
+	fprintf (rl_outstream, "set isearch-terminators \"%s\"\n", disp);
+      else
+	fprintf (rl_outstream, "isearch-terminators is set to \"%s\"\n", disp);
+
+      free (disp);
+    }
+
+  /* keymap */
+  kname = rl_get_keymap_name (_rl_keymap);
+  if (kname == 0)
+    kname = rl_get_keymap_name_from_edit_mode ();
+  if (print_readably)
+    fprintf (rl_outstream, "set keymap %s\n", kname ? kname : "none");
+  else
+    fprintf (rl_outstream, "keymap is set to `%s'\n", kname ? kname : "none");
+}
+
+/* Print all of the current variables and their values to
+   rl_outstream.  If an explicit argument is given, then print
+   the output in such a way that it can be read back in. */
+int
+rl_dump_variables (count, key)
+     int count, key;
+{
+  if (rl_dispatching)
+    fprintf (rl_outstream, "\r\n");
+  rl_variable_dumper (rl_explicit_arg);
+  rl_on_new_line ();
+  return (0);
+}
+
+/* Bind key sequence KEYSEQ to DEFAULT_FUNC if KEYSEQ is unbound.  Right
+   now, this is always used to attempt to bind the arrow keys, hence the
+   check for rl_vi_movement_mode. */
+void
+_rl_bind_if_unbound (keyseq, default_func)
+     const char *keyseq;
+     rl_command_func_t *default_func;
+{
+  rl_command_func_t *func;
+
+  if (keyseq)
+    {
+      func = rl_function_of_keyseq (keyseq, _rl_keymap, (int *)NULL);
+#if defined (VI_MODE)
+      if (!func || func == rl_do_lowercase_version || func == rl_vi_movement_mode)
+#else
+      if (!func || func == rl_do_lowercase_version)
+#endif
+	rl_set_key (keyseq, default_func, _rl_keymap);
+    }
+}
+
+/* Return non-zero if any members of ARRAY are a substring in STRING. */
+static int
+substring_member_of_array (string, array)
+     char *string;
+     const char **array;
+{
+  while (*array)
+    {
+      if (_rl_strindex (string, *array))
+	return (1);
+      array++;
+    }
+  return (0);
+}
diff --git a/readline-4.3.orig/callback.c b/readline-4.3.orig/callback.c
new file mode 100644
index 0000000..a8f4323
--- /dev/null
+++ b/readline-4.3.orig/callback.c
@@ -0,0 +1,156 @@
+/* callback.c -- functions to use readline as an X `callback' mechanism. */
+
+/* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc.
+
+   This file is part of the GNU Readline Library, a library for
+   reading lines of text with interactive input and history editing.
+
+   The GNU Readline Library is free software; you can redistribute it
+   and/or modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2, or
+   (at your option) any later version.
+
+   The GNU Readline Library is distributed in the hope that it will be
+   useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   The GNU General Public License is often shipped with GNU software, and
+   is generally kept in a file called COPYING or LICENSE.  If you do not
+   have a copy of the license, write to the Free Software Foundation,
+   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+#define READLINE_LIBRARY
+
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
+
+#include "rlconf.h"
+
+#if defined (READLINE_CALLBACKS)
+
+#include <sys/types.h>
+
+#ifdef HAVE_STDLIB_H
+#  include <stdlib.h>
+#else
+#  include "ansi_stdlib.h"
+#endif
+
+#include <stdio.h>
+
+/* System-specific feature definitions and include files. */
+#include "rldefs.h"
+#include "readline.h"
+#include "rlprivate.h"
+
+/* **************************************************************** */
+/*								    */
+/*			Callback Readline Functions                 */
+/*								    */
+/* **************************************************************** */
+
+/* Allow using readline in situations where a program may have multiple
+   things to handle at once, and dispatches them via select().  Call
+   rl_callback_handler_install() with the prompt and a function to call
+   whenever a complete line of input is ready.  The user must then
+   call rl_callback_read_char() every time some input is available, and 
+   rl_callback_read_char() will call the user's function with the complete
+   text read in at each end of line.  The terminal is kept prepped and
+   signals handled all the time, except during calls to the user's function. */
+
+rl_vcpfunc_t *rl_linefunc;		/* user callback function */
+static int in_handler;		/* terminal_prepped and signals set? */
+
+/* Make sure the terminal is set up, initialize readline, and prompt. */
+static void
+_rl_callback_newline ()
+{
+  rl_initialize ();
+
+  if (in_handler == 0)
+    {
+      in_handler = 1;
+
+      (*rl_prep_term_function) (_rl_meta_flag);
+
+#if defined (HANDLE_SIGNALS)
+      rl_set_signals ();
+#endif
+    }
+
+  readline_internal_setup ();
+}
+
+/* Install a readline handler, set up the terminal, and issue the prompt. */
+void
+rl_callback_handler_install (prompt, linefunc)
+     const char *prompt;
+     rl_vcpfunc_t *linefunc;
+{
+  rl_set_prompt (prompt);
+  rl_linefunc = linefunc;
+  _rl_callback_newline ();
+}
+
+/* Read one character, and dispatch to the handler if it ends the line. */
+void
+rl_callback_read_char ()
+{
+  char *line;
+  int eof;
+
+  if (rl_linefunc == NULL)
+    {
+      fprintf (stderr, "readline: readline_callback_read_char() called with no handler!\r\n");
+      abort ();
+    }
+
+  eof = readline_internal_char ();
+
+  /* We loop in case some function has pushed input back with rl_execute_next. */
+  for (;;)
+    {
+      if (rl_done)
+	{
+	  line = readline_internal_teardown (eof);
+
+	  (*rl_deprep_term_function) ();
+#if defined (HANDLE_SIGNALS)
+	  rl_clear_signals ();
+#endif
+	  in_handler = 0;
+	  (*rl_linefunc) (line);
+
+	  /* If the user did not clear out the line, do it for him. */
+	  if (rl_line_buffer[0])
+	    _rl_init_line_state ();
+
+	  /* Redisplay the prompt if readline_handler_{install,remove}
+	     not called. */
+	  if (in_handler == 0 && rl_linefunc)
+	    _rl_callback_newline ();
+	}
+      if (rl_pending_input)
+	eof = readline_internal_char ();
+      else
+        break;
+    }
+}
+
+/* Remove the handler, and make sure the terminal is in its normal state. */
+void
+rl_callback_handler_remove ()
+{
+  rl_linefunc = NULL;
+  if (in_handler)
+    {
+      in_handler = 0;
+      (*rl_deprep_term_function) ();
+#if defined (HANDLE_SIGNALS)
+      rl_clear_signals ();
+#endif
+    }
+}
+
+#endif
diff --git a/readline-4.3.orig/compat.c b/readline-4.3.orig/compat.c
new file mode 100644
index 0000000..a66d210
--- /dev/null
+++ b/readline-4.3.orig/compat.c
@@ -0,0 +1,113 @@
+/* compat.c -- backwards compatibility functions. */
+
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+
+   This file is part of the GNU Readline Library, a library for
+   reading lines of text with interactive input and history editing.
+
+   The GNU Readline Library is free software; you can redistribute it
+   and/or modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2, or
+   (at your option) any later version.
+
+   The GNU Readline Library is distributed in the hope that it will be
+   useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   The GNU General Public License is often shipped with GNU software, and
+   is generally kept in a file called COPYING or LICENSE.  If you do not
+   have a copy of the license, write to the Free Software Foundation,
+   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+#define READLINE_LIBRARY
+
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
+
+#include <stdio.h>
+
+#include "rlstdc.h"
+#include "rltypedefs.h"
+
+extern void rl_free_undo_list PARAMS((void));
+extern int rl_maybe_save_line PARAMS((void));
+extern int rl_maybe_unsave_line PARAMS((void));
+extern int rl_maybe_replace_line PARAMS((void));
+
+extern int rl_crlf PARAMS((void));
+extern int rl_ding PARAMS((void));
+extern int rl_alphabetic PARAMS((int));
+
+extern char **rl_completion_matches PARAMS((const char *, rl_compentry_func_t *));
+extern char *rl_username_completion_function PARAMS((const char *, int));
+extern char *rl_filename_completion_function PARAMS((const char *, int));
+
+/* Provide backwards-compatible entry points for old function names. */
+
+void
+free_undo_list ()
+{
+  rl_free_undo_list ();
+}
+
+int
+maybe_replace_line ()
+{
+  return rl_maybe_replace_line ();
+}
+
+int
+maybe_save_line ()
+{
+  return rl_maybe_save_line ();
+}
+
+int
+maybe_unsave_line ()
+{
+  return rl_maybe_unsave_line ();
+}
+
+int
+ding ()
+{
+  return rl_ding ();
+}
+
+int
+crlf ()
+{
+  return rl_crlf ();
+}
+
+int
+alphabetic (c)
+     int c;
+{
+  return rl_alphabetic (c);
+}
+
+char **
+completion_matches (s, f)
+     const char *s;
+     rl_compentry_func_t *f;
+{
+  return rl_completion_matches (s, f);
+}
+
+char *
+username_completion_function (s, i)
+     const char *s;
+     int i;
+{
+  return rl_username_completion_function (s, i);
+}
+
+char *
+filename_completion_function (s, i)
+     const char *s;
+     int i;
+{
+  return rl_filename_completion_function (s, i);
+}
diff --git a/readline-4.3.orig/complete.c b/readline-4.3.orig/complete.c
new file mode 100644
index 0000000..21a9d70
--- /dev/null
+++ b/readline-4.3.orig/complete.c
@@ -0,0 +1,2004 @@
+/* complete.c -- filename completion for readline. */
+
+/* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc.
+
+   This file is part of the GNU Readline Library, a library for
+   reading lines of text with interactive input and history editing.
+
+   The GNU Readline Library is free software; you can redistribute it
+   and/or modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2, or
+   (at your option) any later version.
+
+   The GNU Readline Library is distributed in the hope that it will be
+   useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   The GNU General Public License is often shipped with GNU software, and
+   is generally kept in a file called COPYING or LICENSE.  If you do not
+   have a copy of the license, write to the Free Software Foundation,
+   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+#define READLINE_LIBRARY
+
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
+
+#include <sys/types.h>
+#include <fcntl.h>
+#if defined (HAVE_SYS_FILE_H)
+#include <sys/file.h>
+#endif
+
+#if defined (HAVE_UNISTD_H)
+#  include <unistd.h>
+#endif /* HAVE_UNISTD_H */
+
+#if defined (HAVE_STDLIB_H)
+#  include <stdlib.h>
+#else
+#  include "ansi_stdlib.h"
+#endif /* HAVE_STDLIB_H */
+
+#include <stdio.h>
+
+#include <errno.h>
+#if !defined (errno)
+extern int errno;
+#endif /* !errno */
+
+#include <pwd.h>
+
+#include "posixdir.h"
+#include "posixstat.h"
+
+/* System-specific feature definitions and include files. */
+#include "rldefs.h"
+#include "rlmbutil.h"
+
+/* Some standard library routines. */
+#include "readline.h"
+#include "xmalloc.h"
+#include "rlprivate.h"
+
+#ifdef __STDC__
+typedef int QSFUNC (const void *, const void *);
+#else
+typedef int QSFUNC ();
+#endif
+
+#ifdef HAVE_LSTAT
+#  define LSTAT lstat
+#else
+#  define LSTAT stat
+#endif
+
+/* Unix version of a hidden file.  Could be different on other systems. */
+#define HIDDEN_FILE(fname)	((fname)[0] == '.')
+
+/* Most systems don't declare getpwent in <pwd.h> if _POSIX_SOURCE is
+   defined. */
+#if !defined (HAVE_GETPW_DECLS) || defined (_POSIX_SOURCE)
+extern struct passwd *getpwent PARAMS((void));
+#endif /* !HAVE_GETPW_DECLS || _POSIX_SOURCE */
+
+/* If non-zero, then this is the address of a function to call when
+   completing a word would normally display the list of possible matches.
+   This function is called instead of actually doing the display.
+   It takes three arguments: (char **matches, int num_matches, int max_length)
+   where MATCHES is the array of strings that matched, NUM_MATCHES is the
+   number of strings in that array, and MAX_LENGTH is the length of the
+   longest string in that array. */
+rl_compdisp_func_t *rl_completion_display_matches_hook = (rl_compdisp_func_t *)NULL;
+
+#if defined (VISIBLE_STATS)
+#  if !defined (X_OK)
+#    define X_OK 1
+#  endif
+static int stat_char PARAMS((char *));
+#endif
+
+static char *rl_quote_filename PARAMS((char *, int, char *));
+
+static void set_completion_defaults PARAMS((int));
+static int get_y_or_n PARAMS((int));
+static int _rl_internal_pager PARAMS((int));
+static char *printable_part PARAMS((char *));
+static int print_filename PARAMS((char *, char *));
+
+static char **gen_completion_matches PARAMS((char *, int, int, rl_compentry_func_t *, int, int));
+
+static char **remove_duplicate_matches PARAMS((char **));
+static void insert_match PARAMS((char *, int, int, char *));
+static int append_to_match PARAMS((char *, int, int, int));
+static void insert_all_matches PARAMS((char **, int, char *));
+static void display_matches PARAMS((char **));
+static int compute_lcd_of_matches PARAMS((char **, int, const char *));
+static int postprocess_matches PARAMS((char ***, int));
+
+static char *make_quoted_replacement PARAMS((char *, int, char *));
+
+/* **************************************************************** */
+/*								    */
+/*	Completion matching, from readline's point of view.	    */
+/*								    */
+/* **************************************************************** */
+
+/* Variables known only to the readline library. */
+
+/* If non-zero, non-unique completions always show the list of matches. */
+int _rl_complete_show_all = 0;
+
+/* If non-zero, completed directory names have a slash appended. */
+int _rl_complete_mark_directories = 1;
+
+/* If non-zero, the symlinked directory completion behavior introduced in
+   readline-4.2a is disabled, and symlinks that point to directories have
+   a slash appended (subject to the value of _rl_complete_mark_directories).
+   This is user-settable via the mark-symlinked-directories variable. */
+int _rl_complete_mark_symlink_dirs = 0;
+
+/* If non-zero, completions are printed horizontally in alphabetical order,
+   like `ls -x'. */
+int _rl_print_completions_horizontally;
+
+/* Non-zero means that case is not significant in filename completion. */
+#if defined (__MSDOS__) && !defined (__DJGPP__)
+int _rl_completion_case_fold = 1;
+#else
+int _rl_completion_case_fold;
+#endif
+
+/* If non-zero, don't match hidden files (filenames beginning with a `.' on
+   Unix) when doing filename completion. */
+int _rl_match_hidden_files = 1;
+
+/* Global variables available to applications using readline. */
+
+#if defined (VISIBLE_STATS)
+/* Non-zero means add an additional character to each filename displayed
+   during listing completion iff rl_filename_completion_desired which helps
+   to indicate the type of file being listed. */
+int rl_visible_stats = 0;
+#endif /* VISIBLE_STATS */
+
+/* If non-zero, then this is the address of a function to call when
+   completing on a directory name.  The function is called with
+   the address of a string (the current directory name) as an arg. */
+rl_icppfunc_t *rl_directory_completion_hook = (rl_icppfunc_t *)NULL;
+
+rl_icppfunc_t *rl_directory_rewrite_hook = (rl_icppfunc_t *)NULL;
+
+/* Non-zero means readline completion functions perform tilde expansion. */
+int rl_complete_with_tilde_expansion = 0;
+
+/* Pointer to the generator function for completion_matches ().
+   NULL means to use rl_filename_completion_function (), the default filename
+   completer. */
+rl_compentry_func_t *rl_completion_entry_function = (rl_compentry_func_t *)NULL;
+
+/* Pointer to alternative function to create matches.
+   Function is called with TEXT, START, and END.
+   START and END are indices in RL_LINE_BUFFER saying what the boundaries
+   of TEXT are.
+   If this function exists and returns NULL then call the value of
+   rl_completion_entry_function to try to match, otherwise use the
+   array of strings returned. */
+rl_completion_func_t *rl_attempted_completion_function = (rl_completion_func_t *)NULL;
+
+/* Non-zero means to suppress normal filename completion after the
+   user-specified completion function has been called. */
+int rl_attempted_completion_over = 0;
+
+/* Set to a character indicating the type of completion being performed
+   by rl_complete_internal, available for use by application completion
+   functions. */
+int rl_completion_type = 0;
+
+/* Up to this many items will be displayed in response to a
+   possible-completions call.  After that, we ask the user if
+   she is sure she wants to see them all. */
+int rl_completion_query_items = 100;
+
+int _rl_page_completions = 1;
+
+/* The basic list of characters that signal a break between words for the
+   completer routine.  The contents of this variable is what breaks words
+   in the shell, i.e. " \t\n\"\\'`@$><=" */
+const char *rl_basic_word_break_characters = " \t\n\"\\'`@$><=;|&{("; /* }) */
+
+/* List of basic quoting characters. */
+const char *rl_basic_quote_characters = "\"'";
+
+/* The list of characters that signal a break between words for
+   rl_complete_internal.  The default list is the contents of
+   rl_basic_word_break_characters.  */
+const char *rl_completer_word_break_characters = (const char *)NULL;
+
+/* List of characters which can be used to quote a substring of the line.
+   Completion occurs on the entire substring, and within the substring
+   rl_completer_word_break_characters are treated as any other character,
+   unless they also appear within this list. */
+const char *rl_completer_quote_characters = (const char *)NULL;
+
+/* List of characters that should be quoted in filenames by the completer. */
+const char *rl_filename_quote_characters = (const char *)NULL;
+
+/* List of characters that are word break characters, but should be left
+   in TEXT when it is passed to the completion function.  The shell uses
+   this to help determine what kind of completing to do. */
+const char *rl_special_prefixes = (const char *)NULL;
+
+/* If non-zero, then disallow duplicates in the matches. */
+int rl_ignore_completion_duplicates = 1;
+
+/* Non-zero means that the results of the matches are to be treated
+   as filenames.  This is ALWAYS zero on entry, and can only be changed
+   within a completion entry finder function. */
+int rl_filename_completion_desired = 0;
+
+/* Non-zero means that the results of the matches are to be quoted using
+   double quotes (or an application-specific quoting mechanism) if the
+   filename contains any characters in rl_filename_quote_chars.  This is
+   ALWAYS non-zero on entry, and can only be changed within a completion
+   entry finder function. */
+int rl_filename_quoting_desired = 1;
+
+/* This function, if defined, is called by the completer when real
+   filename completion is done, after all the matching names have been
+   generated. It is passed a (char**) known as matches in the code below.
+   It consists of a NULL-terminated array of pointers to potential
+   matching strings.  The 1st element (matches[0]) is the maximal
+   substring that is common to all matches. This function can re-arrange
+   the list of matches as required, but all elements of the array must be
+   free()'d if they are deleted. The main intent of this function is
+   to implement FIGNORE a la SunOS csh. */
+rl_compignore_func_t *rl_ignore_some_completions_function = (rl_compignore_func_t *)NULL;
+
+/* Set to a function to quote a filename in an application-specific fashion.
+   Called with the text to quote, the type of match found (single or multiple)
+   and a pointer to the quoting character to be used, which the function can
+   reset if desired. */
+rl_quote_func_t *rl_filename_quoting_function = rl_quote_filename;
+         
+/* Function to call to remove quoting characters from a filename.  Called
+   before completion is attempted, so the embedded quotes do not interfere
+   with matching names in the file system.  Readline doesn't do anything
+   with this; it's set only by applications. */
+rl_dequote_func_t *rl_filename_dequoting_function = (rl_dequote_func_t *)NULL;
+
+/* Function to call to decide whether or not a word break character is
+   quoted.  If a character is quoted, it does not break words for the
+   completer. */
+rl_linebuf_func_t *rl_char_is_quoted_p = (rl_linebuf_func_t *)NULL;
+
+/* If non-zero, the completion functions don't append anything except a
+   possible closing quote.  This is set to 0 by rl_complete_internal and
+   may be changed by an application-specific completion function. */
+int rl_completion_suppress_append = 0;
+
+/* Character appended to completed words when at the end of the line.  The
+   default is a space. */
+int rl_completion_append_character = ' ';
+
+/* If non-zero, a slash will be appended to completed filenames that are
+   symbolic links to directory names, subject to the value of the
+   mark-directories variable (which is user-settable).  This exists so
+   that application completion functions can override the user's preference
+   (set via the mark-symlinked-directories variable) if appropriate.
+   It's set to the value of _rl_complete_mark_symlink_dirs in
+   rl_complete_internal before any application-specific completion
+   function is called, so without that function doing anything, the user's
+   preferences are honored. */
+int rl_completion_mark_symlink_dirs;
+
+/* If non-zero, inhibit completion (temporarily). */
+int rl_inhibit_completion;
+
+/* Variables local to this file. */
+
+/* Local variable states what happened during the last completion attempt. */
+static int completion_changed_buffer;
+
+/*************************************/
+/*				     */
+/*    Bindable completion functions  */
+/*				     */
+/*************************************/
+
+/* Complete the word at or before point.  You have supplied the function
+   that does the initial simple matching selection algorithm (see
+   rl_completion_matches ()).  The default is to do filename completion. */
+int
+rl_complete (ignore, invoking_key)
+     int ignore, invoking_key;
+{
+  if (rl_inhibit_completion)
+    return (_rl_insert_char (ignore, invoking_key));
+  else if (rl_last_func == rl_complete && !completion_changed_buffer)
+    return (rl_complete_internal ('?'));
+  else if (_rl_complete_show_all)
+    return (rl_complete_internal ('!'));
+  else
+    return (rl_complete_internal (TAB));
+}
+
+/* List the possible completions.  See description of rl_complete (). */
+int
+rl_possible_completions (ignore, invoking_key)
+     int ignore, invoking_key;
+{
+  return (rl_complete_internal ('?'));
+}
+
+int
+rl_insert_completions (ignore, invoking_key)
+     int ignore, invoking_key;
+{
+  return (rl_complete_internal ('*'));
+}
+
+/* Return the correct value to pass to rl_complete_internal performing
+   the same tests as rl_complete.  This allows consecutive calls to an
+   application's completion function to list possible completions and for
+   an application-specific completion function to honor the
+   show-all-if-ambiguous readline variable. */
+int
+rl_completion_mode (cfunc)
+     rl_command_func_t *cfunc;
+{
+  if (rl_last_func == cfunc && !completion_changed_buffer)
+    return '?';
+  else if (_rl_complete_show_all)
+    return '!';
+  else
+    return TAB;
+}
+
+/************************************/
+/*				    */
+/*    Completion utility functions  */
+/*				    */
+/************************************/
+
+/* Set default values for readline word completion.  These are the variables
+   that application completion functions can change or inspect. */
+static void
+set_completion_defaults (what_to_do)
+     int what_to_do;
+{
+  /* Only the completion entry function can change these. */
+  rl_filename_completion_desired = 0;
+  rl_filename_quoting_desired = 1;
+  rl_completion_type = what_to_do;
+  rl_completion_suppress_append = 0;
+
+  /* The completion entry function may optionally change this. */
+  rl_completion_mark_symlink_dirs = _rl_complete_mark_symlink_dirs;
+}
+
+/* The user must press "y" or "n". Non-zero return means "y" pressed. */
+static int
+get_y_or_n (for_pager)
+     int for_pager;
+{
+  int c;
+
+  for (;;)
+    {
+      RL_SETSTATE(RL_STATE_MOREINPUT);
+      c = rl_read_key ();
+      RL_UNSETSTATE(RL_STATE_MOREINPUT);
+
+      if (c == 'y' || c == 'Y' || c == ' ')
+	return (1);
+      if (c == 'n' || c == 'N' || c == RUBOUT)
+	return (0);
+      if (c == ABORT_CHAR)
+	_rl_abort_internal ();
+      if (for_pager && (c == NEWLINE || c == RETURN))
+	return (2);
+      if (for_pager && (c == 'q' || c == 'Q'))
+	return (0);
+      rl_ding ();
+    }
+}
+
+static int
+_rl_internal_pager (lines)
+     int lines;
+{
+  int i;
+
+  fprintf (rl_outstream, "--More--");
+  fflush (rl_outstream);
+  i = get_y_or_n (1);
+  _rl_erase_entire_line ();
+  if (i == 0)
+    return -1;
+  else if (i == 2)
+    return (lines - 1);
+  else
+    return 0;
+}
+
+#if defined (VISIBLE_STATS)
+/* Return the character which best describes FILENAME.
+     `@' for symbolic links
+     `/' for directories
+     `*' for executables
+     `=' for sockets
+     `|' for FIFOs
+     `%' for character special devices
+     `#' for block special devices */
+static int
+stat_char (filename)
+     char *filename;
+{
+  struct stat finfo;
+  int character, r;
+
+#if defined (HAVE_LSTAT) && defined (S_ISLNK)
+  r = lstat (filename, &finfo);
+#else
+  r = stat (filename, &finfo);
+#endif
+
+  if (r == -1)
+    return (0);
+
+  character = 0;
+  if (S_ISDIR (finfo.st_mode))
+    character = '/';
+#if defined (S_ISCHR)
+  else if (S_ISCHR (finfo.st_mode))
+    character = '%';
+#endif /* S_ISCHR */
+#if defined (S_ISBLK)
+  else if (S_ISBLK (finfo.st_mode))
+    character = '#';
+#endif /* S_ISBLK */
+#if defined (S_ISLNK)
+  else if (S_ISLNK (finfo.st_mode))
+    character = '@';
+#endif /* S_ISLNK */
+#if defined (S_ISSOCK)
+  else if (S_ISSOCK (finfo.st_mode))
+    character = '=';
+#endif /* S_ISSOCK */
+#if defined (S_ISFIFO)
+  else if (S_ISFIFO (finfo.st_mode))
+    character = '|';
+#endif
+  else if (S_ISREG (finfo.st_mode))
+    {
+      if (access (filename, X_OK) == 0)
+	character = '*';
+    }
+  return (character);
+}
+#endif /* VISIBLE_STATS */
+
+/* Return the portion of PATHNAME that should be output when listing
+   possible completions.  If we are hacking filename completion, we
+   are only interested in the basename, the portion following the
+   final slash.  Otherwise, we return what we were passed.  Since
+   printing empty strings is not very informative, if we're doing
+   filename completion, and the basename is the empty string, we look
+   for the previous slash and return the portion following that.  If
+   there's no previous slash, we just return what we were passed. */
+static char *
+printable_part (pathname)
+      char *pathname;
+{
+  char *temp, *x;
+
+  if (rl_filename_completion_desired == 0)	/* don't need to do anything */
+    return (pathname);
+
+  temp = strrchr (pathname, '/');
+#if defined (__MSDOS__)
+  if (temp == 0 && ISALPHA ((unsigned char)pathname[0]) && pathname[1] == ':')
+    temp = pathname + 1;
+#endif
+
+  if (temp == 0 || *temp == '\0')
+    return (pathname);
+  /* If the basename is NULL, we might have a pathname like '/usr/src/'.
+     Look for a previous slash and, if one is found, return the portion
+     following that slash.  If there's no previous slash, just return the
+     pathname we were passed. */
+  else if (temp[1] == '\0')
+    {
+      for (x = temp - 1; x > pathname; x--)
+        if (*x == '/')
+          break;
+      return ((*x == '/') ? x + 1 : pathname);
+    }
+  else
+    return ++temp;
+}
+
+/* Output TO_PRINT to rl_outstream.  If VISIBLE_STATS is defined and we
+   are using it, check for and output a single character for `special'
+   filenames.  Return the number of characters we output. */
+
+#define PUTX(c) \
+    do { \
+      if (CTRL_CHAR (c)) \
+        { \
+          putc ('^', rl_outstream); \
+          putc (UNCTRL (c), rl_outstream); \
+          printed_len += 2; \
+        } \
+      else if (c == RUBOUT) \
+	{ \
+	  putc ('^', rl_outstream); \
+	  putc ('?', rl_outstream); \
+	  printed_len += 2; \
+	} \
+      else \
+	{ \
+	  putc (c, rl_outstream); \
+	  printed_len++; \
+	} \
+    } while (0)
+
+static int
+print_filename (to_print, full_pathname)
+     char *to_print, *full_pathname;
+{
+  int printed_len = 0;
+#if !defined (VISIBLE_STATS)
+  char *s;
+
+  for (s = to_print; *s; s++)
+    {
+      PUTX (*s);
+    }
+#else  
+  char *s, c, *new_full_pathname;
+  int extension_char, slen, tlen;
+
+  for (s = to_print; *s; s++)
+    {
+      PUTX (*s);
+    }
+
+ if (rl_filename_completion_desired && rl_visible_stats)
+    {
+      /* If to_print != full_pathname, to_print is the basename of the
+	 path passed.  In this case, we try to expand the directory
+	 name before checking for the stat character. */
+      if (to_print != full_pathname)
+	{
+	  /* Terminate the directory name. */
+	  c = to_print[-1];
+	  to_print[-1] = '\0';
+
+	  /* If setting the last slash in full_pathname to a NUL results in
+	     full_pathname being the empty string, we are trying to complete
+	     files in the root directory.  If we pass a null string to the
+	     bash directory completion hook, for example, it will expand it
+	     to the current directory.  We just want the `/'. */
+	  s = tilde_expand (full_pathname && *full_pathname ? full_pathname : "/");
+	  if (rl_directory_completion_hook)
+	    (*rl_directory_completion_hook) (&s);
+
+	  slen = strlen (s);
+	  tlen = strlen (to_print);
+	  new_full_pathname = (char *)xmalloc (slen + tlen + 2);
+	  strcpy (new_full_pathname, s);
+	  new_full_pathname[slen] = '/';
+	  strcpy (new_full_pathname + slen + 1, to_print);
+
+	  extension_char = stat_char (new_full_pathname);
+
+	  free (new_full_pathname);
+	  to_print[-1] = c;
+	}
+      else
+	{
+	  s = tilde_expand (full_pathname);
+	  extension_char = stat_char (s);
+	}
+
+      free (s);
+      if (extension_char)
+	{
+	  putc (extension_char, rl_outstream);
+	  printed_len++;
+	}
+    }
+#endif /* VISIBLE_STATS */
+  return printed_len;
+}
+
+static char *
+rl_quote_filename (s, rtype, qcp)
+     char *s;
+     int rtype;
+     char *qcp;
+{
+  char *r;
+
+  r = (char *)xmalloc (strlen (s) + 2);
+  *r = *rl_completer_quote_characters;
+  strcpy (r + 1, s);
+  if (qcp)
+    *qcp = *rl_completer_quote_characters;
+  return r;
+}
+
+/* Find the bounds of the current word for completion purposes, and leave
+   rl_point set to the end of the word.  This function skips quoted
+   substrings (characters between matched pairs of characters in
+   rl_completer_quote_characters).  First we try to find an unclosed
+   quoted substring on which to do matching.  If one is not found, we use
+   the word break characters to find the boundaries of the current word.
+   We call an application-specific function to decide whether or not a
+   particular word break character is quoted; if that function returns a
+   non-zero result, the character does not break a word.  This function
+   returns the opening quote character if we found an unclosed quoted
+   substring, '\0' otherwise.  FP, if non-null, is set to a value saying
+   which (shell-like) quote characters we found (single quote, double
+   quote, or backslash) anywhere in the string.  DP, if non-null, is set to
+   the value of the delimiter character that caused a word break. */
+
+char
+_rl_find_completion_word (fp, dp)
+     int *fp, *dp;
+{
+  int scan, end, found_quote, delimiter, pass_next, isbrk;
+  char quote_char;
+
+  end = rl_point;
+  found_quote = delimiter = 0;
+  quote_char = '\0';
+
+  if (rl_completer_quote_characters)
+    {
+      /* We have a list of characters which can be used in pairs to
+	 quote substrings for the completer.  Try to find the start
+	 of an unclosed quoted substring. */
+      /* FOUND_QUOTE is set so we know what kind of quotes we found. */
+      for (scan = pass_next = 0; scan < end; scan++)
+	{
+	  if (pass_next)
+	    {
+	      pass_next = 0;
+	      continue;
+	    }
+
+	  /* Shell-like semantics for single quotes -- don't allow backslash
+	     to quote anything in single quotes, especially not the closing
+	     quote.  If you don't like this, take out the check on the value
+	     of quote_char. */
+	  if (quote_char != '\'' && rl_line_buffer[scan] == '\\')
+	    {
+	      pass_next = 1;
+	      found_quote |= RL_QF_BACKSLASH;
+	      continue;
+	    }
+
+	  if (quote_char != '\0')
+	    {
+	      /* Ignore everything until the matching close quote char. */
+	      if (rl_line_buffer[scan] == quote_char)
+		{
+		  /* Found matching close.  Abandon this substring. */
+		  quote_char = '\0';
+		  rl_point = end;
+		}
+	    }
+	  else if (strchr (rl_completer_quote_characters, rl_line_buffer[scan]))
+	    {
+	      /* Found start of a quoted substring. */
+	      quote_char = rl_line_buffer[scan];
+	      rl_point = scan + 1;
+	      /* Shell-like quoting conventions. */
+	      if (quote_char == '\'')
+		found_quote |= RL_QF_SINGLE_QUOTE;
+	      else if (quote_char == '"')
+		found_quote |= RL_QF_DOUBLE_QUOTE;
+	      else
+		found_quote |= RL_QF_OTHER_QUOTE;      
+	    }
+	}
+    }
+
+  if (rl_point == end && quote_char == '\0')
+    {
+      /* We didn't find an unclosed quoted substring upon which to do
+         completion, so use the word break characters to find the
+         substring on which to complete. */
+#if defined (HANDLE_MULTIBYTE)
+      while (rl_point = _rl_find_prev_mbchar (rl_line_buffer, rl_point, MB_FIND_ANY))
+#else
+      while (--rl_point)
+#endif
+	{
+	  scan = rl_line_buffer[rl_point];
+
+	  if (strchr (rl_completer_word_break_characters, scan) == 0)
+	    continue;
+
+	  /* Call the application-specific function to tell us whether
+	     this word break character is quoted and should be skipped. */
+	  if (rl_char_is_quoted_p && found_quote &&
+	      (*rl_char_is_quoted_p) (rl_line_buffer, rl_point))
+	    continue;
+
+	  /* Convoluted code, but it avoids an n^2 algorithm with calls
+	     to char_is_quoted. */
+	  break;
+	}
+    }
+
+  /* If we are at an unquoted word break, then advance past it. */
+  scan = rl_line_buffer[rl_point];
+
+  /* If there is an application-specific function to say whether or not
+     a character is quoted and we found a quote character, let that
+     function decide whether or not a character is a word break, even
+     if it is found in rl_completer_word_break_characters.  Don't bother
+     if we're at the end of the line, though. */
+  if (scan)
+    {
+      if (rl_char_is_quoted_p)
+	isbrk = (found_quote == 0 ||
+		(*rl_char_is_quoted_p) (rl_line_buffer, rl_point) == 0) &&
+		strchr (rl_completer_word_break_characters, scan) != 0;
+      else
+	isbrk = strchr (rl_completer_word_break_characters, scan) != 0;
+
+      if (isbrk)
+	{
+	  /* If the character that caused the word break was a quoting
+	     character, then remember it as the delimiter. */
+	  if (rl_basic_quote_characters &&
+	      strchr (rl_basic_quote_characters, scan) &&
+	      (end - rl_point) > 1)
+	    delimiter = scan;
+
+	  /* If the character isn't needed to determine something special
+	     about what kind of completion to perform, then advance past it. */
+	  if (rl_special_prefixes == 0 || strchr (rl_special_prefixes, scan) == 0)
+	    rl_point++;
+	}
+    }
+
+  if (fp)
+    *fp = found_quote;
+  if (dp)
+    *dp = delimiter;
+
+  return (quote_char);
+}
+
+static char **
+gen_completion_matches (text, start, end, our_func, found_quote, quote_char)
+     char *text;
+     int start, end;
+     rl_compentry_func_t *our_func;
+     int found_quote, quote_char;
+{
+  char **matches, *temp;
+
+  /* If the user wants to TRY to complete, but then wants to give
+     up and use the default completion function, they set the
+     variable rl_attempted_completion_function. */
+  if (rl_attempted_completion_function)
+    {
+      matches = (*rl_attempted_completion_function) (text, start, end);
+
+      if (matches || rl_attempted_completion_over)
+	{
+	  rl_attempted_completion_over = 0;
+	  return (matches);
+	}
+    }
+
+  /* Beware -- we're stripping the quotes here.  Do this only if we know
+     we are doing filename completion and the application has defined a
+     filename dequoting function. */
+  temp = (char *)NULL;
+
+  if (found_quote && our_func == rl_filename_completion_function &&
+      rl_filename_dequoting_function)
+    {
+      /* delete single and double quotes */
+      temp = (*rl_filename_dequoting_function) (text, quote_char);
+      text = temp;	/* not freeing text is not a memory leak */
+    }
+
+  matches = rl_completion_matches (text, our_func);
+  FREE (temp);
+  return matches;  
+}
+
+/* Filter out duplicates in MATCHES.  This frees up the strings in
+   MATCHES. */
+static char **
+remove_duplicate_matches (matches)
+     char **matches;
+{
+  char *lowest_common;
+  int i, j, newlen;
+  char dead_slot;
+  char **temp_array;
+
+  /* Sort the items. */
+  for (i = 0; matches[i]; i++)
+    ;
+
+  /* Sort the array without matches[0], since we need it to
+     stay in place no matter what. */
+  if (i)
+    qsort (matches+1, i-1, sizeof (char *), (QSFUNC *)_rl_qsort_string_compare);
+
+  /* Remember the lowest common denominator for it may be unique. */
+  lowest_common = savestring (matches[0]);
+
+  for (i = newlen = 0; matches[i + 1]; i++)
+    {
+      if (strcmp (matches[i], matches[i + 1]) == 0)
+	{
+	  free (matches[i]);
+	  matches[i] = (char *)&dead_slot;
+	}
+      else
+	newlen++;
+    }
+
+  /* We have marked all the dead slots with (char *)&dead_slot.
+     Copy all the non-dead entries into a new array. */
+  temp_array = (char **)xmalloc ((3 + newlen) * sizeof (char *));
+  for (i = j = 1; matches[i]; i++)
+    {
+      if (matches[i] != (char *)&dead_slot)
+	temp_array[j++] = matches[i];
+    }
+  temp_array[j] = (char *)NULL;
+
+  if (matches[0] != (char *)&dead_slot)
+    free (matches[0]);
+
+  /* Place the lowest common denominator back in [0]. */
+  temp_array[0] = lowest_common;
+
+  /* If there is one string left, and it is identical to the
+     lowest common denominator, then the LCD is the string to
+     insert. */
+  if (j == 2 && strcmp (temp_array[0], temp_array[1]) == 0)
+    {
+      free (temp_array[1]);
+      temp_array[1] = (char *)NULL;
+    }
+  return (temp_array);
+}
+
+/* Find the common prefix of the list of matches, and put it into
+   matches[0]. */
+static int
+compute_lcd_of_matches (match_list, matches, text)
+     char **match_list;
+     int matches;
+     const char *text;
+{
+  register int i, c1, c2, si;
+  int low;		/* Count of max-matched characters. */
+#if defined (HANDLE_MULTIBYTE)
+  int v;
+  mbstate_t ps1, ps2;
+  wchar_t wc1, wc2;
+#endif
+
+  /* If only one match, just use that.  Otherwise, compare each
+     member of the list with the next, finding out where they
+     stop matching. */
+  if (matches == 1)
+    {
+      match_list[0] = match_list[1];
+      match_list[1] = (char *)NULL;
+      return 1;
+    }
+
+  for (i = 1, low = 100000; i < matches; i++)
+    {
+#if defined (HANDLE_MULTIBYTE)
+      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	{
+	  memset (&ps1, 0, sizeof (mbstate_t));
+	  memset (&ps2, 0, sizeof (mbstate_t));
+	}
+#endif
+      if (_rl_completion_case_fold)
+	{
+	  for (si = 0;
+	       (c1 = _rl_to_lower(match_list[i][si])) &&
+	       (c2 = _rl_to_lower(match_list[i + 1][si]));
+	       si++)
+#if defined (HANDLE_MULTIBYTE)
+	    if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	      {
+		v = mbrtowc (&wc1, match_list[i]+si, strlen (match_list[i]+si), &ps1);
+		mbrtowc (&wc2, match_list[i+1]+si, strlen (match_list[i+1]+si), &ps2);
+		wc1 = towlower (wc1);
+		wc2 = towlower (wc2);
+		if (wc1 != wc2)
+		  break;
+		else if (v > 1)
+		  si += v - 1;
+	      }
+	    else
+#endif
+	    if (c1 != c2)
+	      break;
+	}
+      else
+	{
+	  for (si = 0;
+	       (c1 = match_list[i][si]) &&
+	       (c2 = match_list[i + 1][si]);
+	       si++)
+#if defined (HANDLE_MULTIBYTE)
+	    if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	      {
+		mbstate_t ps_back = ps1;
+		if (!_rl_compare_chars (match_list[i], si, &ps1, match_list[i+1], si, &ps2))
+		  break;
+		else if ((v = _rl_get_char_len (&match_list[i][si], &ps_back)) > 1)
+		  si += v - 1;
+	      }
+	    else
+#endif
+	    if (c1 != c2)
+	      break;
+	}
+
+      if (low > si)
+	low = si;
+    }
+
+  /* If there were multiple matches, but none matched up to even the
+     first character, and the user typed something, use that as the
+     value of matches[0]. */
+  if (low == 0 && text && *text)
+    {
+      match_list[0] = (char *)xmalloc (strlen (text) + 1);
+      strcpy (match_list[0], text);
+    }
+  else
+    {
+      match_list[0] = (char *)xmalloc (low + 1);
+
+      /* XXX - this might need changes in the presence of multibyte chars */
+
+      /* If we are ignoring case, try to preserve the case of the string
+	 the user typed in the face of multiple matches differing in case. */
+      if (_rl_completion_case_fold)
+	{
+	  /* sort the list to get consistent answers. */
+	  qsort (match_list+1, matches, sizeof(char *), (QSFUNC *)_rl_qsort_string_compare);
+
+	  si = strlen (text);
+	  if (si <= low)
+	    {
+	      for (i = 1; i <= matches; i++)
+		if (strncmp (match_list[i], text, si) == 0)
+		  {
+		    strncpy (match_list[0], match_list[i], low);
+		    break;
+		  }
+	      /* no casematch, use first entry */
+	      if (i > matches)
+		strncpy (match_list[0], match_list[1], low);
+	    }
+	  else
+	    /* otherwise, just use the text the user typed. */
+	    strncpy (match_list[0], text, low);
+	}
+      else
+        strncpy (match_list[0], match_list[1], low);
+
+      match_list[0][low] = '\0';
+    }
+
+  return matches;
+}
+
+static int
+postprocess_matches (matchesp, matching_filenames)
+     char ***matchesp;
+     int matching_filenames;
+{
+  char *t, **matches, **temp_matches;
+  int nmatch, i;
+
+  matches = *matchesp;
+
+  if (matches == 0)
+    return 0;
+
+  /* It seems to me that in all the cases we handle we would like
+     to ignore duplicate possiblilities.  Scan for the text to
+     insert being identical to the other completions. */
+  if (rl_ignore_completion_duplicates)
+    {
+      temp_matches = remove_duplicate_matches (matches);
+      free (matches);
+      matches = temp_matches;
+    }
+
+  /* If we are matching filenames, then here is our chance to
+     do clever processing by re-examining the list.  Call the
+     ignore function with the array as a parameter.  It can
+     munge the array, deleting matches as it desires. */
+  if (rl_ignore_some_completions_function && matching_filenames)
+    {
+      for (nmatch = 1; matches[nmatch]; nmatch++)
+	;
+      (void)(*rl_ignore_some_completions_function) (matches);
+      if (matches == 0 || matches[0] == 0)
+	{
+	  FREE (matches);
+	  *matchesp = (char **)0;
+	  return 0;
+        }
+      else
+	{
+	  /* If we removed some matches, recompute the common prefix. */
+	  for (i = 1; matches[i]; i++)
+	    ;
+	  if (i > 1 && i < nmatch)
+	    {
+	      t = matches[0];
+	      compute_lcd_of_matches (matches, i - 1, t);
+	      FREE (t);
+	    }
+	}
+    }
+
+  *matchesp = matches;
+  return (1);
+}
+
+/* A convenience function for displaying a list of strings in
+   columnar format on readline's output stream.  MATCHES is the list
+   of strings, in argv format, LEN is the number of strings in MATCHES,
+   and MAX is the length of the longest string in MATCHES. */
+void
+rl_display_match_list (matches, len, max)
+     char **matches;
+     int len, max;
+{
+  int count, limit, printed_len, lines;
+  int i, j, k, l;
+  char *temp;
+
+  /* How many items of MAX length can we fit in the screen window? */
+  max += 2;
+  limit = _rl_screenwidth / max;
+  if (limit != 1 && (limit * max == _rl_screenwidth))
+    limit--;
+
+  /* Avoid a possible floating exception.  If max > _rl_screenwidth,
+     limit will be 0 and a divide-by-zero fault will result. */
+  if (limit == 0)
+    limit = 1;
+
+  /* How many iterations of the printing loop? */
+  count = (len + (limit - 1)) / limit;
+
+  /* Watch out for special case.  If LEN is less than LIMIT, then
+     just do the inner printing loop.
+	   0 < len <= limit  implies  count = 1. */
+
+  /* Sort the items if they are not already sorted. */
+  if (rl_ignore_completion_duplicates == 0)
+    qsort (matches + 1, len, sizeof (char *), (QSFUNC *)_rl_qsort_string_compare);
+
+  rl_crlf ();
+
+  lines = 0;
+  if (_rl_print_completions_horizontally == 0)
+    {
+      /* Print the sorted items, up-and-down alphabetically, like ls. */
+      for (i = 1; i <= count; i++)
+	{
+	  for (j = 0, l = i; j < limit; j++)
+	    {
+	      if (l > len || matches[l] == 0)
+		break;
+	      else
+		{
+		  temp = printable_part (matches[l]);
+		  printed_len = print_filename (temp, matches[l]);
+
+		  if (j + 1 < limit)
+		    for (k = 0; k < max - printed_len; k++)
+		      putc (' ', rl_outstream);
+		}
+	      l += count;
+	    }
+	  rl_crlf ();
+	  lines++;
+	  if (_rl_page_completions && lines >= (_rl_screenheight - 1) && i < count)
+	    {
+	      lines = _rl_internal_pager (lines);
+	      if (lines < 0)
+		return;
+	    }
+	}
+    }
+  else
+    {
+      /* Print the sorted items, across alphabetically, like ls -x. */
+      for (i = 1; matches[i]; i++)
+	{
+	  temp = printable_part (matches[i]);
+	  printed_len = print_filename (temp, matches[i]);
+	  /* Have we reached the end of this line? */
+	  if (matches[i+1])
+	    {
+	      if (i && (limit > 1) && (i % limit) == 0)
+		{
+		  rl_crlf ();
+		  lines++;
+		  if (_rl_page_completions && lines >= _rl_screenheight - 1)
+		    {
+		      lines = _rl_internal_pager (lines);
+		      if (lines < 0)
+			return;
+		    }
+		}
+	      else
+		for (k = 0; k < max - printed_len; k++)
+		  putc (' ', rl_outstream);
+	    }
+	}
+      rl_crlf ();
+    }
+}
+
+/* Display MATCHES, a list of matching filenames in argv format.  This
+   handles the simple case -- a single match -- first.  If there is more
+   than one match, we compute the number of strings in the list and the
+   length of the longest string, which will be needed by the display
+   function.  If the application wants to handle displaying the list of
+   matches itself, it sets RL_COMPLETION_DISPLAY_MATCHES_HOOK to the
+   address of a function, and we just call it.  If we're handling the
+   display ourselves, we just call rl_display_match_list.  We also check
+   that the list of matches doesn't exceed the user-settable threshold,
+   and ask the user if he wants to see the list if there are more matches
+   than RL_COMPLETION_QUERY_ITEMS. */
+static void
+display_matches (matches)
+     char **matches;
+{
+  int len, max, i;
+  char *temp;
+
+  /* Move to the last visible line of a possibly-multiple-line command. */
+  _rl_move_vert (_rl_vis_botlin);
+
+  /* Handle simple case first.  What if there is only one answer? */
+  if (matches[1] == 0)
+    {
+      temp = printable_part (matches[0]);
+      rl_crlf ();
+      print_filename (temp, matches[0]);
+      rl_crlf ();
+
+      rl_forced_update_display ();
+      rl_display_fixed = 1;
+
+      return;
+    }
+
+  /* There is more than one answer.  Find out how many there are,
+     and find the maximum printed length of a single entry. */
+  for (max = 0, i = 1; matches[i]; i++)
+    {
+      temp = printable_part (matches[i]);
+      len = strlen (temp);
+
+      if (len > max)
+	max = len;
+    }
+
+  len = i - 1;
+
+  /* If the caller has defined a display hook, then call that now. */
+  if (rl_completion_display_matches_hook)
+    {
+      (*rl_completion_display_matches_hook) (matches, len, max);
+      return;
+    }
+	
+  /* If there are many items, then ask the user if she really wants to
+     see them all. */
+  if (len >= rl_completion_query_items)
+    {
+      rl_crlf ();
+      fprintf (rl_outstream, "Display all %d possibilities? (y or n)", len);
+      fflush (rl_outstream);
+      if (get_y_or_n (0) == 0)
+	{
+	  rl_crlf ();
+
+	  rl_forced_update_display ();
+	  rl_display_fixed = 1;
+
+	  return;
+	}
+    }
+
+  rl_display_match_list (matches, len, max);
+
+  rl_forced_update_display ();
+  rl_display_fixed = 1;
+}
+
+static char *
+make_quoted_replacement (match, mtype, qc)
+     char *match;
+     int mtype;
+     char *qc;	/* Pointer to quoting character, if any */
+{
+  int should_quote, do_replace;
+  char *replacement;
+
+  /* If we are doing completion on quoted substrings, and any matches
+     contain any of the completer_word_break_characters, then auto-
+     matically prepend the substring with a quote character (just pick
+     the first one from the list of such) if it does not already begin
+     with a quote string.  FIXME: Need to remove any such automatically
+     inserted quote character when it no longer is necessary, such as
+     if we change the string we are completing on and the new set of
+     matches don't require a quoted substring. */
+  replacement = match;
+
+  should_quote = match && rl_completer_quote_characters &&
+			rl_filename_completion_desired &&
+			rl_filename_quoting_desired;
+
+  if (should_quote)
+    should_quote = should_quote && (!qc || !*qc ||
+		     (rl_completer_quote_characters && strchr (rl_completer_quote_characters, *qc)));
+
+  if (should_quote)
+    {
+      /* If there is a single match, see if we need to quote it.
+         This also checks whether the common prefix of several
+	 matches needs to be quoted. */
+      should_quote = rl_filename_quote_characters
+			? (_rl_strpbrk (match, rl_filename_quote_characters) != 0)
+			: 0;
+
+      do_replace = should_quote ? mtype : NO_MATCH;
+      /* Quote the replacement, since we found an embedded
+	 word break character in a potential match. */
+      if (do_replace != NO_MATCH && rl_filename_quoting_function)
+	replacement = (*rl_filename_quoting_function) (match, do_replace, qc);
+    }
+  return (replacement);
+}
+
+static void
+insert_match (match, start, mtype, qc)
+     char *match;
+     int start, mtype;
+     char *qc;
+{
+  char *replacement;
+  char oqc;
+
+  oqc = qc ? *qc : '\0';
+  replacement = make_quoted_replacement (match, mtype, qc);
+
+  /* Now insert the match. */
+  if (replacement)
+    {
+      /* Don't double an opening quote character. */
+      if (qc && *qc && start && rl_line_buffer[start - 1] == *qc &&
+	    replacement[0] == *qc)
+	start--;
+      /* If make_quoted_replacement changed the quoting character, remove
+	 the opening quote and insert the (fully-quoted) replacement. */
+      else if (qc && (*qc != oqc) && start && rl_line_buffer[start - 1] == oqc &&
+	    replacement[0] != oqc)
+	start--;
+      _rl_replace_text (replacement, start, rl_point - 1);
+      if (replacement != match)
+        free (replacement);
+    }
+}
+
+/* Append any necessary closing quote and a separator character to the
+   just-inserted match.  If the user has specified that directories
+   should be marked by a trailing `/', append one of those instead.  The
+   default trailing character is a space.  Returns the number of characters
+   appended.  If NONTRIVIAL_MATCH is set, we test for a symlink (if the OS
+   has them) and don't add a suffix for a symlink to a directory.  A
+   nontrivial match is one that actually adds to the word being completed.
+   The variable rl_completion_mark_symlink_dirs controls this behavior
+   (it's initially set to the what the user has chosen, indicated by the
+   value of _rl_complete_mark_symlink_dirs, but may be modified by an
+   application's completion function). */
+static int
+append_to_match (text, delimiter, quote_char, nontrivial_match)
+     char *text;
+     int delimiter, quote_char, nontrivial_match;
+{
+  char temp_string[4], *filename;
+  int temp_string_index, s;
+  struct stat finfo;
+
+  temp_string_index = 0;
+  if (quote_char && rl_point && rl_line_buffer[rl_point - 1] != quote_char)
+    temp_string[temp_string_index++] = quote_char;
+
+  if (delimiter)
+    temp_string[temp_string_index++] = delimiter;
+  else if (rl_completion_suppress_append == 0 && rl_completion_append_character)
+    temp_string[temp_string_index++] = rl_completion_append_character;
+
+  temp_string[temp_string_index++] = '\0';
+
+  if (rl_filename_completion_desired)
+    {
+      filename = tilde_expand (text);
+      s = (nontrivial_match && rl_completion_mark_symlink_dirs == 0)
+		? LSTAT (filename, &finfo)
+		: stat (filename, &finfo);
+      if (s == 0 && S_ISDIR (finfo.st_mode))
+	{
+	  if (_rl_complete_mark_directories)
+	    {
+	      /* This is clumsy.  Avoid putting in a double slash if point
+		 is at the end of the line and the previous character is a
+		 slash. */
+	      if (rl_point && rl_line_buffer[rl_point] == '\0' && rl_line_buffer[rl_point - 1] == '/')
+		;
+	      else if (rl_line_buffer[rl_point] != '/')
+		rl_insert_text ("/");
+	    }
+	}
+#ifdef S_ISLNK
+      /* Don't add anything if the filename is a symlink and resolves to a
+	 directory. */
+      else if (s == 0 && S_ISLNK (finfo.st_mode) &&
+	       stat (filename, &finfo) == 0 && S_ISDIR (finfo.st_mode))
+	;
+#endif
+      else
+	{
+	  if (rl_point == rl_end && temp_string_index)
+	    rl_insert_text (temp_string);
+	}
+      free (filename);
+    }
+  else
+    {
+      if (rl_point == rl_end && temp_string_index)
+	rl_insert_text (temp_string);
+    }
+
+  return (temp_string_index);
+}
+
+static void
+insert_all_matches (matches, point, qc)
+     char **matches;
+     int point;
+     char *qc;
+{
+  int i;
+  char *rp;
+
+  rl_begin_undo_group ();
+  /* remove any opening quote character; make_quoted_replacement will add
+     it back. */
+  if (qc && *qc && point && rl_line_buffer[point - 1] == *qc)
+    point--;
+  rl_delete_text (point, rl_point);
+  rl_point = point;
+
+  if (matches[1])
+    {
+      for (i = 1; matches[i]; i++)
+	{
+	  rp = make_quoted_replacement (matches[i], SINGLE_MATCH, qc);
+	  rl_insert_text (rp);
+	  rl_insert_text (" ");
+	  if (rp != matches[i])
+	    free (rp);
+	}
+    }
+  else
+    {
+      rp = make_quoted_replacement (matches[0], SINGLE_MATCH, qc);
+      rl_insert_text (rp);
+      rl_insert_text (" ");
+      if (rp != matches[0])
+	free (rp);
+    }
+  rl_end_undo_group ();
+}
+
+void
+_rl_free_match_list (matches)
+     char **matches;
+{
+  register int i;
+
+  if (matches == 0)
+    return;
+
+  for (i = 0; matches[i]; i++)
+    free (matches[i]);
+  free (matches);
+}
+
+/* Complete the word at or before point.
+   WHAT_TO_DO says what to do with the completion.
+   `?' means list the possible completions.
+   TAB means do standard completion.
+   `*' means insert all of the possible completions.
+   `!' means to do standard completion, and list all possible completions if
+   there is more than one. */
+int
+rl_complete_internal (what_to_do)
+     int what_to_do;
+{
+  char **matches;
+  rl_compentry_func_t *our_func;
+  int start, end, delimiter, found_quote, i, nontrivial_lcd;
+  char *text, *saved_line_buffer;
+  char quote_char;
+
+  RL_SETSTATE(RL_STATE_COMPLETING);
+
+  set_completion_defaults (what_to_do);
+
+  saved_line_buffer = rl_line_buffer ? savestring (rl_line_buffer) : (char *)NULL;
+  our_func = rl_completion_entry_function
+		? rl_completion_entry_function
+		: rl_filename_completion_function;
+
+  /* We now look backwards for the start of a filename/variable word. */
+  end = rl_point;
+  found_quote = delimiter = 0;
+  quote_char = '\0';
+
+  if (rl_point)
+    /* This (possibly) changes rl_point.  If it returns a non-zero char,
+       we know we have an open quote. */
+    quote_char = _rl_find_completion_word (&found_quote, &delimiter);
+
+  start = rl_point;
+  rl_point = end;
+
+  text = rl_copy_text (start, end);
+  matches = gen_completion_matches (text, start, end, our_func, found_quote, quote_char);
+  /* nontrivial_lcd is set if the common prefix adds something to the word
+     being completed. */
+  nontrivial_lcd = matches && strcmp (text, matches[0]) != 0;
+  free (text);
+
+  if (matches == 0)
+    {
+      rl_ding ();
+      FREE (saved_line_buffer);
+      completion_changed_buffer = 0;
+      RL_UNSETSTATE(RL_STATE_COMPLETING);
+      return (0);
+    }
+
+  /* If we are matching filenames, the attempted completion function will
+     have set rl_filename_completion_desired to a non-zero value.  The basic
+     rl_filename_completion_function does this. */
+  i = rl_filename_completion_desired;
+
+  if (postprocess_matches (&matches, i) == 0)
+    {
+      rl_ding ();
+      FREE (saved_line_buffer);
+      completion_changed_buffer = 0;
+      RL_UNSETSTATE(RL_STATE_COMPLETING);
+      return (0);
+    }
+
+  switch (what_to_do)
+    {
+    case TAB:
+    case '!':
+      /* Insert the first match with proper quoting. */
+      if (*matches[0])
+	insert_match (matches[0], start, matches[1] ? MULT_MATCH : SINGLE_MATCH, &quote_char);
+
+      /* If there are more matches, ring the bell to indicate.
+	 If we are in vi mode, Posix.2 says to not ring the bell.
+	 If the `show-all-if-ambiguous' variable is set, display
+	 all the matches immediately.  Otherwise, if this was the
+	 only match, and we are hacking files, check the file to
+	 see if it was a directory.  If so, and the `mark-directories'
+	 variable is set, add a '/' to the name.  If not, and we
+	 are at the end of the line, then add a space.  */
+      if (matches[1])
+	{
+	  if (what_to_do == '!')
+	    {
+	      display_matches (matches);
+	      break;
+	    }
+	  else if (rl_editing_mode != vi_mode)
+	    rl_ding ();	/* There are other matches remaining. */
+	}
+      else
+	append_to_match (matches[0], delimiter, quote_char, nontrivial_lcd);
+
+      break;
+
+    case '*':
+      insert_all_matches (matches, start, &quote_char);
+      break;
+
+    case '?':
+      display_matches (matches);
+      break;
+
+    default:
+      fprintf (stderr, "\r\nreadline: bad value %d for what_to_do in rl_complete\n", what_to_do);
+      rl_ding ();
+      FREE (saved_line_buffer);
+      RL_UNSETSTATE(RL_STATE_COMPLETING);
+      return 1;
+    }
+
+  _rl_free_match_list (matches);
+
+  /* Check to see if the line has changed through all of this manipulation. */
+  if (saved_line_buffer)
+    {
+      completion_changed_buffer = strcmp (rl_line_buffer, saved_line_buffer) != 0;
+      free (saved_line_buffer);
+    }
+
+  RL_UNSETSTATE(RL_STATE_COMPLETING);
+  return 0;
+}
+
+/***************************************************************/
+/*							       */
+/*  Application-callable completion match generator functions  */
+/*							       */
+/***************************************************************/
+
+/* Return an array of (char *) which is a list of completions for TEXT.
+   If there are no completions, return a NULL pointer.
+   The first entry in the returned array is the substitution for TEXT.
+   The remaining entries are the possible completions.
+   The array is terminated with a NULL pointer.
+
+   ENTRY_FUNCTION is a function of two args, and returns a (char *).
+     The first argument is TEXT.
+     The second is a state argument; it should be zero on the first call, and
+     non-zero on subsequent calls.  It returns a NULL pointer to the caller
+     when there are no more matches.
+ */
+char **
+rl_completion_matches (text, entry_function)
+     const char *text;
+     rl_compentry_func_t *entry_function;
+{
+  /* Number of slots in match_list. */
+  int match_list_size;
+
+  /* The list of matches. */
+  char **match_list;
+
+  /* Number of matches actually found. */
+  int matches;
+
+  /* Temporary string binder. */
+  char *string;
+
+  matches = 0;
+  match_list_size = 10;
+  match_list = (char **)xmalloc ((match_list_size + 1) * sizeof (char *));
+  match_list[1] = (char *)NULL;
+
+  while (string = (*entry_function) (text, matches))
+    {
+      if (matches + 1 == match_list_size)
+	match_list = (char **)xrealloc
+	  (match_list, ((match_list_size += 10) + 1) * sizeof (char *));
+
+      match_list[++matches] = string;
+      match_list[matches + 1] = (char *)NULL;
+    }
+
+  /* If there were any matches, then look through them finding out the
+     lowest common denominator.  That then becomes match_list[0]. */
+  if (matches)
+    compute_lcd_of_matches (match_list, matches, text);
+  else				/* There were no matches. */
+    {
+      free (match_list);
+      match_list = (char **)NULL;
+    }
+  return (match_list);
+}
+
+/* A completion function for usernames.
+   TEXT contains a partial username preceded by a random
+   character (usually `~').  */
+char *
+rl_username_completion_function (text, state)
+     const char *text;
+     int state;
+{
+#if defined (__WIN32__) || defined (__OPENNT)
+  return (char *)NULL;
+#else /* !__WIN32__ && !__OPENNT) */
+  static char *username = (char *)NULL;
+  static struct passwd *entry;
+  static int namelen, first_char, first_char_loc;
+  char *value;
+
+  if (state == 0)
+    {
+      FREE (username);
+
+      first_char = *text;
+      first_char_loc = first_char == '~';
+
+      username = savestring (&text[first_char_loc]);
+      namelen = strlen (username);
+      setpwent ();
+    }
+
+  while (entry = getpwent ())
+    {
+      /* Null usernames should result in all users as possible completions. */
+      if (namelen == 0 || (STREQN (username, entry->pw_name, namelen)))
+	break;
+    }
+
+  if (entry == 0)
+    {
+      endpwent ();
+      return ((char *)NULL);
+    }
+  else
+    {
+      value = (char *)xmalloc (2 + strlen (entry->pw_name));
+
+      *value = *text;
+
+      strcpy (value + first_char_loc, entry->pw_name);
+
+      if (first_char == '~')
+	rl_filename_completion_desired = 1;
+
+      return (value);
+    }
+#endif /* !__WIN32__ && !__OPENNT */
+}
+
+/* Okay, now we write the entry_function for filename completion.  In the
+   general case.  Note that completion in the shell is a little different
+   because of all the pathnames that must be followed when looking up the
+   completion for a command. */
+char *
+rl_filename_completion_function (text, state)
+     const char *text;
+     int state;
+{
+  static DIR *directory = (DIR *)NULL;
+  static char *filename = (char *)NULL;
+  static char *dirname = (char *)NULL;
+  static char *users_dirname = (char *)NULL;
+  static int filename_len;
+  char *temp;
+  int dirlen;
+  struct dirent *entry;
+
+  /* If we don't have any state, then do some initialization. */
+  if (state == 0)
+    {
+      /* If we were interrupted before closing the directory or reading
+	 all of its contents, close it. */
+      if (directory)
+	{
+	  closedir (directory);
+	  directory = (DIR *)NULL;
+	}
+      FREE (dirname);
+      FREE (filename);
+      FREE (users_dirname);
+
+      filename = savestring (text);
+      if (*text == 0)
+	text = ".";
+      dirname = savestring (text);
+
+      temp = strrchr (dirname, '/');
+
+#if defined (__MSDOS__)
+      /* special hack for //X/... */
+      if (dirname[0] == '/' && dirname[1] == '/' && ISALPHA ((unsigned char)dirname[2]) && dirname[3] == '/')
+        temp = strrchr (dirname + 3, '/');
+#endif
+
+      if (temp)
+	{
+	  strcpy (filename, ++temp);
+	  *temp = '\0';
+	}
+#if defined (__MSDOS__)
+      /* searches from current directory on the drive */
+      else if (ISALPHA ((unsigned char)dirname[0]) && dirname[1] == ':')
+        {
+          strcpy (filename, dirname + 2);
+          dirname[2] = '\0';
+        }
+#endif
+      else
+	{
+	  dirname[0] = '.';
+	  dirname[1] = '\0';
+	}
+
+      /* We aren't done yet.  We also support the "~user" syntax. */
+
+      /* Save the version of the directory that the user typed. */
+      users_dirname = savestring (dirname);
+
+      if (*dirname == '~')
+	{
+	  temp = tilde_expand (dirname);
+	  free (dirname);
+	  dirname = temp;
+	}
+
+      if (rl_directory_rewrite_hook)
+	(*rl_directory_rewrite_hook) (&dirname);
+
+      if (rl_directory_completion_hook && (*rl_directory_completion_hook) (&dirname))
+	{
+	  free (users_dirname);
+	  users_dirname = savestring (dirname);
+	}
+
+      directory = opendir (dirname);
+      filename_len = strlen (filename);
+
+      rl_filename_completion_desired = 1;
+    }
+
+  /* At this point we should entertain the possibility of hacking wildcarded
+     filenames, like /usr/man/man<WILD>/te<TAB>.  If the directory name
+     contains globbing characters, then build an array of directories, and
+     then map over that list while completing. */
+  /* *** UNIMPLEMENTED *** */
+
+  /* Now that we have some state, we can read the directory. */
+
+  entry = (struct dirent *)NULL;
+  while (directory && (entry = readdir (directory)))
+    {
+      /* Special case for no filename.  If the user has disabled the
+         `match-hidden-files' variable, skip filenames beginning with `.'.
+	 All other entries except "." and ".." match. */
+      if (filename_len == 0)
+	{
+	  if (_rl_match_hidden_files == 0 && HIDDEN_FILE (entry->d_name))
+	    continue;
+
+	  if (entry->d_name[0] != '.' ||
+	       (entry->d_name[1] &&
+		 (entry->d_name[1] != '.' || entry->d_name[2])))
+	    break;
+	}
+      else
+	{
+	  /* Otherwise, if these match up to the length of filename, then
+	     it is a match. */
+	  if (_rl_completion_case_fold)
+	    {
+	      if ((_rl_to_lower (entry->d_name[0]) == _rl_to_lower (filename[0])) &&
+		  (((int)D_NAMLEN (entry)) >= filename_len) &&
+		  (_rl_strnicmp (filename, entry->d_name, filename_len) == 0))
+		break;
+	    }
+	  else
+	    {
+	      if ((entry->d_name[0] == filename[0]) &&
+		  (((int)D_NAMLEN (entry)) >= filename_len) &&
+		  (strncmp (filename, entry->d_name, filename_len) == 0))
+		break;
+	    }
+	}
+    }
+
+  if (entry == 0)
+    {
+      if (directory)
+	{
+	  closedir (directory);
+	  directory = (DIR *)NULL;
+	}
+      if (dirname)
+	{
+	  free (dirname);
+	  dirname = (char *)NULL;
+	}
+      if (filename)
+	{
+	  free (filename);
+	  filename = (char *)NULL;
+	}
+      if (users_dirname)
+	{
+	  free (users_dirname);
+	  users_dirname = (char *)NULL;
+	}
+
+      return (char *)NULL;
+    }
+  else
+    {
+      /* dirname && (strcmp (dirname, ".") != 0) */
+      if (dirname && (dirname[0] != '.' || dirname[1]))
+	{
+	  if (rl_complete_with_tilde_expansion && *users_dirname == '~')
+	    {
+	      dirlen = strlen (dirname);
+	      temp = (char *)xmalloc (2 + dirlen + D_NAMLEN (entry));
+	      strcpy (temp, dirname);
+	      /* Canonicalization cuts off any final slash present.  We
+		 may need to add it back. */
+	      if (dirname[dirlen - 1] != '/')
+	        {
+	          temp[dirlen++] = '/';
+	          temp[dirlen] = '\0';
+	        }
+	    }
+	  else
+	    {
+	      dirlen = strlen (users_dirname);
+	      temp = (char *)xmalloc (2 + dirlen + D_NAMLEN (entry));
+	      strcpy (temp, users_dirname);
+	      /* Make sure that temp has a trailing slash here. */
+	      if (users_dirname[dirlen - 1] != '/')
+		temp[dirlen++] = '/';
+	    }
+
+	  strcpy (temp + dirlen, entry->d_name);
+	}
+      else
+	temp = savestring (entry->d_name);
+
+      return (temp);
+    }
+}
+
+/* An initial implementation of a menu completion function a la tcsh.  The
+   first time (if the last readline command was not rl_menu_complete), we
+   generate the list of matches.  This code is very similar to the code in
+   rl_complete_internal -- there should be a way to combine the two.  Then,
+   for each item in the list of matches, we insert the match in an undoable
+   fashion, with the appropriate character appended (this happens on the
+   second and subsequent consecutive calls to rl_menu_complete).  When we
+   hit the end of the match list, we restore the original unmatched text,
+   ring the bell, and reset the counter to zero. */
+int
+rl_menu_complete (count, ignore)
+     int count, ignore;
+{
+  rl_compentry_func_t *our_func;
+  int matching_filenames, found_quote;
+
+  static char *orig_text;
+  static char **matches = (char **)0;
+  static int match_list_index = 0;
+  static int match_list_size = 0;
+  static int orig_start, orig_end;
+  static char quote_char;
+  static int delimiter;
+
+  /* The first time through, we generate the list of matches and set things
+     up to insert them. */
+  if (rl_last_func != rl_menu_complete)
+    {
+      /* Clean up from previous call, if any. */
+      FREE (orig_text);
+      if (matches)
+	_rl_free_match_list (matches);
+
+      match_list_index = match_list_size = 0;
+      matches = (char **)NULL;
+
+      /* Only the completion entry function can change these. */
+      set_completion_defaults ('%');
+
+      our_func = rl_completion_entry_function
+			? rl_completion_entry_function
+			: rl_filename_completion_function;
+
+      /* We now look backwards for the start of a filename/variable word. */
+      orig_end = rl_point;
+      found_quote = delimiter = 0;
+      quote_char = '\0';
+
+      if (rl_point)
+	/* This (possibly) changes rl_point.  If it returns a non-zero char,
+	   we know we have an open quote. */
+	quote_char = _rl_find_completion_word (&found_quote, &delimiter);
+
+      orig_start = rl_point;
+      rl_point = orig_end;
+
+      orig_text = rl_copy_text (orig_start, orig_end);
+      matches = gen_completion_matches (orig_text, orig_start, orig_end,
+					our_func, found_quote, quote_char);
+
+      /* If we are matching filenames, the attempted completion function will
+	 have set rl_filename_completion_desired to a non-zero value.  The basic
+	 rl_filename_completion_function does this. */
+      matching_filenames = rl_filename_completion_desired;
+
+      if (matches == 0 || postprocess_matches (&matches, matching_filenames) == 0)
+	{
+    	  rl_ding ();
+	  FREE (matches);
+	  matches = (char **)0;
+	  FREE (orig_text);
+	  orig_text = (char *)0;
+    	  completion_changed_buffer = 0;
+          return (0);
+	}
+
+      for (match_list_size = 0; matches[match_list_size]; match_list_size++)
+        ;
+      /* matches[0] is lcd if match_list_size > 1, but the circular buffer
+	 code below should take care of it. */
+    }
+
+  /* Now we have the list of matches.  Replace the text between
+     rl_line_buffer[orig_start] and rl_line_buffer[rl_point] with
+     matches[match_list_index], and add any necessary closing char. */
+
+  if (matches == 0 || match_list_size == 0) 
+    {
+      rl_ding ();
+      FREE (matches);
+      matches = (char **)0;
+      completion_changed_buffer = 0;
+      return (0);
+    }
+
+  match_list_index = (match_list_index + count) % match_list_size;
+  if (match_list_index < 0)
+    match_list_index += match_list_size;
+
+  if (match_list_index == 0 && match_list_size > 1)
+    {
+      rl_ding ();
+      insert_match (orig_text, orig_start, MULT_MATCH, &quote_char);
+    }
+  else
+    {
+      insert_match (matches[match_list_index], orig_start, SINGLE_MATCH, &quote_char);
+      append_to_match (matches[match_list_index], delimiter, quote_char,
+		       strcmp (orig_text, matches[match_list_index]));
+    }
+
+  completion_changed_buffer = 1;
+  return (0);
+}
diff --git a/readline-4.3.orig/display.c b/readline-4.3.orig/display.c
new file mode 100644
index 0000000..5150ea6
--- /dev/null
+++ b/readline-4.3.orig/display.c
@@ -0,0 +1,2196 @@
+/* display.c -- readline redisplay facility. */
+
+/* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc.
+
+   This file is part of the GNU Readline Library, a library for
+   reading lines of text with interactive input and history editing.
+
+   The GNU Readline Library is free software; you can redistribute it
+   and/or modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2, or
+   (at your option) any later version.
+
+   The GNU Readline Library is distributed in the hope that it will be
+   useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   The GNU General Public License is often shipped with GNU software, and
+   is generally kept in a file called COPYING or LICENSE.  If you do not
+   have a copy of the license, write to the Free Software Foundation,
+   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+#define READLINE_LIBRARY
+
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
+
+#include <sys/types.h>
+
+#if defined (HAVE_UNISTD_H)
+#  include <unistd.h>
+#endif /* HAVE_UNISTD_H */
+
+#include "posixstat.h"
+
+#if defined (HAVE_STDLIB_H)
+#  include <stdlib.h>
+#else
+#  include "ansi_stdlib.h"
+#endif /* HAVE_STDLIB_H */
+
+#include <stdio.h>
+
+/* System-specific feature definitions and include files. */
+#include "rldefs.h"
+#include "rlmbutil.h"
+
+/* Termcap library stuff. */
+#include "tcap.h"
+
+/* Some standard library routines. */
+#include "readline.h"
+#include "history.h"
+
+#include "rlprivate.h"
+#include "xmalloc.h"
+
+#if !defined (strchr) && !defined (__STDC__)
+extern char *strchr (), *strrchr ();
+#endif /* !strchr && !__STDC__ */
+
+#if defined (HACK_TERMCAP_MOTION)
+extern char *_rl_term_forward_char;
+#endif
+
+static void update_line PARAMS((char *, char *, int, int, int, int));
+static void space_to_eol PARAMS((int));
+static void delete_chars PARAMS((int));
+static void insert_some_chars PARAMS((char *, int, int));
+static void cr PARAMS((void));
+
+#if defined (HANDLE_MULTIBYTE)
+static int _rl_col_width PARAMS((char *, int, int));
+static int *_rl_wrapped_line;
+#else
+#  define _rl_col_width(l, s, e)	(((e) <= (s)) ? 0 : (e) - (s))
+#endif
+
+static int *inv_lbreaks, *vis_lbreaks;
+static int inv_lbsize, vis_lbsize;
+
+/* Heuristic used to decide whether it is faster to move from CUR to NEW
+   by backing up or outputting a carriage return and moving forward. */
+#define CR_FASTER(new, cur) (((new) + 1) < ((cur) - (new)))
+
+/* **************************************************************** */
+/*								    */
+/*			Display stuff				    */
+/*								    */
+/* **************************************************************** */
+
+/* This is the stuff that is hard for me.  I never seem to write good
+   display routines in C.  Let's see how I do this time. */
+
+/* (PWP) Well... Good for a simple line updater, but totally ignores
+   the problems of input lines longer than the screen width.
+
+   update_line and the code that calls it makes a multiple line,
+   automatically wrapping line update.  Careful attention needs
+   to be paid to the vertical position variables. */
+
+/* Keep two buffers; one which reflects the current contents of the
+   screen, and the other to draw what we think the new contents should
+   be.  Then compare the buffers, and make whatever changes to the
+   screen itself that we should.  Finally, make the buffer that we
+   just drew into be the one which reflects the current contents of the
+   screen, and place the cursor where it belongs.
+
+   Commands that want to can fix the display themselves, and then let
+   this function know that the display has been fixed by setting the
+   RL_DISPLAY_FIXED variable.  This is good for efficiency. */
+
+/* Application-specific redisplay function. */
+rl_voidfunc_t *rl_redisplay_function = rl_redisplay;
+
+/* Global variables declared here. */
+/* What YOU turn on when you have handled all redisplay yourself. */
+int rl_display_fixed = 0;
+
+int _rl_suppress_redisplay = 0;
+
+/* The stuff that gets printed out before the actual text of the line.
+   This is usually pointing to rl_prompt. */
+char *rl_display_prompt = (char *)NULL;
+
+/* Pseudo-global variables declared here. */
+/* The visible cursor position.  If you print some text, adjust this. */
+int _rl_last_c_pos = 0;
+int _rl_last_v_pos = 0;
+
+/* Number of lines currently on screen minus 1. */
+int _rl_vis_botlin = 0;
+
+/* Variables used only in this file. */
+/* The last left edge of text that was displayed.  This is used when
+   doing horizontal scrolling.  It shifts in thirds of a screenwidth. */
+static int last_lmargin;
+
+/* The line display buffers.  One is the line currently displayed on
+   the screen.  The other is the line about to be displayed. */
+static char *visible_line = (char *)NULL;
+static char *invisible_line = (char *)NULL;
+
+/* A buffer for `modeline' messages. */
+static char msg_buf[128];
+
+/* Non-zero forces the redisplay even if we thought it was unnecessary. */
+static int forced_display;
+
+/* Default and initial buffer size.  Can grow. */
+static int line_size = 1024;
+
+/* Variables to keep track of the expanded prompt string, which may
+   include invisible characters. */
+
+static char *local_prompt, *local_prompt_prefix;
+static int prompt_visible_length, prompt_prefix_length;
+
+/* The number of invisible characters in the line currently being
+   displayed on the screen. */
+static int visible_wrap_offset;
+
+/* The number of invisible characters in the prompt string.  Static so it
+   can be shared between rl_redisplay and update_line */
+static int wrap_offset;
+
+/* The index of the last invisible character in the prompt string. */
+static int prompt_last_invisible;
+
+/* The length (buffer offset) of the first line of the last (possibly
+   multi-line) buffer displayed on the screen. */
+static int visible_first_line_len;
+
+/* Number of invisible characters on the first physical line of the prompt.
+   Only valid when the number of physical characters in the prompt exceeds
+   (or is equal to) _rl_screenwidth. */
+static int prompt_invis_chars_first_line;
+
+static int prompt_last_screen_line;
+
+/* Expand the prompt string S and return the number of visible
+   characters in *LP, if LP is not null.  This is currently more-or-less
+   a placeholder for expansion.  LIP, if non-null is a place to store the
+   index of the last invisible character in the returned string. NIFLP,
+   if non-zero, is a place to store the number of invisible characters in
+   the first prompt line. */
+
+/* Current implementation:
+	\001 (^A) start non-visible characters
+	\002 (^B) end non-visible characters
+   all characters except \001 and \002 (following a \001) are copied to
+   the returned string; all characters except those between \001 and
+   \002 are assumed to be `visible'. */	
+
+static char *
+expand_prompt (pmt, lp, lip, niflp)
+     char *pmt;
+     int *lp, *lip, *niflp;
+{
+  char *r, *ret, *p;
+  int l, rl, last, ignoring, ninvis, invfl;
+
+  /* Short-circuit if we can. */
+  if (strchr (pmt, RL_PROMPT_START_IGNORE) == 0)
+    {
+      r = savestring (pmt);
+      if (lp)
+	*lp = strlen (r);
+      return r;
+    }
+
+  l = strlen (pmt);
+  r = ret = (char *)xmalloc (l + 1);
+
+  invfl = 0;	/* invisible chars in first line of prompt */
+
+  for (rl = ignoring = last = ninvis = 0, p = pmt; p && *p; p++)
+    {
+      /* This code strips the invisible character string markers
+	 RL_PROMPT_START_IGNORE and RL_PROMPT_END_IGNORE */
+      if (*p == RL_PROMPT_START_IGNORE)
+	{
+	  ignoring++;
+	  continue;
+	}
+      else if (ignoring && *p == RL_PROMPT_END_IGNORE)
+	{
+	  ignoring = 0;
+	  last = r - ret - 1;
+	  continue;
+	}
+      else
+	{
+	  *r++ = *p;
+	  if (!ignoring)
+	    rl++;
+	  else
+	    ninvis++;
+	  if (rl == _rl_screenwidth)
+	    invfl = ninvis;
+	}
+    }
+
+  if (rl < _rl_screenwidth)
+    invfl = ninvis;
+
+  *r = '\0';
+  if (lp)
+    *lp = rl;
+  if (lip)
+    *lip = last;
+  if (niflp)
+    *niflp = invfl;
+  return ret;
+}
+
+/* Just strip out RL_PROMPT_START_IGNORE and RL_PROMPT_END_IGNORE from
+   PMT and return the rest of PMT. */
+char *
+_rl_strip_prompt (pmt)
+     char *pmt;
+{
+  char *ret;
+
+  ret = expand_prompt (pmt, (int *)NULL, (int *)NULL, (int *)NULL);
+  return ret;
+}
+
+/*
+ * Expand the prompt string into the various display components, if
+ * necessary.
+ *
+ * local_prompt = expanded last line of string in rl_display_prompt
+ *		  (portion after the final newline)
+ * local_prompt_prefix = portion before last newline of rl_display_prompt,
+ *			 expanded via expand_prompt
+ * prompt_visible_length = number of visible characters in local_prompt
+ * prompt_prefix_length = number of visible characters in local_prompt_prefix
+ *
+ * This function is called once per call to readline().  It may also be
+ * called arbitrarily to expand the primary prompt.
+ *
+ * The return value is the number of visible characters on the last line
+ * of the (possibly multi-line) prompt.
+ */
+int
+rl_expand_prompt (prompt)
+     char *prompt;
+{
+  char *p, *t;
+  int c;
+
+  /* Clear out any saved values. */
+  FREE (local_prompt);
+  FREE (local_prompt_prefix);
+
+  local_prompt = local_prompt_prefix = (char *)0;
+  prompt_last_invisible = prompt_visible_length = 0;
+
+  if (prompt == 0 || *prompt == 0)
+    return (0);
+
+  p = strrchr (prompt, '\n');
+  if (!p)
+    {
+      /* The prompt is only one logical line, though it might wrap. */
+      local_prompt = expand_prompt (prompt, &prompt_visible_length,
+					    &prompt_last_invisible,
+					    &prompt_invis_chars_first_line);
+      local_prompt_prefix = (char *)0;
+      return (prompt_visible_length);
+    }
+  else
+    {
+      /* The prompt spans multiple lines. */
+      t = ++p;
+      local_prompt = expand_prompt (p, &prompt_visible_length,
+				       &prompt_last_invisible,
+				       &prompt_invis_chars_first_line);
+      c = *t; *t = '\0';
+      /* The portion of the prompt string up to and including the
+	 final newline is now null-terminated. */
+      local_prompt_prefix = expand_prompt (prompt, &prompt_prefix_length,
+						   (int *)NULL,
+						   &prompt_invis_chars_first_line);
+      *t = c;
+      return (prompt_prefix_length);
+    }
+}
+
+/* Initialize the VISIBLE_LINE and INVISIBLE_LINE arrays, and their associated
+   arrays of line break markers.  MINSIZE is the minimum size of VISIBLE_LINE
+   and INVISIBLE_LINE; if it is greater than LINE_SIZE, LINE_SIZE is
+   increased.  If the lines have already been allocated, this ensures that
+   they can hold at least MINSIZE characters. */
+static void
+init_line_structures (minsize)
+      int minsize;
+{
+  register int n;
+
+  if (invisible_line == 0)	/* initialize it */
+    {
+      if (line_size < minsize)
+	line_size = minsize;
+      visible_line = (char *)xmalloc (line_size);
+      invisible_line = (char *)xmalloc (line_size);
+    }
+  else if (line_size < minsize)	/* ensure it can hold MINSIZE chars */
+    {
+      line_size *= 2;
+      if (line_size < minsize)
+	line_size = minsize;
+      visible_line = (char *)xrealloc (visible_line, line_size);
+      invisible_line = (char *)xrealloc (invisible_line, line_size);
+    }
+
+  for (n = minsize; n < line_size; n++)
+    {
+      visible_line[n] = 0;
+      invisible_line[n] = 1;
+    }
+
+  if (vis_lbreaks == 0)
+    {
+      /* should be enough. */
+      inv_lbsize = vis_lbsize = 256;
+      inv_lbreaks = (int *)xmalloc (inv_lbsize * sizeof (int));
+      vis_lbreaks = (int *)xmalloc (vis_lbsize * sizeof (int));
+#if defined (HANDLE_MULTIBYTE)
+      _rl_wrapped_line = (int *)xmalloc (vis_lbsize * sizeof (int));
+#endif
+      inv_lbreaks[0] = vis_lbreaks[0] = 0;
+    }
+}
+  
+/* Basic redisplay algorithm. */
+void
+rl_redisplay ()
+{
+  register int in, out, c, linenum, cursor_linenum;
+  register char *line;
+  int c_pos, inv_botlin, lb_botlin, lb_linenum;
+  int newlines, lpos, temp;
+  char *prompt_this_line;
+#if defined (HANDLE_MULTIBYTE)
+  wchar_t wc;
+  size_t wc_bytes;
+  int wc_width;
+  mbstate_t ps;
+  int _rl_wrapped_multicolumn = 0;
+#endif
+
+  if (!readline_echoing_p)
+    return;
+
+  if (!rl_display_prompt)
+    rl_display_prompt = "";
+
+  if (invisible_line == 0)
+    {
+      init_line_structures (0);
+      rl_on_new_line ();
+    }
+
+  /* Draw the line into the buffer. */
+  c_pos = -1;
+
+  line = invisible_line;
+  out = inv_botlin = 0;
+
+  /* Mark the line as modified or not.  We only do this for history
+     lines. */
+  if (_rl_mark_modified_lines && current_history () && rl_undo_list)
+    {
+      line[out++] = '*';
+      line[out] = '\0';
+    }
+
+  /* If someone thought that the redisplay was handled, but the currently
+     visible line has a different modification state than the one about
+     to become visible, then correct the caller's misconception. */
+  if (visible_line[0] != invisible_line[0])
+    rl_display_fixed = 0;
+
+  /* If the prompt to be displayed is the `primary' readline prompt (the
+     one passed to readline()), use the values we have already expanded.
+     If not, use what's already in rl_display_prompt.  WRAP_OFFSET is the
+     number of non-visible characters in the prompt string. */
+  if (rl_display_prompt == rl_prompt || local_prompt)
+    {
+      int local_len = local_prompt ? strlen (local_prompt) : 0;
+      if (local_prompt_prefix && forced_display)
+	_rl_output_some_chars (local_prompt_prefix, strlen (local_prompt_prefix));
+
+      if (local_len > 0)
+	{
+	  temp = local_len + out + 2;
+	  if (temp >= line_size)
+	    {
+	      line_size = (temp + 1024) - (temp % 1024);
+	      visible_line = (char *)xrealloc (visible_line, line_size);
+	      line = invisible_line = (char *)xrealloc (invisible_line, line_size);
+	    }
+	  strncpy (line + out, local_prompt, local_len);
+	  out += local_len;
+	}
+      line[out] = '\0';
+      wrap_offset = local_len - prompt_visible_length;
+    }
+  else
+    {
+      int pmtlen;
+      prompt_this_line = strrchr (rl_display_prompt, '\n');
+      if (!prompt_this_line)
+	prompt_this_line = rl_display_prompt;
+      else
+	{
+	  prompt_this_line++;
+	  pmtlen = prompt_this_line - rl_display_prompt;	/* temp var */
+	  if (forced_display)
+	    {
+	      _rl_output_some_chars (rl_display_prompt, pmtlen);
+	      /* Make sure we are at column zero even after a newline,
+		 regardless of the state of terminal output processing. */
+	      if (pmtlen < 2 || prompt_this_line[-2] != '\r')
+		cr ();
+	    }
+	}
+
+      pmtlen = strlen (prompt_this_line);
+      temp = pmtlen + out + 2;
+      if (temp >= line_size)
+	{
+	  line_size = (temp + 1024) - (temp % 1024);
+	  visible_line = (char *)xrealloc (visible_line, line_size);
+	  line = invisible_line = (char *)xrealloc (invisible_line, line_size);
+	}
+      strncpy (line + out,  prompt_this_line, pmtlen);
+      out += pmtlen;
+      line[out] = '\0';
+      wrap_offset = prompt_invis_chars_first_line = 0;
+    }
+
+#define CHECK_INV_LBREAKS() \
+      do { \
+	if (newlines >= (inv_lbsize - 2)) \
+	  { \
+	    inv_lbsize *= 2; \
+	    inv_lbreaks = (int *)xrealloc (inv_lbreaks, inv_lbsize * sizeof (int)); \
+	  } \
+      } while (0)
+
+#if defined (HANDLE_MULTIBYTE)	  
+#define CHECK_LPOS() \
+      do { \
+	lpos++; \
+	if (lpos >= _rl_screenwidth) \
+	  { \
+	    if (newlines >= (inv_lbsize - 2)) \
+	      { \
+		inv_lbsize *= 2; \
+		inv_lbreaks = (int *)xrealloc (inv_lbreaks, inv_lbsize * sizeof (int)); \
+		_rl_wrapped_line = (int *)xrealloc (_rl_wrapped_line, inv_lbsize * sizeof (int)); \
+	      } \
+	    inv_lbreaks[++newlines] = out; \
+	    _rl_wrapped_line[newlines] = _rl_wrapped_multicolumn; \
+	    lpos = 0; \
+	  } \
+      } while (0)
+#else
+#define CHECK_LPOS() \
+      do { \
+	lpos++; \
+	if (lpos >= _rl_screenwidth) \
+	  { \
+	    if (newlines >= (inv_lbsize - 2)) \
+	      { \
+		inv_lbsize *= 2; \
+		inv_lbreaks = (int *)xrealloc (inv_lbreaks, inv_lbsize * sizeof (int)); \
+	      } \
+	    inv_lbreaks[++newlines] = out; \
+	    lpos = 0; \
+	  } \
+      } while (0)
+#endif
+
+  /* inv_lbreaks[i] is where line i starts in the buffer. */
+  inv_lbreaks[newlines = 0] = 0;
+  lpos = out - wrap_offset;
+#if defined (HANDLE_MULTIBYTE)
+  memset (_rl_wrapped_line, 0, vis_lbsize);
+#endif
+
+  /* prompt_invis_chars_first_line is the number of invisible characters in
+     the first physical line of the prompt.
+     wrap_offset - prompt_invis_chars_first_line is the number of invis
+     chars on the second line. */
+
+  /* what if lpos is already >= _rl_screenwidth before we start drawing the
+     contents of the command line? */
+  while (lpos >= _rl_screenwidth)
+    {
+      /* fix from Darin Johnson <darin@acuson.com> for prompt string with
+         invisible characters that is longer than the screen width.  The
+         prompt_invis_chars_first_line variable could be made into an array
+         saying how many invisible characters there are per line, but that's
+         probably too much work for the benefit gained.  How many people have
+         prompts that exceed two physical lines? */
+      temp = ((newlines + 1) * _rl_screenwidth) +
+#if 0
+             ((newlines == 0) ? prompt_invis_chars_first_line : 0) +
+#else
+             ((newlines == 0 && local_prompt_prefix == 0) ? prompt_invis_chars_first_line : 0) +
+#endif
+             ((newlines == 1) ? wrap_offset : 0);
+
+      inv_lbreaks[++newlines] = temp;
+      lpos -= _rl_screenwidth;
+    }
+
+  prompt_last_screen_line = newlines;
+
+  /* Draw the rest of the line (after the prompt) into invisible_line, keeping
+     track of where the cursor is (c_pos), the number of the line containing
+     the cursor (lb_linenum), the last line number (lb_botlin and inv_botlin).
+     It maintains an array of line breaks for display (inv_lbreaks).
+     This handles expanding tabs for display and displaying meta characters. */
+  lb_linenum = 0;
+#if defined (HANDLE_MULTIBYTE)
+  in = 0;
+  if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+    {
+      memset (&ps, 0, sizeof (mbstate_t));
+      wc_bytes = mbrtowc (&wc, rl_line_buffer, rl_end, &ps);
+    }
+  else
+    wc_bytes = 1;
+  while (in < rl_end)
+#else
+  for (in = 0; in < rl_end; in++)
+#endif
+    {
+      c = (unsigned char)rl_line_buffer[in];
+
+#if defined (HANDLE_MULTIBYTE)
+      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	{
+	  if (wc_bytes == (size_t)-1 || wc_bytes == (size_t)-2)
+	    {
+	      /* Byte sequence is invalid or shortened.  Assume that the
+	         first byte represents a character. */
+	      wc_bytes = 1;
+	      /* Assume that a character occupies a single column. */
+	      wc_width = 1;
+	      memset (&ps, 0, sizeof (mbstate_t));
+	    }
+	  else if (wc_bytes == (size_t)0)
+	    break;			/* Found '\0' */
+	  else
+	    {
+	      temp = wcwidth (wc);
+	      wc_width = (temp < 0) ? 1 : temp;
+	    }
+	}
+#endif
+
+      if (out + 8 >= line_size)		/* XXX - 8 for \t */
+	{
+	  line_size *= 2;
+	  visible_line = (char *)xrealloc (visible_line, line_size);
+	  invisible_line = (char *)xrealloc (invisible_line, line_size);
+	  line = invisible_line;
+	}
+
+      if (in == rl_point)
+	{
+	  c_pos = out;
+	  lb_linenum = newlines;
+	}
+
+#if defined (HANDLE_MULTIBYTE)
+      if (META_CHAR (c) && _rl_output_meta_chars == 0)	/* XXX - clean up */
+#else
+      if (META_CHAR (c))
+#endif
+	{
+	  if (_rl_output_meta_chars == 0)
+	    {
+	      sprintf (line + out, "\\%o", c);
+
+	      if (lpos + 4 >= _rl_screenwidth)
+		{
+		  temp = _rl_screenwidth - lpos;
+		  CHECK_INV_LBREAKS ();
+		  inv_lbreaks[++newlines] = out + temp;
+		  lpos = 4 - temp;
+		}
+	      else
+		lpos += 4;
+
+	      out += 4;
+	    }
+	  else
+	    {
+	      line[out++] = c;
+	      CHECK_LPOS();
+	    }
+	}
+#if defined (DISPLAY_TABS)
+      else if (c == '\t')
+	{
+	  register int newout;
+
+#if 0
+	  newout = (out | (int)7) + 1;
+#else
+	  newout = out + 8 - lpos % 8;
+#endif
+	  temp = newout - out;
+	  if (lpos + temp >= _rl_screenwidth)
+	    {
+	      register int temp2;
+	      temp2 = _rl_screenwidth - lpos;
+	      CHECK_INV_LBREAKS ();
+	      inv_lbreaks[++newlines] = out + temp2;
+	      lpos = temp - temp2;
+	      while (out < newout)
+		line[out++] = ' ';
+	    }
+	  else
+	    {
+	      while (out < newout)
+		line[out++] = ' ';
+	      lpos += temp;
+	    }
+	}
+#endif
+      else if (c == '\n' && _rl_horizontal_scroll_mode == 0 && _rl_term_up && *_rl_term_up)
+	{
+	  line[out++] = '\0';	/* XXX - sentinel */
+	  CHECK_INV_LBREAKS ();
+	  inv_lbreaks[++newlines] = out;
+	  lpos = 0;
+	}
+      else if (CTRL_CHAR (c) || c == RUBOUT)
+	{
+	  line[out++] = '^';
+	  CHECK_LPOS();
+	  line[out++] = CTRL_CHAR (c) ? UNCTRL (c) : '?';
+	  CHECK_LPOS();
+	}
+      else
+	{
+#if defined (HANDLE_MULTIBYTE)
+	  if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	    {
+	      register int i;
+
+	      _rl_wrapped_multicolumn = 0;
+
+	      if (_rl_screenwidth < lpos + wc_width)
+		for (i = lpos; i < _rl_screenwidth; i++)
+		  {
+		    /* The space will be removed in update_line() */
+		    line[out++] = ' ';
+		    _rl_wrapped_multicolumn++;
+		    CHECK_LPOS();
+		  }
+	      if (in == rl_point)
+		{
+		  c_pos = out;
+		  lb_linenum = newlines;
+		}
+	      for (i = in; i < in+wc_bytes; i++)
+		line[out++] = rl_line_buffer[i];
+	      for (i = 0; i < wc_width; i++)
+		CHECK_LPOS();
+	    }
+	  else
+	    {
+	      line[out++] = c;
+	      CHECK_LPOS();
+	    }
+#else
+	  line[out++] = c;
+	  CHECK_LPOS();
+#endif
+	}
+
+#if defined (HANDLE_MULTIBYTE)
+      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	{
+	  in += wc_bytes;
+	  wc_bytes = mbrtowc (&wc, rl_line_buffer + in, rl_end - in, &ps);
+	}
+      else
+        in++;
+#endif
+
+    }
+  line[out] = '\0';
+  if (c_pos < 0)
+    {
+      c_pos = out;
+      lb_linenum = newlines;
+    }
+
+  inv_botlin = lb_botlin = newlines;
+  CHECK_INV_LBREAKS ();
+  inv_lbreaks[newlines+1] = out;
+  cursor_linenum = lb_linenum;
+
+  /* C_POS == position in buffer where cursor should be placed.
+     CURSOR_LINENUM == line number where the cursor should be placed. */
+
+  /* PWP: now is when things get a bit hairy.  The visible and invisible
+     line buffers are really multiple lines, which would wrap every
+     (screenwidth - 1) characters.  Go through each in turn, finding
+     the changed region and updating it.  The line order is top to bottom. */
+
+  /* If we can move the cursor up and down, then use multiple lines,
+     otherwise, let long lines display in a single terminal line, and
+     horizontally scroll it. */
+
+  if (_rl_horizontal_scroll_mode == 0 && _rl_term_up && *_rl_term_up)
+    {
+      int nleft, pos, changed_screen_line;
+
+      if (!rl_display_fixed || forced_display)
+	{
+	  forced_display = 0;
+
+	  /* If we have more than a screenful of material to display, then
+	     only display a screenful.  We should display the last screen,
+	     not the first.  */
+	  if (out >= _rl_screenchars)
+	    {
+	      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+		out = _rl_find_prev_mbchar (line, _rl_screenchars, MB_FIND_ANY);
+	      else
+		out = _rl_screenchars - 1;
+	    }
+
+	  /* The first line is at character position 0 in the buffer.  The
+	     second and subsequent lines start at inv_lbreaks[N], offset by
+	     OFFSET (which has already been calculated above).  */
+
+#define W_OFFSET(line, offset) ((line) == 0 ? offset : 0)
+#define VIS_LLEN(l)	((l) > _rl_vis_botlin ? 0 : (vis_lbreaks[l+1] - vis_lbreaks[l]))
+#define INV_LLEN(l)	(inv_lbreaks[l+1] - inv_lbreaks[l])
+#define VIS_CHARS(line) (visible_line + vis_lbreaks[line])
+#define VIS_LINE(line) ((line) > _rl_vis_botlin) ? "" : VIS_CHARS(line)
+#define INV_LINE(line) (invisible_line + inv_lbreaks[line])
+
+	  /* For each line in the buffer, do the updating display. */
+	  for (linenum = 0; linenum <= inv_botlin; linenum++)
+	    {
+	      update_line (VIS_LINE(linenum), INV_LINE(linenum), linenum,
+			   VIS_LLEN(linenum), INV_LLEN(linenum), inv_botlin);
+
+	      /* If this is the line with the prompt, we might need to
+		 compensate for invisible characters in the new line. Do
+		 this only if there is not more than one new line (which
+		 implies that we completely overwrite the old visible line)
+		 and the new line is shorter than the old.  Make sure we are
+		 at the end of the new line before clearing. */
+	      if (linenum == 0 &&
+		  inv_botlin == 0 && _rl_last_c_pos == out &&
+		  (wrap_offset > visible_wrap_offset) &&
+		  (_rl_last_c_pos < visible_first_line_len))
+		{
+		  nleft = _rl_screenwidth + wrap_offset - _rl_last_c_pos;
+		  if (nleft)
+		    _rl_clear_to_eol (nleft);
+		}
+
+	      /* Since the new first line is now visible, save its length. */
+	      if (linenum == 0)
+		visible_first_line_len = (inv_botlin > 0) ? inv_lbreaks[1] : out - wrap_offset;
+	    }
+
+	  /* We may have deleted some lines.  If so, clear the left over
+	     blank ones at the bottom out. */
+	  if (_rl_vis_botlin > inv_botlin)
+	    {
+	      char *tt;
+	      for (; linenum <= _rl_vis_botlin; linenum++)
+		{
+		  tt = VIS_CHARS (linenum);
+		  _rl_move_vert (linenum);
+		  _rl_move_cursor_relative (0, tt);
+		  _rl_clear_to_eol
+		    ((linenum == _rl_vis_botlin) ? strlen (tt) : _rl_screenwidth);
+		}
+	    }
+	  _rl_vis_botlin = inv_botlin;
+
+	  /* CHANGED_SCREEN_LINE is set to 1 if we have moved to a
+	     different screen line during this redisplay. */
+	  changed_screen_line = _rl_last_v_pos != cursor_linenum;
+	  if (changed_screen_line)
+	    {
+	      _rl_move_vert (cursor_linenum);
+	      /* If we moved up to the line with the prompt using _rl_term_up,
+		 the physical cursor position on the screen stays the same,
+		 but the buffer position needs to be adjusted to account
+		 for invisible characters. */
+	      if (cursor_linenum == 0 && wrap_offset)
+		_rl_last_c_pos += wrap_offset;
+	    }
+
+	  /* We have to reprint the prompt if it contains invisible
+	     characters, since it's not generally OK to just reprint
+	     the characters from the current cursor position.  But we
+	     only need to reprint it if the cursor is before the last
+	     invisible character in the prompt string. */
+	  nleft = prompt_visible_length + wrap_offset;
+	  if (cursor_linenum == 0 && wrap_offset > 0 && _rl_last_c_pos > 0 &&
+	      _rl_last_c_pos <= prompt_last_invisible && local_prompt)
+	    {
+#if defined (__MSDOS__)
+	      putc ('\r', rl_outstream);
+#else
+	      if (_rl_term_cr)
+		tputs (_rl_term_cr, 1, _rl_output_character_function);
+#endif
+	      _rl_output_some_chars (local_prompt, nleft);
+	      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+		_rl_last_c_pos = _rl_col_width(local_prompt, 0, nleft);
+	      else
+		_rl_last_c_pos = nleft;
+	    }
+
+	  /* Where on that line?  And where does that line start
+	     in the buffer? */
+	  pos = inv_lbreaks[cursor_linenum];
+	  /* nleft == number of characters in the line buffer between the
+	     start of the line and the cursor position. */
+	  nleft = c_pos - pos;
+
+	  /* Since _rl_backspace() doesn't know about invisible characters in the
+	     prompt, and there's no good way to tell it, we compensate for
+	     those characters here and call _rl_backspace() directly. */
+	  if (wrap_offset && cursor_linenum == 0 && nleft < _rl_last_c_pos)
+	    {
+	      _rl_backspace (_rl_last_c_pos - nleft);
+	      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+		_rl_last_c_pos = _rl_col_width (&visible_line[pos], 0, nleft);
+	      else
+		_rl_last_c_pos = nleft;
+	    }
+
+	  if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	    _rl_move_cursor_relative (nleft, &invisible_line[pos]);
+	  else if (nleft != _rl_last_c_pos)
+	    _rl_move_cursor_relative (nleft, &invisible_line[pos]);
+	}
+    }
+  else				/* Do horizontal scrolling. */
+    {
+#define M_OFFSET(margin, offset) ((margin) == 0 ? offset : 0)
+      int lmargin, ndisp, nleft, phys_c_pos, t;
+
+      /* Always at top line. */
+      _rl_last_v_pos = 0;
+
+      /* Compute where in the buffer the displayed line should start.  This
+	 will be LMARGIN. */
+
+      /* The number of characters that will be displayed before the cursor. */
+      ndisp = c_pos - wrap_offset;
+      nleft  = prompt_visible_length + wrap_offset;
+      /* Where the new cursor position will be on the screen.  This can be
+	 longer than SCREENWIDTH; if it is, lmargin will be adjusted. */
+      phys_c_pos = c_pos - (last_lmargin ? last_lmargin : wrap_offset);
+      t = _rl_screenwidth / 3;
+
+      /* If the number of characters had already exceeded the screenwidth,
+	 last_lmargin will be > 0. */
+
+      /* If the number of characters to be displayed is more than the screen
+	 width, compute the starting offset so that the cursor is about
+	 two-thirds of the way across the screen. */
+      if (phys_c_pos > _rl_screenwidth - 2)
+	{
+	  lmargin = c_pos - (2 * t);
+	  if (lmargin < 0)
+	    lmargin = 0;
+	  /* If the left margin would be in the middle of a prompt with
+	     invisible characters, don't display the prompt at all. */
+	  if (wrap_offset && lmargin > 0 && lmargin < nleft)
+	    lmargin = nleft;
+	}
+      else if (ndisp < _rl_screenwidth - 2)		/* XXX - was -1 */
+	lmargin = 0;
+      else if (phys_c_pos < 1)
+	{
+	  /* If we are moving back towards the beginning of the line and
+	     the last margin is no longer correct, compute a new one. */
+	  lmargin = ((c_pos - 1) / t) * t;	/* XXX */
+	  if (wrap_offset && lmargin > 0 && lmargin < nleft)
+	    lmargin = nleft;
+	}
+      else
+	lmargin = last_lmargin;
+
+      /* If the first character on the screen isn't the first character
+	 in the display line, indicate this with a special character. */
+      if (lmargin > 0)
+	line[lmargin] = '<';
+
+      /* If SCREENWIDTH characters starting at LMARGIN do not encompass
+	 the whole line, indicate that with a special character at the
+	 right edge of the screen.  If LMARGIN is 0, we need to take the
+	 wrap offset into account. */
+      t = lmargin + M_OFFSET (lmargin, wrap_offset) + _rl_screenwidth;
+      if (t < out)
+	line[t - 1] = '>';
+
+      if (!rl_display_fixed || forced_display || lmargin != last_lmargin)
+	{
+	  forced_display = 0;
+	  update_line (&visible_line[last_lmargin],
+		       &invisible_line[lmargin],
+		       0,
+		       _rl_screenwidth + visible_wrap_offset,
+		       _rl_screenwidth + (lmargin ? 0 : wrap_offset),
+		       0);
+
+	  /* If the visible new line is shorter than the old, but the number
+	     of invisible characters is greater, and we are at the end of
+	     the new line, we need to clear to eol. */
+	  t = _rl_last_c_pos - M_OFFSET (lmargin, wrap_offset);
+	  if ((M_OFFSET (lmargin, wrap_offset) > visible_wrap_offset) &&
+	      (_rl_last_c_pos == out) &&
+	      t < visible_first_line_len)
+	    {
+	      nleft = _rl_screenwidth - t;
+	      _rl_clear_to_eol (nleft);
+	    }
+	  visible_first_line_len = out - lmargin - M_OFFSET (lmargin, wrap_offset);
+	  if (visible_first_line_len > _rl_screenwidth)
+	    visible_first_line_len = _rl_screenwidth;
+
+	  _rl_move_cursor_relative (c_pos - lmargin, &invisible_line[lmargin]);
+	  last_lmargin = lmargin;
+	}
+    }
+  fflush (rl_outstream);
+
+  /* Swap visible and non-visible lines. */
+  {
+    char *vtemp = visible_line;
+    int *itemp = vis_lbreaks, ntemp = vis_lbsize;
+
+    visible_line = invisible_line;
+    invisible_line = vtemp;
+
+    vis_lbreaks = inv_lbreaks;
+    inv_lbreaks = itemp;
+
+    vis_lbsize = inv_lbsize;
+    inv_lbsize = ntemp;
+
+    rl_display_fixed = 0;
+    /* If we are displaying on a single line, and last_lmargin is > 0, we
+       are not displaying any invisible characters, so set visible_wrap_offset
+       to 0. */
+    if (_rl_horizontal_scroll_mode && last_lmargin)
+      visible_wrap_offset = 0;
+    else
+      visible_wrap_offset = wrap_offset;
+  }
+}
+
+/* PWP: update_line() is based on finding the middle difference of each
+   line on the screen; vis:
+
+			     /old first difference
+	/beginning of line   |	      /old last same       /old EOL
+	v		     v	      v		    v
+old:	eddie> Oh, my little gruntle-buggy is to me, as lurgid as
+new:	eddie> Oh, my little buggy says to me, as lurgid as
+	^		     ^	^			   ^
+	\beginning of line   |	\new last same	   \new end of line
+			     \new first difference
+
+   All are character pointers for the sake of speed.  Special cases for
+   no differences, as well as for end of line additions must be handled.
+
+   Could be made even smarter, but this works well enough */
+static void
+update_line (old, new, current_line, omax, nmax, inv_botlin)
+     register char *old, *new;
+     int current_line, omax, nmax, inv_botlin;
+{
+  register char *ofd, *ols, *oe, *nfd, *nls, *ne;
+  int temp, lendiff, wsatend, od, nd;
+  int current_invis_chars;
+  int col_lendiff, col_temp;
+#if defined (HANDLE_MULTIBYTE)
+  mbstate_t ps_new, ps_old;
+  int new_offset, old_offset, tmp;
+#endif
+
+  /* If we're at the right edge of a terminal that supports xn, we're
+     ready to wrap around, so do so.  This fixes problems with knowing
+     the exact cursor position and cut-and-paste with certain terminal
+     emulators.  In this calculation, TEMP is the physical screen
+     position of the cursor. */
+  temp = _rl_last_c_pos - W_OFFSET(_rl_last_v_pos, visible_wrap_offset);
+  if (temp == _rl_screenwidth && _rl_term_autowrap && !_rl_horizontal_scroll_mode
+	&& _rl_last_v_pos == current_line - 1)
+    {
+#if defined (HANDLE_MULTIBYTE)
+      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	{
+	  wchar_t wc;
+	  mbstate_t ps;
+	  int tempwidth, bytes;
+	  size_t ret;
+
+	  /* This fixes only double-column characters, but if the wrapped
+	     character comsumes more than three columns, spaces will be
+	     inserted in the string buffer. */
+	  if (_rl_wrapped_line[current_line] > 0)
+	    _rl_clear_to_eol (_rl_wrapped_line[current_line]);
+
+	  memset (&ps, 0, sizeof (mbstate_t));
+	  ret = mbrtowc (&wc, new, MB_CUR_MAX, &ps);
+	  if (ret == (size_t)-1 || ret == (size_t)-2)
+	    {
+	      tempwidth = 1;
+	      ret = 1;
+	    }
+	  else if (ret == 0)
+	    tempwidth = 0;
+	  else
+	    tempwidth = wcwidth (wc);
+
+	  if (tempwidth > 0)
+	    {
+	      int count;
+	      bytes = ret;
+	      for (count = 0; count < bytes; count++)
+		putc (new[count], rl_outstream);
+	      _rl_last_c_pos = tempwidth;
+	      _rl_last_v_pos++;
+	      memset (&ps, 0, sizeof (mbstate_t));
+	      ret = mbrtowc (&wc, old, MB_CUR_MAX, &ps);
+	      if (ret != 0 && bytes != 0)
+		{
+		  if (ret == (size_t)-1 || ret == (size_t)-2)
+		    memmove (old+bytes, old+1, strlen (old+1));
+		  else
+		    memmove (old+bytes, old+ret, strlen (old+ret));
+		  memcpy (old, new, bytes);
+		}
+	    }
+	  else
+	    {
+	      putc (' ', rl_outstream);
+	      _rl_last_c_pos = 1;
+	      _rl_last_v_pos++;
+	      if (old[0] && new[0])
+		old[0] = new[0];
+	    }
+	}
+      else
+#endif
+	{
+	  if (new[0])
+	    putc (new[0], rl_outstream);
+	  else
+	    putc (' ', rl_outstream);
+	  _rl_last_c_pos = 1;		/* XXX */
+	  _rl_last_v_pos++;
+	  if (old[0] && new[0])
+	    old[0] = new[0];
+	}
+    }
+
+      
+  /* Find first difference. */
+#if defined (HANDLE_MULTIBYTE)
+  if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+    {
+      memset (&ps_new, 0, sizeof(mbstate_t));
+      memset (&ps_old, 0, sizeof(mbstate_t));
+
+      new_offset = old_offset = 0;
+      for (ofd = old, nfd = new;
+	   (ofd - old < omax) && *ofd &&
+	     _rl_compare_chars(old, old_offset, &ps_old, new, new_offset, &ps_new); )
+	{
+	  old_offset = _rl_find_next_mbchar (old, old_offset, 1, MB_FIND_ANY);
+	  new_offset = _rl_find_next_mbchar (new, new_offset, 1, MB_FIND_ANY);
+	  ofd = old + old_offset;
+	  nfd = new + new_offset;
+	}
+    }
+  else
+#endif
+  for (ofd = old, nfd = new;
+       (ofd - old < omax) && *ofd && (*ofd == *nfd);
+       ofd++, nfd++)
+    ;
+
+  /* Move to the end of the screen line.  ND and OD are used to keep track
+     of the distance between ne and new and oe and old, respectively, to
+     move a subtraction out of each loop. */
+  for (od = ofd - old, oe = ofd; od < omax && *oe; oe++, od++);
+  for (nd = nfd - new, ne = nfd; nd < nmax && *ne; ne++, nd++);
+
+  /* If no difference, continue to next line. */
+  if (ofd == oe && nfd == ne)
+    return;
+
+  wsatend = 1;			/* flag for trailing whitespace */
+
+#if defined (HANDLE_MULTIBYTE)
+  if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+    {
+      ols = old + _rl_find_prev_mbchar (old, oe - old, MB_FIND_ANY);
+      nls = new + _rl_find_prev_mbchar (new, ne - new, MB_FIND_ANY);
+      while ((ols > ofd) && (nls > nfd))
+	{
+	  memset (&ps_old, 0, sizeof (mbstate_t));
+	  memset (&ps_new, 0, sizeof (mbstate_t));
+
+	  _rl_adjust_point (old, ols - old, &ps_old);
+	  _rl_adjust_point (new, nls - new, &ps_new);
+
+	  if (_rl_compare_chars (old, ols - old, &ps_old, new, nls - new, &ps_new) == 0)
+	    break;
+
+	  if (*ols == ' ')
+	    wsatend = 0;
+
+	  ols = old + _rl_find_prev_mbchar (old, ols - old, MB_FIND_ANY);
+	  nls = new + _rl_find_prev_mbchar (new, nls - new, MB_FIND_ANY);
+	}
+    }
+  else
+    {
+#endif /* HANDLE_MULTIBYTE */
+  ols = oe - 1;			/* find last same */
+  nls = ne - 1;
+  while ((ols > ofd) && (nls > nfd) && (*ols == *nls))
+    {
+      if (*ols != ' ')
+	wsatend = 0;
+      ols--;
+      nls--;
+    }
+#if defined (HANDLE_MULTIBYTE)
+    }
+#endif
+
+  if (wsatend)
+    {
+      ols = oe;
+      nls = ne;
+    }
+#if defined (HANDLE_MULTIBYTE)
+  /* This may not work for stateful encoding, but who cares?  To handle
+     stateful encoding properly, we have to scan each string from the
+     beginning and compare. */
+  else if (_rl_compare_chars (ols, 0, NULL, nls, 0, NULL) == 0)
+#else
+  else if (*ols != *nls)
+#endif
+    {
+      if (*ols)			/* don't step past the NUL */
+	{
+	  if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	    ols = old + _rl_find_next_mbchar (old, ols - old, 1, MB_FIND_ANY);
+	  else
+	    ols++;
+	}
+      if (*nls)
+	{
+	  if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	    nls = new + _rl_find_next_mbchar (new, nls - new, 1, MB_FIND_ANY);
+	  else
+	    nls++;
+	}
+    }
+
+  /* count of invisible characters in the current invisible line. */
+  current_invis_chars = W_OFFSET (current_line, wrap_offset);
+  if (_rl_last_v_pos != current_line)
+    {
+      _rl_move_vert (current_line);
+      if (current_line == 0 && visible_wrap_offset)
+	_rl_last_c_pos += visible_wrap_offset;
+    }
+
+  /* If this is the first line and there are invisible characters in the
+     prompt string, and the prompt string has not changed, and the current
+     cursor position is before the last invisible character in the prompt,
+     and the index of the character to move to is past the end of the prompt
+     string, then redraw the entire prompt string.  We can only do this
+     reliably if the terminal supports a `cr' capability.
+
+     This is not an efficiency hack -- there is a problem with redrawing
+     portions of the prompt string if they contain terminal escape
+     sequences (like drawing the `unbold' sequence without a corresponding
+     `bold') that manifests itself on certain terminals. */
+
+  lendiff = local_prompt ? strlen (local_prompt) : 0;
+  od = ofd - old;	/* index of first difference in visible line */
+  if (current_line == 0 && !_rl_horizontal_scroll_mode &&
+      _rl_term_cr && lendiff > prompt_visible_length && _rl_last_c_pos > 0 &&
+      od >= lendiff && _rl_last_c_pos <= prompt_last_invisible)
+    {
+#if defined (__MSDOS__)
+      putc ('\r', rl_outstream);
+#else
+      tputs (_rl_term_cr, 1, _rl_output_character_function);
+#endif
+      _rl_output_some_chars (local_prompt, lendiff);
+      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	_rl_last_c_pos = _rl_col_width (local_prompt, 0, lendiff);
+      else
+	_rl_last_c_pos = lendiff;
+    }
+
+  _rl_move_cursor_relative (od, old);
+
+  /* if (len (new) > len (old))
+     lendiff == difference in buffer
+     col_lendiff == difference on screen
+     When not using multibyte characters, these are equal */
+  lendiff = (nls - nfd) - (ols - ofd);
+  if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+    col_lendiff = _rl_col_width (new, nfd - new, nls - new) - _rl_col_width (old, ofd - old, ols - old);
+  else
+    col_lendiff = lendiff;
+
+  /* If we are changing the number of invisible characters in a line, and
+     the spot of first difference is before the end of the invisible chars,
+     lendiff needs to be adjusted. */
+  if (current_line == 0 && !_rl_horizontal_scroll_mode &&
+      current_invis_chars != visible_wrap_offset)
+    {
+      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	{
+	  lendiff += visible_wrap_offset - current_invis_chars;
+	  col_lendiff += visible_wrap_offset - current_invis_chars;
+	}
+      else
+	{
+	  lendiff += visible_wrap_offset - current_invis_chars;
+	  col_lendiff = lendiff;
+	}
+    }
+
+  /* Insert (diff (len (old), len (new)) ch. */
+  temp = ne - nfd;
+  if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+    col_temp = _rl_col_width (new, nfd - new, ne - new);
+  else
+    col_temp = temp;
+
+  if (col_lendiff > 0)	/* XXX - was lendiff */
+    {
+      /* Non-zero if we're increasing the number of lines. */
+      int gl = current_line >= _rl_vis_botlin && inv_botlin > _rl_vis_botlin;
+      /* Sometimes it is cheaper to print the characters rather than
+	 use the terminal's capabilities.  If we're growing the number
+	 of lines, make sure we actually cause the new line to wrap
+	 around on auto-wrapping terminals. */
+      if (_rl_terminal_can_insert && ((2 * col_temp) >= col_lendiff || _rl_term_IC) && (!_rl_term_autowrap || !gl))
+	{
+	  /* If lendiff > prompt_visible_length and _rl_last_c_pos == 0 and
+	     _rl_horizontal_scroll_mode == 1, inserting the characters with
+	     _rl_term_IC or _rl_term_ic will screw up the screen because of the
+	     invisible characters.  We need to just draw them. */
+	  if (*ols && (!_rl_horizontal_scroll_mode || _rl_last_c_pos > 0 ||
+			lendiff <= prompt_visible_length || !current_invis_chars))
+	    {
+	      insert_some_chars (nfd, lendiff, col_lendiff);
+	      _rl_last_c_pos += col_lendiff;
+	    }
+	  else if (*ols == 0)
+	    {
+	      /* At the end of a line the characters do not have to
+		 be "inserted".  They can just be placed on the screen. */
+	      /* However, this screws up the rest of this block, which
+		 assumes you've done the insert because you can. */
+	      _rl_output_some_chars (nfd, lendiff);
+	      _rl_last_c_pos += col_lendiff;
+	    }
+	  else
+	    {
+	      /* We have horizontal scrolling and we are not inserting at
+		 the end.  We have invisible characters in this line.  This
+		 is a dumb update. */
+	      _rl_output_some_chars (nfd, temp);
+	      _rl_last_c_pos += col_temp;
+	      return;
+	    }
+	  /* Copy (new) chars to screen from first diff to last match. */
+	  temp = nls - nfd;
+	  if ((temp - lendiff) > 0)
+	    {
+	      _rl_output_some_chars (nfd + lendiff, temp - lendiff);
+#if 0
+	      _rl_last_c_pos += _rl_col_width (nfd+lendiff, 0, temp-lendiff) - col_lendiff;
+#else
+	      _rl_last_c_pos += _rl_col_width (nfd+lendiff, 0, temp-col_lendiff);
+#endif
+	    }
+	}
+      else
+	{
+	  /* cannot insert chars, write to EOL */
+	  _rl_output_some_chars (nfd, temp);
+	  _rl_last_c_pos += col_temp;
+	}
+    }
+  else				/* Delete characters from line. */
+    {
+      /* If possible and inexpensive to use terminal deletion, then do so. */
+      if (_rl_term_dc && (2 * col_temp) >= -col_lendiff)
+	{
+	  /* If all we're doing is erasing the invisible characters in the
+	     prompt string, don't bother.  It screws up the assumptions
+	     about what's on the screen. */
+	  if (_rl_horizontal_scroll_mode && _rl_last_c_pos == 0 &&
+	      -lendiff == visible_wrap_offset)
+	    col_lendiff = 0;
+
+	  if (col_lendiff)
+	    delete_chars (-col_lendiff); /* delete (diff) characters */
+
+	  /* Copy (new) chars to screen from first diff to last match */
+	  temp = nls - nfd;
+	  if (temp > 0)
+	    {
+	      _rl_output_some_chars (nfd, temp);
+	      _rl_last_c_pos += _rl_col_width (nfd, 0, temp);;
+	    }
+	}
+      /* Otherwise, print over the existing material. */
+      else
+	{
+	  if (temp > 0)
+	    {
+	      _rl_output_some_chars (nfd, temp);
+	      _rl_last_c_pos += col_temp;
+	    }
+	  lendiff = (oe - old) - (ne - new);
+	  if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	    col_lendiff = _rl_col_width (old, 0, oe - old) - _rl_col_width (new, 0, ne - new);
+	  else
+	    col_lendiff = lendiff;
+
+	  if (col_lendiff)
+	    {	  
+	      if (_rl_term_autowrap && current_line < inv_botlin)
+		space_to_eol (col_lendiff);
+	      else
+		_rl_clear_to_eol (col_lendiff);
+	    }
+	}
+    }
+}
+
+/* Tell the update routines that we have moved onto a new (empty) line. */
+int
+rl_on_new_line ()
+{
+  if (visible_line)
+    visible_line[0] = '\0';
+
+  _rl_last_c_pos = _rl_last_v_pos = 0;
+  _rl_vis_botlin = last_lmargin = 0;
+  if (vis_lbreaks)
+    vis_lbreaks[0] = vis_lbreaks[1] = 0;
+  visible_wrap_offset = 0;
+  return 0;
+}
+
+/* Tell the update routines that we have moved onto a new line with the
+   prompt already displayed.  Code originally from the version of readline
+   distributed with CLISP. */
+int
+rl_on_new_line_with_prompt ()
+{
+  int prompt_size, i, l, real_screenwidth, newlines;
+  char *prompt_last_line;
+
+  /* Initialize visible_line and invisible_line to ensure that they can hold
+     the already-displayed prompt. */
+  prompt_size = strlen (rl_prompt) + 1;
+  init_line_structures (prompt_size);
+
+  /* Make sure the line structures hold the already-displayed prompt for
+     redisplay. */
+  strcpy (visible_line, rl_prompt);
+  strcpy (invisible_line, rl_prompt);
+
+  /* If the prompt contains newlines, take the last tail. */
+  prompt_last_line = strrchr (rl_prompt, '\n');
+  if (!prompt_last_line)
+    prompt_last_line = rl_prompt;
+
+  l = strlen (prompt_last_line);
+  if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+    _rl_last_c_pos = _rl_col_width (prompt_last_line, 0, l);
+  else
+    _rl_last_c_pos = l;
+
+  /* Dissect prompt_last_line into screen lines. Note that here we have
+     to use the real screenwidth. Readline's notion of screenwidth might be
+     one less, see terminal.c. */
+  real_screenwidth = _rl_screenwidth + (_rl_term_autowrap ? 0 : 1);
+  _rl_last_v_pos = l / real_screenwidth;
+  /* If the prompt length is a multiple of real_screenwidth, we don't know
+     whether the cursor is at the end of the last line, or already at the
+     beginning of the next line. Output a newline just to be safe. */
+  if (l > 0 && (l % real_screenwidth) == 0)
+    _rl_output_some_chars ("\n", 1);
+  last_lmargin = 0;
+
+  newlines = 0; i = 0;
+  while (i <= l)
+    {
+      _rl_vis_botlin = newlines;
+      vis_lbreaks[newlines++] = i;
+      i += real_screenwidth;
+    }
+  vis_lbreaks[newlines] = l;
+  visible_wrap_offset = 0;
+
+  return 0;
+}
+
+/* Actually update the display, period. */
+int
+rl_forced_update_display ()
+{
+  if (visible_line)
+    {
+      register char *temp = visible_line;
+
+      while (*temp)
+	*temp++ = '\0';
+    }
+  rl_on_new_line ();
+  forced_display++;
+  (*rl_redisplay_function) ();
+  return 0;
+}
+
+/* Move the cursor from _rl_last_c_pos to NEW, which are buffer indices.
+   DATA is the contents of the screen line of interest; i.e., where
+   the movement is being done. */
+void
+_rl_move_cursor_relative (new, data)
+     int new;
+     const char *data;
+{
+  register int i;
+
+  /* If we don't have to do anything, then return. */
+#if defined (HANDLE_MULTIBYTE)
+  /* If we have multibyte characters, NEW is indexed by the buffer point in
+     a multibyte string, but _rl_last_c_pos is the display position.  In
+     this case, NEW's display position is not obvious. */
+  if ((MB_CUR_MAX == 1 || rl_byte_oriented ) && _rl_last_c_pos == new) return;
+#else
+  if (_rl_last_c_pos == new) return;
+#endif
+
+  /* It may be faster to output a CR, and then move forwards instead
+     of moving backwards. */
+  /* i == current physical cursor position. */
+  i = _rl_last_c_pos - W_OFFSET(_rl_last_v_pos, visible_wrap_offset);
+  if (new == 0 || CR_FASTER (new, _rl_last_c_pos) ||
+      (_rl_term_autowrap && i == _rl_screenwidth))
+    {
+#if defined (__MSDOS__)
+      putc ('\r', rl_outstream);
+#else
+      tputs (_rl_term_cr, 1, _rl_output_character_function);
+#endif /* !__MSDOS__ */
+      _rl_last_c_pos = 0;
+    }
+
+  if (_rl_last_c_pos < new)
+    {
+      /* Move the cursor forward.  We do it by printing the command
+	 to move the cursor forward if there is one, else print that
+	 portion of the output buffer again.  Which is cheaper? */
+
+      /* The above comment is left here for posterity.  It is faster
+	 to print one character (non-control) than to print a control
+	 sequence telling the terminal to move forward one character.
+	 That kind of control is for people who don't know what the
+	 data is underneath the cursor. */
+#if defined (HACK_TERMCAP_MOTION)
+      if (_rl_term_forward_char)
+	{
+	  if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	    {
+	      int width;
+	      width = _rl_col_width (data, _rl_last_c_pos, new);
+	      for (i = 0; i < width; i++)
+		tputs (_rl_term_forward_char, 1, _rl_output_character_function);
+	    }
+	  else
+	    {
+	      for (i = _rl_last_c_pos; i < new; i++)
+		tputs (_rl_term_forward_char, 1, _rl_output_character_function);
+	    }
+	}
+      else if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	{
+	  tputs (_rl_term_cr, 1, _rl_output_character_function);
+	  for (i = 0; i < new; i++)
+	    putc (data[i], rl_outstream);
+	}
+      else
+	for (i = _rl_last_c_pos; i < new; i++)
+	  putc (data[i], rl_outstream);
+
+#else /* !HACK_TERMCAP_MOTION */
+
+      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	{
+	  tputs (_rl_term_cr, 1, _rl_output_character_function);
+	  for (i = 0; i < new; i++)
+	    putc (data[i], rl_outstream);
+	}
+      else
+	for (i = _rl_last_c_pos; i < new; i++)
+	  putc (data[i], rl_outstream);
+
+#endif /* !HACK_TERMCAP_MOTION */
+
+    }
+#if defined (HANDLE_MULTIBYTE)
+  /* NEW points to the buffer point, but _rl_last_c_pos is the display point.
+     The byte length of the string is probably bigger than the column width
+     of the string, which means that if NEW == _rl_last_c_pos, then NEW's
+     display point is less than _rl_last_c_pos. */
+  else if (_rl_last_c_pos >= new)
+#else
+  else if (_rl_last_c_pos > new)
+#endif
+    {
+      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	{
+	  tputs (_rl_term_cr, 1, _rl_output_character_function);
+	  for (i = 0; i < new; i++)
+	    putc (data[i], rl_outstream);
+	}
+      else
+	_rl_backspace (_rl_last_c_pos - new);
+    }
+
+  if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+    _rl_last_c_pos =  _rl_col_width (data, 0, new);
+  else
+    _rl_last_c_pos = new;
+}
+
+/* PWP: move the cursor up or down. */
+void
+_rl_move_vert (to)
+     int to;
+{
+  register int delta, i;
+
+  if (_rl_last_v_pos == to || to > _rl_screenheight)
+    return;
+
+  if ((delta = to - _rl_last_v_pos) > 0)
+    {
+      for (i = 0; i < delta; i++)
+	putc ('\n', rl_outstream);
+#if defined (__MSDOS__)
+      putc ('\r', rl_outstream);
+#else
+      tputs (_rl_term_cr, 1, _rl_output_character_function);
+#endif
+      _rl_last_c_pos = 0;
+    }
+  else
+    {			/* delta < 0 */
+      if (_rl_term_up && *_rl_term_up)
+	for (i = 0; i < -delta; i++)
+	  tputs (_rl_term_up, 1, _rl_output_character_function);
+    }
+
+  _rl_last_v_pos = to;		/* Now TO is here */
+}
+
+/* Physically print C on rl_outstream.  This is for functions which know
+   how to optimize the display.  Return the number of characters output. */
+int
+rl_show_char (c)
+     int c;
+{
+  int n = 1;
+  if (META_CHAR (c) && (_rl_output_meta_chars == 0))
+    {
+      fprintf (rl_outstream, "M-");
+      n += 2;
+      c = UNMETA (c);
+    }
+
+#if defined (DISPLAY_TABS)
+  if ((CTRL_CHAR (c) && c != '\t') || c == RUBOUT)
+#else
+  if (CTRL_CHAR (c) || c == RUBOUT)
+#endif /* !DISPLAY_TABS */
+    {
+      fprintf (rl_outstream, "C-");
+      n += 2;
+      c = CTRL_CHAR (c) ? UNCTRL (c) : '?';
+    }
+
+  putc (c, rl_outstream);
+  fflush (rl_outstream);
+  return n;
+}
+
+int
+rl_character_len (c, pos)
+     register int c, pos;
+{
+  unsigned char uc;
+
+  uc = (unsigned char)c;
+
+  if (META_CHAR (uc))
+    return ((_rl_output_meta_chars == 0) ? 4 : 1);
+
+  if (uc == '\t')
+    {
+#if defined (DISPLAY_TABS)
+      return (((pos | 7) + 1) - pos);
+#else
+      return (2);
+#endif /* !DISPLAY_TABS */
+    }
+
+  if (CTRL_CHAR (c) || c == RUBOUT)
+    return (2);
+
+  return ((ISPRINT (uc)) ? 1 : 2);
+}
+
+/* How to print things in the "echo-area".  The prompt is treated as a
+   mini-modeline. */
+
+#if defined (USE_VARARGS)
+int
+#if defined (PREFER_STDARG)
+rl_message (const char *format, ...)
+#else
+rl_message (va_alist)
+     va_dcl
+#endif
+{
+  va_list args;
+#if defined (PREFER_VARARGS)
+  char *format;
+#endif
+
+#if defined (PREFER_STDARG)
+  va_start (args, format);
+#else
+  va_start (args);
+  format = va_arg (args, char *);
+#endif
+
+#if defined (HAVE_VSNPRINTF)
+  vsnprintf (msg_buf, sizeof (msg_buf) - 1, format, args);
+#else
+  vsprintf (msg_buf, format, args);
+  msg_buf[sizeof(msg_buf) - 1] = '\0';	/* overflow? */
+#endif
+  va_end (args);
+
+  rl_display_prompt = msg_buf;
+  (*rl_redisplay_function) ();
+  return 0;
+}
+#else /* !USE_VARARGS */
+int
+rl_message (format, arg1, arg2)
+     char *format;
+{
+  sprintf (msg_buf, format, arg1, arg2);
+  msg_buf[sizeof(msg_buf) - 1] = '\0';	/* overflow? */
+  rl_display_prompt = msg_buf;
+  (*rl_redisplay_function) ();
+  return 0;
+}
+#endif /* !USE_VARARGS */
+
+/* How to clear things from the "echo-area". */
+int
+rl_clear_message ()
+{
+  rl_display_prompt = rl_prompt;
+  (*rl_redisplay_function) ();
+  return 0;
+}
+
+int
+rl_reset_line_state ()
+{
+  rl_on_new_line ();
+
+  rl_display_prompt = rl_prompt ? rl_prompt : "";
+  forced_display = 1;
+  return 0;
+}
+
+static char *saved_local_prompt;
+static char *saved_local_prefix;
+static int saved_last_invisible;
+static int saved_visible_length;
+
+void
+rl_save_prompt ()
+{
+  saved_local_prompt = local_prompt;
+  saved_local_prefix = local_prompt_prefix;
+  saved_last_invisible = prompt_last_invisible;
+  saved_visible_length = prompt_visible_length;
+
+  local_prompt = local_prompt_prefix = (char *)0;
+  prompt_last_invisible = prompt_visible_length = 0;
+}
+
+void
+rl_restore_prompt ()
+{
+  FREE (local_prompt);
+  FREE (local_prompt_prefix);
+
+  local_prompt = saved_local_prompt;
+  local_prompt_prefix = saved_local_prefix;
+  prompt_last_invisible = saved_last_invisible;
+  prompt_visible_length = saved_visible_length;
+}
+
+char *
+_rl_make_prompt_for_search (pchar)
+     int pchar;
+{
+  int len;
+  char *pmt;
+
+  rl_save_prompt ();
+
+  if (saved_local_prompt == 0)
+    {
+      len = (rl_prompt && *rl_prompt) ? strlen (rl_prompt) : 0;
+      pmt = (char *)xmalloc (len + 2);
+      if (len)
+	strcpy (pmt, rl_prompt);
+      pmt[len] = pchar;
+      pmt[len+1] = '\0';
+    }
+  else
+    {
+      len = *saved_local_prompt ? strlen (saved_local_prompt) : 0;
+      pmt = (char *)xmalloc (len + 2);
+      if (len)
+	strcpy (pmt, saved_local_prompt);
+      pmt[len] = pchar;
+      pmt[len+1] = '\0';
+      local_prompt = savestring (pmt);
+      prompt_last_invisible = saved_last_invisible;
+      prompt_visible_length = saved_visible_length + 1;
+    }
+  return pmt;
+}
+
+/* Quick redisplay hack when erasing characters at the end of the line. */
+void
+_rl_erase_at_end_of_line (l)
+     int l;
+{
+  register int i;
+
+  _rl_backspace (l);
+  for (i = 0; i < l; i++)
+    putc (' ', rl_outstream);
+  _rl_backspace (l);
+  for (i = 0; i < l; i++)
+    visible_line[--_rl_last_c_pos] = '\0';
+  rl_display_fixed++;
+}
+
+/* Clear to the end of the line.  COUNT is the minimum
+   number of character spaces to clear, */
+void
+_rl_clear_to_eol (count)
+     int count;
+{
+  if (_rl_term_clreol)
+    tputs (_rl_term_clreol, 1, _rl_output_character_function);
+  else if (count)
+    space_to_eol (count);
+}
+
+/* Clear to the end of the line using spaces.  COUNT is the minimum
+   number of character spaces to clear, */
+static void
+space_to_eol (count)
+     int count;
+{
+  register int i;
+
+  for (i = 0; i < count; i++)
+   putc (' ', rl_outstream);
+
+  _rl_last_c_pos += count;
+}
+
+void
+_rl_clear_screen ()
+{
+  if (_rl_term_clrpag)
+    tputs (_rl_term_clrpag, 1, _rl_output_character_function);
+  else
+    rl_crlf ();
+}
+
+/* Insert COUNT characters from STRING to the output stream at column COL. */
+static void
+insert_some_chars (string, count, col)
+     char *string;
+     int count, col;
+{
+  /* DEBUGGING */
+  if (MB_CUR_MAX == 1 || rl_byte_oriented)
+    if (count != col)
+      fprintf(stderr, "readline: debug: insert_some_chars: count (%d) != col (%d)\n", count, col);
+
+  /* If IC is defined, then we do not have to "enter" insert mode. */
+  if (_rl_term_IC)
+    {
+      char *buffer;
+
+      buffer = tgoto (_rl_term_IC, 0, col);
+      tputs (buffer, 1, _rl_output_character_function);
+      _rl_output_some_chars (string, count);
+    }
+  else
+    {
+      register int i;
+
+      /* If we have to turn on insert-mode, then do so. */
+      if (_rl_term_im && *_rl_term_im)
+	tputs (_rl_term_im, 1, _rl_output_character_function);
+
+      /* If there is a special command for inserting characters, then
+	 use that first to open up the space. */
+      if (_rl_term_ic && *_rl_term_ic)
+	{
+	  for (i = col; i--; )
+	    tputs (_rl_term_ic, 1, _rl_output_character_function);
+	}
+
+      /* Print the text. */
+      _rl_output_some_chars (string, count);
+
+      /* If there is a string to turn off insert mode, we had best use
+	 it now. */
+      if (_rl_term_ei && *_rl_term_ei)
+	tputs (_rl_term_ei, 1, _rl_output_character_function);
+    }
+}
+
+/* Delete COUNT characters from the display line. */
+static void
+delete_chars (count)
+     int count;
+{
+  if (count > _rl_screenwidth)	/* XXX */
+    return;
+
+  if (_rl_term_DC && *_rl_term_DC)
+    {
+      char *buffer;
+      buffer = tgoto (_rl_term_DC, count, count);
+      tputs (buffer, count, _rl_output_character_function);
+    }
+  else
+    {
+      if (_rl_term_dc && *_rl_term_dc)
+	while (count--)
+	  tputs (_rl_term_dc, 1, _rl_output_character_function);
+    }
+}
+
+void
+_rl_update_final ()
+{
+  int full_lines;
+
+  full_lines = 0;
+  /* If the cursor is the only thing on an otherwise-blank last line,
+     compensate so we don't print an extra CRLF. */
+  if (_rl_vis_botlin && _rl_last_c_pos == 0 &&
+	visible_line[vis_lbreaks[_rl_vis_botlin]] == 0)
+    {
+      _rl_vis_botlin--;
+      full_lines = 1;
+    }
+  _rl_move_vert (_rl_vis_botlin);
+  /* If we've wrapped lines, remove the final xterm line-wrap flag. */
+  if (full_lines && _rl_term_autowrap && (VIS_LLEN(_rl_vis_botlin) == _rl_screenwidth))
+    {
+      char *last_line;
+
+      last_line = &visible_line[vis_lbreaks[_rl_vis_botlin]];
+      _rl_move_cursor_relative (_rl_screenwidth - 1, last_line);
+      _rl_clear_to_eol (0);
+      putc (last_line[_rl_screenwidth - 1], rl_outstream);
+    }
+  _rl_vis_botlin = 0;
+  rl_crlf ();
+  fflush (rl_outstream);
+  rl_display_fixed++;
+}
+
+/* Move to the start of the current line. */
+static void
+cr ()
+{
+  if (_rl_term_cr)
+    {
+#if defined (__MSDOS__)
+      putc ('\r', rl_outstream);
+#else
+      tputs (_rl_term_cr, 1, _rl_output_character_function);
+#endif
+      _rl_last_c_pos = 0;
+    }
+}
+
+/* Redraw the last line of a multi-line prompt that may possibly contain
+   terminal escape sequences.  Called with the cursor at column 0 of the
+   line to draw the prompt on. */
+static void
+redraw_prompt (t)
+     char *t;
+{
+  char *oldp, *oldl, *oldlprefix;
+  int oldlen, oldlast, oldplen, oldninvis;
+
+  /* Geez, I should make this a struct. */
+  oldp = rl_display_prompt;
+  oldl = local_prompt;
+  oldlprefix = local_prompt_prefix;
+  oldlen = prompt_visible_length;
+  oldplen = prompt_prefix_length;
+  oldlast = prompt_last_invisible;
+  oldninvis = prompt_invis_chars_first_line;
+
+  rl_display_prompt = t;
+  local_prompt = expand_prompt (t, &prompt_visible_length,
+				   &prompt_last_invisible,
+				   &prompt_invis_chars_first_line);
+  local_prompt_prefix = (char *)NULL;
+  rl_forced_update_display ();
+
+  rl_display_prompt = oldp;
+  local_prompt = oldl;
+  local_prompt_prefix = oldlprefix;
+  prompt_visible_length = oldlen;
+  prompt_prefix_length = oldplen;
+  prompt_last_invisible = oldlast;
+  prompt_invis_chars_first_line = oldninvis;
+}
+      
+/* Redisplay the current line after a SIGWINCH is received. */
+void
+_rl_redisplay_after_sigwinch ()
+{
+  char *t;
+
+  /* Clear the current line and put the cursor at column 0.  Make sure
+     the right thing happens if we have wrapped to a new screen line. */
+  if (_rl_term_cr)
+    {
+#if defined (__MSDOS__)
+      putc ('\r', rl_outstream);
+#else
+      tputs (_rl_term_cr, 1, _rl_output_character_function);
+#endif
+      _rl_last_c_pos = 0;
+#if defined (__MSDOS__)
+      space_to_eol (_rl_screenwidth);
+      putc ('\r', rl_outstream);
+#else
+      if (_rl_term_clreol)
+	tputs (_rl_term_clreol, 1, _rl_output_character_function);
+      else
+	{
+	  space_to_eol (_rl_screenwidth);
+	  tputs (_rl_term_cr, 1, _rl_output_character_function);
+	}
+#endif
+      if (_rl_last_v_pos > 0)
+	_rl_move_vert (0);
+    }
+  else
+    rl_crlf ();
+
+  /* Redraw only the last line of a multi-line prompt. */
+  t = strrchr (rl_display_prompt, '\n');
+  if (t)
+    redraw_prompt (++t);
+  else
+    rl_forced_update_display ();
+}
+
+void
+_rl_clean_up_for_exit ()
+{
+  if (readline_echoing_p)
+    {
+      _rl_move_vert (_rl_vis_botlin);
+      _rl_vis_botlin = 0;
+      fflush (rl_outstream);
+      rl_restart_output (1, 0);
+    }
+}
+
+void
+_rl_erase_entire_line ()
+{
+  cr ();
+  _rl_clear_to_eol (0);
+  cr ();
+  fflush (rl_outstream);
+}
+
+/* return the `current display line' of the cursor -- the number of lines to
+   move up to get to the first screen line of the current readline line. */
+int
+_rl_current_display_line ()
+{
+  int ret, nleft;
+
+  /* Find out whether or not there might be invisible characters in the
+     editing buffer. */
+  if (rl_display_prompt == rl_prompt)
+    nleft = _rl_last_c_pos - _rl_screenwidth - rl_visible_prompt_length;
+  else
+    nleft = _rl_last_c_pos - _rl_screenwidth;
+
+  if (nleft > 0)
+    ret = 1 + nleft / _rl_screenwidth;
+  else
+    ret = 0;
+
+  return ret;
+}
+
+#if defined (HANDLE_MULTIBYTE)
+/* Calculate the number of screen columns occupied by STR from START to END.
+   In the case of multibyte characters with stateful encoding, we have to
+   scan from the beginning of the string to take the state into account. */
+static int
+_rl_col_width (str, start, end)
+     char *str;
+     int start, end;
+{
+  wchar_t wc;
+  mbstate_t ps = {0};
+  int tmp, point, width, max;
+
+  if (end <= start)
+    return 0;
+
+  point = 0;
+  max = end;
+
+  while (point < start)
+    {
+      tmp = mbrlen (str + point, max, &ps);
+      if ((size_t)tmp == (size_t)-1 || (size_t)tmp == (size_t)-2)
+	{
+	  /* In this case, the bytes are invalid or too short to compose a
+	     multibyte character, so we assume that the first byte represents
+	     a single character. */
+	  point++;
+	  max--;
+
+	  /* Clear the state of the byte sequence, because in this case the
+	     effect of mbstate is undefined. */
+	  memset (&ps, 0, sizeof (mbstate_t));
+	}
+      else if (tmp == 0)
+        break;		/* Found '\0' */
+      else
+	{
+	  point += tmp;
+	  max -= tmp;
+	}
+    }
+
+  /* If START is not a byte that starts a character, then POINT will be
+     greater than START.  In this case, assume that (POINT - START) gives
+     a byte count that is the number of columns of difference. */
+  width = point - start;
+
+  while (point < end)
+    {
+      tmp = mbrtowc (&wc, str + point, max, &ps);
+      if ((size_t)tmp == (size_t)-1 || (size_t)tmp == (size_t)-2)
+	{
+	  /* In this case, the bytes are invalid or too short to compose a
+	     multibyte character, so we assume that the first byte represents
+	     a single character. */
+	  point++;
+	  max--;
+
+	  /* and assume that the byte occupies a single column. */
+	  width++;
+
+	  /* Clear the state of the byte sequence, because in this case the
+	     effect of mbstate is undefined. */
+	  memset (&ps, 0, sizeof (mbstate_t));
+	}
+      else if (tmp == 0)
+        break;			/* Found '\0' */
+      else
+	{
+	  point += tmp;
+	  max -= tmp;
+	  tmp = wcwidth(wc);
+	  width += (tmp >= 0) ? tmp : 1;
+	}
+    }
+
+  width += point - end;
+
+  return width;
+}
+#endif /* HANDLE_MULTIBYTE */
+	  
diff --git a/readline-4.3.orig/emacs_keymap.c b/readline-4.3.orig/emacs_keymap.c
new file mode 100644
index 0000000..ca9d134
--- /dev/null
+++ b/readline-4.3.orig/emacs_keymap.c
@@ -0,0 +1,873 @@
+/* emacs_keymap.c -- the keymap for emacs_mode in readline (). */
+
+/* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc.
+
+   This file is part of the GNU Readline Library, a library for
+   reading lines of text with interactive input and history editing.
+
+   The GNU Readline Library is free software; you can redistribute it
+   and/or modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2, or
+   (at your option) any later version.
+
+   The GNU Readline Library is distributed in the hope that it will be
+   useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   The GNU General Public License is often shipped with GNU software, and
+   is generally kept in a file called COPYING or LICENSE.  If you do not
+   have a copy of the license, write to the Free Software Foundation,
+   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+
+#if !defined (BUFSIZ)
+#include <stdio.h>
+#endif /* !BUFSIZ */
+
+#include "readline.h"
+
+/* An array of function pointers, one for each possible key.
+   If the type byte is ISKMAP, then the pointer is the address of
+   a keymap. */
+
+KEYMAP_ENTRY_ARRAY emacs_standard_keymap = {
+
+  /* Control keys. */
+  { ISFUNC, rl_set_mark },			/* Control-@ */
+  { ISFUNC, rl_beg_of_line },			/* Control-a */
+  { ISFUNC, rl_backward_char },			/* Control-b */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-c */
+  { ISFUNC, rl_delete },			/* Control-d */
+  { ISFUNC, rl_end_of_line },			/* Control-e */
+  { ISFUNC, rl_forward_char },			/* Control-f */
+  { ISFUNC, rl_abort },				/* Control-g */
+  { ISFUNC, rl_rubout },			/* Control-h */
+  { ISFUNC, rl_complete },			/* Control-i */
+  { ISFUNC, rl_newline },			/* Control-j */
+  { ISFUNC, rl_kill_line },			/* Control-k */
+  { ISFUNC, rl_clear_screen },			/* Control-l */
+  { ISFUNC, rl_newline },			/* Control-m */
+  { ISFUNC, rl_get_next_history },		/* Control-n */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-o */
+  { ISFUNC, rl_get_previous_history },		/* Control-p */
+  { ISFUNC, rl_quoted_insert },			/* Control-q */
+  { ISFUNC, rl_reverse_search_history },	/* Control-r */
+  { ISFUNC, rl_forward_search_history },	/* Control-s */
+  { ISFUNC, rl_transpose_chars },		/* Control-t */
+  { ISFUNC, rl_unix_line_discard },		/* Control-u */
+  { ISFUNC, rl_quoted_insert },			/* Control-v */
+  { ISFUNC, rl_unix_word_rubout },		/* Control-w */
+  { ISKMAP, (rl_command_func_t *)emacs_ctlx_keymap },	/* Control-x */
+  { ISFUNC, rl_yank },				/* Control-y */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-z */
+  { ISKMAP, (rl_command_func_t *)emacs_meta_keymap }, /* Control-[ */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-\ */
+  { ISFUNC, rl_char_search },			/* Control-] */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-^ */
+  { ISFUNC, rl_undo_command },			/* Control-_ */
+
+  /* The start of printing characters. */
+  { ISFUNC, rl_insert },		/* SPACE */
+  { ISFUNC, rl_insert },		/* ! */
+  { ISFUNC, rl_insert },		/* " */
+  { ISFUNC, rl_insert },		/* # */
+  { ISFUNC, rl_insert },		/* $ */
+  { ISFUNC, rl_insert },		/* % */
+  { ISFUNC, rl_insert },		/* & */
+  { ISFUNC, rl_insert },		/* ' */
+  { ISFUNC, rl_insert },		/* ( */
+  { ISFUNC, rl_insert },		/* ) */
+  { ISFUNC, rl_insert },		/* * */
+  { ISFUNC, rl_insert },		/* + */
+  { ISFUNC, rl_insert },		/* , */
+  { ISFUNC, rl_insert },		/* - */
+  { ISFUNC, rl_insert },		/* . */
+  { ISFUNC, rl_insert },		/* / */
+	
+	  /* Regular digits. */
+  { ISFUNC, rl_insert },		/* 0 */
+  { ISFUNC, rl_insert },		/* 1 */
+  { ISFUNC, rl_insert },		/* 2 */
+  { ISFUNC, rl_insert },		/* 3 */
+  { ISFUNC, rl_insert },		/* 4 */
+  { ISFUNC, rl_insert },		/* 5 */
+  { ISFUNC, rl_insert },		/* 6 */
+  { ISFUNC, rl_insert },		/* 7 */
+  { ISFUNC, rl_insert },		/* 8 */
+  { ISFUNC, rl_insert },		/* 9 */
+
+  /* A little more punctuation. */
+  { ISFUNC, rl_insert },		/* : */
+  { ISFUNC, rl_insert },		/* ; */
+  { ISFUNC, rl_insert },		/* < */
+  { ISFUNC, rl_insert },		/* = */
+  { ISFUNC, rl_insert },		/* > */
+  { ISFUNC, rl_insert },		/* ? */
+  { ISFUNC, rl_insert },		/* @ */
+
+  /* Uppercase alphabet. */
+  { ISFUNC, rl_insert },		/* A */
+  { ISFUNC, rl_insert },		/* B */
+  { ISFUNC, rl_insert },		/* C */
+  { ISFUNC, rl_insert },		/* D */
+  { ISFUNC, rl_insert },		/* E */
+  { ISFUNC, rl_insert },		/* F */
+  { ISFUNC, rl_insert },		/* G */
+  { ISFUNC, rl_insert },		/* H */
+  { ISFUNC, rl_insert },		/* I */
+  { ISFUNC, rl_insert },		/* J */
+  { ISFUNC, rl_insert },		/* K */
+  { ISFUNC, rl_insert },		/* L */
+  { ISFUNC, rl_insert },		/* M */
+  { ISFUNC, rl_insert },		/* N */
+  { ISFUNC, rl_insert },		/* O */
+  { ISFUNC, rl_insert },		/* P */
+  { ISFUNC, rl_insert },		/* Q */
+  { ISFUNC, rl_insert },		/* R */
+  { ISFUNC, rl_insert },		/* S */
+  { ISFUNC, rl_insert },		/* T */
+  { ISFUNC, rl_insert },		/* U */
+  { ISFUNC, rl_insert },		/* V */
+  { ISFUNC, rl_insert },		/* W */
+  { ISFUNC, rl_insert },		/* X */
+  { ISFUNC, rl_insert },		/* Y */
+  { ISFUNC, rl_insert },		/* Z */
+
+  /* Some more punctuation. */
+  { ISFUNC, rl_insert },		/* [ */
+  { ISFUNC, rl_insert },		/* \ */
+  { ISFUNC, rl_insert },		/* ] */
+  { ISFUNC, rl_insert },		/* ^ */
+  { ISFUNC, rl_insert },		/* _ */
+  { ISFUNC, rl_insert },		/* ` */
+
+  /* Lowercase alphabet. */
+  { ISFUNC, rl_insert },		/* a */
+  { ISFUNC, rl_insert },		/* b */
+  { ISFUNC, rl_insert },		/* c */
+  { ISFUNC, rl_insert },		/* d */
+  { ISFUNC, rl_insert },		/* e */
+  { ISFUNC, rl_insert },		/* f */
+  { ISFUNC, rl_insert },		/* g */
+  { ISFUNC, rl_insert },		/* h */
+  { ISFUNC, rl_insert },		/* i */
+  { ISFUNC, rl_insert },		/* j */
+  { ISFUNC, rl_insert },		/* k */
+  { ISFUNC, rl_insert },		/* l */
+  { ISFUNC, rl_insert },		/* m */
+  { ISFUNC, rl_insert },		/* n */
+  { ISFUNC, rl_insert },		/* o */
+  { ISFUNC, rl_insert },		/* p */
+  { ISFUNC, rl_insert },		/* q */
+  { ISFUNC, rl_insert },		/* r */
+  { ISFUNC, rl_insert },		/* s */
+  { ISFUNC, rl_insert },		/* t */
+  { ISFUNC, rl_insert },		/* u */
+  { ISFUNC, rl_insert },		/* v */
+  { ISFUNC, rl_insert },		/* w */
+  { ISFUNC, rl_insert },		/* x */
+  { ISFUNC, rl_insert },		/* y */
+  { ISFUNC, rl_insert },		/* z */
+
+  /* Final punctuation. */
+  { ISFUNC, rl_insert },		/* { */
+  { ISFUNC, rl_insert },		/* | */
+  { ISFUNC, rl_insert },		/* } */
+  { ISFUNC, rl_insert },		/* ~ */
+  { ISFUNC, rl_rubout },		/* RUBOUT */
+
+#if KEYMAP_SIZE > 128
+  /* Pure 8-bit characters (128 - 159).
+     These might be used in some
+     character sets. */
+  { ISFUNC, rl_insert },		/* ? */
+  { ISFUNC, rl_insert },		/* ? */
+  { ISFUNC, rl_insert },		/* ? */
+  { ISFUNC, rl_insert },		/* ? */
+  { ISFUNC, rl_insert },		/* ? */
+  { ISFUNC, rl_insert },		/* ? */
+  { ISFUNC, rl_insert },		/* ? */
+  { ISFUNC, rl_insert },		/* ? */
+  { ISFUNC, rl_insert },		/* ? */
+  { ISFUNC, rl_insert },		/* ? */
+  { ISFUNC, rl_insert },		/* ? */
+  { ISFUNC, rl_insert },		/* ? */
+  { ISFUNC, rl_insert },		/* ? */
+  { ISFUNC, rl_insert },		/* ? */
+  { ISFUNC, rl_insert },		/* ? */
+  { ISFUNC, rl_insert },		/* ? */
+  { ISFUNC, rl_insert },		/* ? */
+  { ISFUNC, rl_insert },		/* ? */
+  { ISFUNC, rl_insert },		/* ? */
+  { ISFUNC, rl_insert },		/* ? */
+  { ISFUNC, rl_insert },		/* ? */
+  { ISFUNC, rl_insert },		/* ? */
+  { ISFUNC, rl_insert },		/* ? */
+  { ISFUNC, rl_insert },		/* ? */
+  { ISFUNC, rl_insert },		/* ? */
+  { ISFUNC, rl_insert },		/* ? */
+  { ISFUNC, rl_insert },		/* ? */
+  { ISFUNC, rl_insert },		/* ? */
+  { ISFUNC, rl_insert },		/* ? */
+  { ISFUNC, rl_insert },		/* ? */
+  { ISFUNC, rl_insert },		/* ? */
+  { ISFUNC, rl_insert },		/* ? */
+
+  /* ISO Latin-1 characters (160 - 255) */
+  { ISFUNC, rl_insert },	/* No-break space */
+  { ISFUNC, rl_insert },	/* Inverted exclamation mark */
+  { ISFUNC, rl_insert },	/* Cent sign */
+  { ISFUNC, rl_insert },	/* Pound sign */
+  { ISFUNC, rl_insert },	/* Currency sign */
+  { ISFUNC, rl_insert },	/* Yen sign */
+  { ISFUNC, rl_insert },	/* Broken bar */
+  { ISFUNC, rl_insert },	/* Section sign */
+  { ISFUNC, rl_insert },	/* Diaeresis */
+  { ISFUNC, rl_insert },	/* Copyright sign */
+  { ISFUNC, rl_insert },	/* Feminine ordinal indicator */
+  { ISFUNC, rl_insert },	/* Left pointing double angle quotation mark */
+  { ISFUNC, rl_insert },	/* Not sign */
+  { ISFUNC, rl_insert },	/* Soft hyphen */
+  { ISFUNC, rl_insert },	/* Registered sign */
+  { ISFUNC, rl_insert },	/* Macron */
+  { ISFUNC, rl_insert },	/* Degree sign */
+  { ISFUNC, rl_insert },	/* Plus-minus sign */
+  { ISFUNC, rl_insert },	/* Superscript two */
+  { ISFUNC, rl_insert },	/* Superscript three */
+  { ISFUNC, rl_insert },	/* Acute accent */
+  { ISFUNC, rl_insert },	/* Micro sign */
+  { ISFUNC, rl_insert },	/* Pilcrow sign */
+  { ISFUNC, rl_insert },	/* Middle dot */
+  { ISFUNC, rl_insert },	/* Cedilla */
+  { ISFUNC, rl_insert },	/* Superscript one */
+  { ISFUNC, rl_insert },	/* Masculine ordinal indicator */
+  { ISFUNC, rl_insert },	/* Right pointing double angle quotation mark */
+  { ISFUNC, rl_insert },	/* Vulgar fraction one quarter */
+  { ISFUNC, rl_insert },	/* Vulgar fraction one half */
+  { ISFUNC, rl_insert },	/* Vulgar fraction three quarters */
+  { ISFUNC, rl_insert },	/* Inverted questionk mark */
+  { ISFUNC, rl_insert },	/* Latin capital letter a with grave */
+  { ISFUNC, rl_insert },	/* Latin capital letter a with acute */
+  { ISFUNC, rl_insert },	/* Latin capital letter a with circumflex */
+  { ISFUNC, rl_insert },	/* Latin capital letter a with tilde */
+  { ISFUNC, rl_insert },	/* Latin capital letter a with diaeresis */
+  { ISFUNC, rl_insert },	/* Latin capital letter a with ring above */
+  { ISFUNC, rl_insert },	/* Latin capital letter ae */
+  { ISFUNC, rl_insert },	/* Latin capital letter c with cedilla */
+  { ISFUNC, rl_insert },	/* Latin capital letter e with grave */
+  { ISFUNC, rl_insert },	/* Latin capital letter e with acute */
+  { ISFUNC, rl_insert },	/* Latin capital letter e with circumflex */
+  { ISFUNC, rl_insert },	/* Latin capital letter e with diaeresis */
+  { ISFUNC, rl_insert },	/* Latin capital letter i with grave */
+  { ISFUNC, rl_insert },	/* Latin capital letter i with acute */
+  { ISFUNC, rl_insert },	/* Latin capital letter i with circumflex */
+  { ISFUNC, rl_insert },	/* Latin capital letter i with diaeresis */
+  { ISFUNC, rl_insert },	/* Latin capital letter eth (Icelandic) */
+  { ISFUNC, rl_insert },	/* Latin capital letter n with tilde */
+  { ISFUNC, rl_insert },	/* Latin capital letter o with grave */
+  { ISFUNC, rl_insert },	/* Latin capital letter o with acute */
+  { ISFUNC, rl_insert },	/* Latin capital letter o with circumflex */
+  { ISFUNC, rl_insert },	/* Latin capital letter o with tilde */
+  { ISFUNC, rl_insert },	/* Latin capital letter o with diaeresis */
+  { ISFUNC, rl_insert },	/* Multiplication sign */
+  { ISFUNC, rl_insert },	/* Latin capital letter o with stroke */
+  { ISFUNC, rl_insert },	/* Latin capital letter u with grave */
+  { ISFUNC, rl_insert },	/* Latin capital letter u with acute */
+  { ISFUNC, rl_insert },	/* Latin capital letter u with circumflex */
+  { ISFUNC, rl_insert },	/* Latin capital letter u with diaeresis */
+  { ISFUNC, rl_insert },	/* Latin capital letter Y with acute */
+  { ISFUNC, rl_insert },	/* Latin capital letter thorn (Icelandic) */
+  { ISFUNC, rl_insert },	/* Latin small letter sharp s (German) */
+  { ISFUNC, rl_insert },	/* Latin small letter a with grave */
+  { ISFUNC, rl_insert },	/* Latin small letter a with acute */
+  { ISFUNC, rl_insert },	/* Latin small letter a with circumflex */
+  { ISFUNC, rl_insert },	/* Latin small letter a with tilde */
+  { ISFUNC, rl_insert },	/* Latin small letter a with diaeresis */
+  { ISFUNC, rl_insert },	/* Latin small letter a with ring above */
+  { ISFUNC, rl_insert },	/* Latin small letter ae */
+  { ISFUNC, rl_insert },	/* Latin small letter c with cedilla */
+  { ISFUNC, rl_insert },	/* Latin small letter e with grave */
+  { ISFUNC, rl_insert },	/* Latin small letter e with acute */
+  { ISFUNC, rl_insert },	/* Latin small letter e with circumflex */
+  { ISFUNC, rl_insert },	/* Latin small letter e with diaeresis */
+  { ISFUNC, rl_insert },	/* Latin small letter i with grave */
+  { ISFUNC, rl_insert },	/* Latin small letter i with acute */
+  { ISFUNC, rl_insert },	/* Latin small letter i with circumflex */
+  { ISFUNC, rl_insert },	/* Latin small letter i with diaeresis */
+  { ISFUNC, rl_insert },	/* Latin small letter eth (Icelandic) */
+  { ISFUNC, rl_insert },	/* Latin small letter n with tilde */
+  { ISFUNC, rl_insert },	/* Latin small letter o with grave */
+  { ISFUNC, rl_insert },	/* Latin small letter o with acute */
+  { ISFUNC, rl_insert },	/* Latin small letter o with circumflex */
+  { ISFUNC, rl_insert },	/* Latin small letter o with tilde */
+  { ISFUNC, rl_insert },	/* Latin small letter o with diaeresis */
+  { ISFUNC, rl_insert },	/* Division sign */
+  { ISFUNC, rl_insert },	/* Latin small letter o with stroke */
+  { ISFUNC, rl_insert },	/* Latin small letter u with grave */
+  { ISFUNC, rl_insert },	/* Latin small letter u with acute */
+  { ISFUNC, rl_insert },	/* Latin small letter u with circumflex */
+  { ISFUNC, rl_insert },	/* Latin small letter u with diaeresis */
+  { ISFUNC, rl_insert },	/* Latin small letter y with acute */
+  { ISFUNC, rl_insert },	/* Latin small letter thorn (Icelandic) */
+  { ISFUNC, rl_insert }		/* Latin small letter y with diaeresis */
+#endif /* KEYMAP_SIZE > 128 */
+};
+
+KEYMAP_ENTRY_ARRAY emacs_meta_keymap = {
+
+  /* Meta keys.  Just like above, but the high bit is set. */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-Control-@ */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-Control-a */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-Control-b */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-Control-c */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-Control-d */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-Control-e */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-Control-f */
+  { ISFUNC, rl_abort },			/* Meta-Control-g */
+  { ISFUNC, rl_backward_kill_word },	/* Meta-Control-h */
+  { ISFUNC, rl_tab_insert },		/* Meta-Control-i */
+  { ISFUNC, rl_vi_editing_mode },	/* Meta-Control-j */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-Control-k */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-Control-l */
+  { ISFUNC, rl_vi_editing_mode }, 	/* Meta-Control-m */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-Control-n */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-Control-o */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-Control-p */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-Control-q */
+  { ISFUNC, rl_revert_line },		/* Meta-Control-r */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-Control-s */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-Control-t */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-Control-u */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-Control-v */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-Control-w */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-Control-x */
+  { ISFUNC, rl_yank_nth_arg },		/* Meta-Control-y */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-Control-z */
+
+  { ISFUNC, rl_complete },		/* Meta-Control-[ */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-Control-\ */
+  { ISFUNC, rl_backward_char_search },	/* Meta-Control-] */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-Control-^ */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-Control-_ */
+
+  /* The start of printing characters. */
+  { ISFUNC, rl_set_mark },		/* Meta-SPACE */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-! */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-" */
+  { ISFUNC, rl_insert_comment },	/* Meta-# */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-$ */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-% */
+  { ISFUNC, rl_tilde_expand },		/* Meta-& */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-' */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-( */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-) */
+  { ISFUNC, rl_insert_completions },	/* Meta-* */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-+ */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-, */
+  { ISFUNC, rl_digit_argument }, 	/* Meta-- */
+  { ISFUNC, rl_yank_last_arg},		/* Meta-. */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-/ */
+
+  /* Regular digits. */
+  { ISFUNC, rl_digit_argument }, 	/* Meta-0 */
+  { ISFUNC, rl_digit_argument }, 	/* Meta-1 */
+  { ISFUNC, rl_digit_argument }, 	/* Meta-2 */
+  { ISFUNC, rl_digit_argument }, 	/* Meta-3 */
+  { ISFUNC, rl_digit_argument }, 	/* Meta-4 */
+  { ISFUNC, rl_digit_argument }, 	/* Meta-5 */
+  { ISFUNC, rl_digit_argument }, 	/* Meta-6 */
+  { ISFUNC, rl_digit_argument }, 	/* Meta-7 */
+  { ISFUNC, rl_digit_argument }, 	/* Meta-8 */
+  { ISFUNC, rl_digit_argument }, 	/* Meta-9 */
+
+  /* A little more punctuation. */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-: */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-; */
+  { ISFUNC, rl_beginning_of_history },	/* Meta-< */
+  { ISFUNC, rl_possible_completions },	/* Meta-= */
+  { ISFUNC, rl_end_of_history },	/* Meta-> */
+  { ISFUNC, rl_possible_completions },	/* Meta-? */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-@ */
+
+  /* Uppercase alphabet. */
+  { ISFUNC, rl_do_lowercase_version },	/* Meta-A */
+  { ISFUNC, rl_do_lowercase_version },	/* Meta-B */
+  { ISFUNC, rl_do_lowercase_version },	/* Meta-C */
+  { ISFUNC, rl_do_lowercase_version },	/* Meta-D */
+  { ISFUNC, rl_do_lowercase_version },	/* Meta-E */
+  { ISFUNC, rl_do_lowercase_version },	/* Meta-F */
+  { ISFUNC, rl_do_lowercase_version },	/* Meta-G */
+  { ISFUNC, rl_do_lowercase_version },	/* Meta-H */
+  { ISFUNC, rl_do_lowercase_version },	/* Meta-I */
+  { ISFUNC, rl_do_lowercase_version },	/* Meta-J */
+  { ISFUNC, rl_do_lowercase_version },	/* Meta-K */
+  { ISFUNC, rl_do_lowercase_version },	/* Meta-L */
+  { ISFUNC, rl_do_lowercase_version },	/* Meta-M */
+  { ISFUNC, rl_do_lowercase_version },	/* Meta-N */
+  { ISFUNC, rl_do_lowercase_version },	/* Meta-O */
+  { ISFUNC, rl_do_lowercase_version },	/* Meta-P */
+  { ISFUNC, rl_do_lowercase_version },	/* Meta-Q */
+  { ISFUNC, rl_do_lowercase_version },	/* Meta-R */
+  { ISFUNC, rl_do_lowercase_version },	/* Meta-S */
+  { ISFUNC, rl_do_lowercase_version },	/* Meta-T */
+  { ISFUNC, rl_do_lowercase_version },	/* Meta-U */
+  { ISFUNC, rl_do_lowercase_version },	/* Meta-V */
+  { ISFUNC, rl_do_lowercase_version },	/* Meta-W */
+  { ISFUNC, rl_do_lowercase_version },	/* Meta-X */
+  { ISFUNC, rl_do_lowercase_version },	/* Meta-Y */
+  { ISFUNC, rl_do_lowercase_version },	/* Meta-Z */
+
+  /* Some more punctuation. */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Meta-[ */	/* was rl_arrow_keys */
+  { ISFUNC, rl_delete_horizontal_space },	/* Meta-\ */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Meta-] */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Meta-^ */
+  { ISFUNC, rl_yank_last_arg },			/* Meta-_ */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Meta-` */
+
+  /* Lowercase alphabet. */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-a */
+  { ISFUNC, rl_backward_word },		/* Meta-b */
+  { ISFUNC, rl_capitalize_word }, 	/* Meta-c */
+  { ISFUNC, rl_kill_word },		/* Meta-d */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-e */
+  { ISFUNC, rl_forward_word },		/* Meta-f */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-g */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-h */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-i */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-j */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-k */
+  { ISFUNC, rl_downcase_word },		/* Meta-l */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-m */
+  { ISFUNC, rl_noninc_forward_search },	/* Meta-n */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-o */	/* was rl_arrow_keys */
+  { ISFUNC, rl_noninc_reverse_search },	/* Meta-p */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-q */
+  { ISFUNC, rl_revert_line },		/* Meta-r */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-s */
+  { ISFUNC, rl_transpose_words }, 	/* Meta-t */
+  { ISFUNC, rl_upcase_word },		/* Meta-u */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-v */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-w */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-x */
+  { ISFUNC, rl_yank_pop },		/* Meta-y */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-z */
+
+  /* Final punctuation. */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-{ */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-| */
+  { ISFUNC, (rl_command_func_t *)0x0 },	/* Meta-} */
+  { ISFUNC, rl_tilde_expand },		/* Meta-~ */
+  { ISFUNC, rl_backward_kill_word },	/* Meta-rubout */
+
+#if KEYMAP_SIZE > 128
+  /* Undefined keys. */
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 }
+#endif /* KEYMAP_SIZE > 128 */
+};
+
+KEYMAP_ENTRY_ARRAY emacs_ctlx_keymap = {
+
+  /* Control keys. */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-@ */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-a */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-b */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-c */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-d */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-e */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-f */
+  { ISFUNC, rl_abort },				/* Control-g */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-h */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-i */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-j */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-k */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-l */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-m */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-n */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-o */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-p */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-q */
+  { ISFUNC, rl_re_read_init_file },		/* Control-r */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-s */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-t */
+  { ISFUNC, rl_undo_command },			/* Control-u */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-v */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-w */
+  { ISFUNC, rl_exchange_point_and_mark },	/* Control-x */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-y */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-z */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-[ */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-\ */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-] */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-^ */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-_ */
+
+  /* The start of printing characters. */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* SPACE */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* ! */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* " */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* # */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* $ */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* % */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* & */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* ' */
+  { ISFUNC, rl_start_kbd_macro },		/* ( */
+  { ISFUNC, rl_end_kbd_macro  },		/* ) */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* * */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* + */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* , */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* - */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* . */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* / */
+
+  /* Regular digits. */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* 0 */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* 1 */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* 2 */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* 3 */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* 4 */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* 5 */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* 6 */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* 7 */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* 8 */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* 9 */
+
+  /* A little more punctuation. */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* : */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* ; */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* < */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* = */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* > */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* ? */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* @ */
+
+  /* Uppercase alphabet. */
+  { ISFUNC, rl_do_lowercase_version },		/* A */
+  { ISFUNC, rl_do_lowercase_version },		/* B */
+  { ISFUNC, rl_do_lowercase_version },		/* C */
+  { ISFUNC, rl_do_lowercase_version },		/* D */
+  { ISFUNC, rl_do_lowercase_version },		/* E */
+  { ISFUNC, rl_do_lowercase_version },		/* F */
+  { ISFUNC, rl_do_lowercase_version },		/* G */
+  { ISFUNC, rl_do_lowercase_version },		/* H */
+  { ISFUNC, rl_do_lowercase_version },		/* I */
+  { ISFUNC, rl_do_lowercase_version },		/* J */
+  { ISFUNC, rl_do_lowercase_version },		/* K */
+  { ISFUNC, rl_do_lowercase_version },		/* L */
+  { ISFUNC, rl_do_lowercase_version },		/* M */
+  { ISFUNC, rl_do_lowercase_version },		/* N */
+  { ISFUNC, rl_do_lowercase_version },		/* O */
+  { ISFUNC, rl_do_lowercase_version },		/* P */
+  { ISFUNC, rl_do_lowercase_version },		/* Q */
+  { ISFUNC, rl_do_lowercase_version },		/* R */
+  { ISFUNC, rl_do_lowercase_version },		/* S */
+  { ISFUNC, rl_do_lowercase_version },		/* T */
+  { ISFUNC, rl_do_lowercase_version },		/* U */
+  { ISFUNC, rl_do_lowercase_version },		/* V */
+  { ISFUNC, rl_do_lowercase_version },		/* W */
+  { ISFUNC, rl_do_lowercase_version },		/* X */
+  { ISFUNC, rl_do_lowercase_version },		/* Y */
+  { ISFUNC, rl_do_lowercase_version },		/* Z */
+
+  /* Some more punctuation. */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* [ */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* \ */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* ] */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* ^ */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* _ */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* ` */
+
+  /* Lowercase alphabet. */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* a */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* b */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* c */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* d */
+  { ISFUNC, rl_call_last_kbd_macro },		/* e */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* f */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* g */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* h */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* i */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* j */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* k */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* l */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* m */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* n */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* o */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* p */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* q */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* r */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* s */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* t */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* u */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* v */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* w */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* x */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* y */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* z */
+
+  /* Final punctuation. */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* { */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* | */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* } */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* ~ */
+  { ISFUNC, rl_backward_kill_line },		/* RUBOUT */
+
+#if KEYMAP_SIZE > 128
+  /* Undefined keys. */
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 }
+#endif /* KEYMAP_SIZE > 128 */
+};
diff --git a/readline-4.3.orig/funmap.c b/readline-4.3.orig/funmap.c
new file mode 100644
index 0000000..fe9a1da
--- /dev/null
+++ b/readline-4.3.orig/funmap.c
@@ -0,0 +1,253 @@
+/* funmap.c -- attach names to functions. */
+
+/* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc.
+
+   This file is part of the GNU Readline Library, a library for
+   reading lines of text with interactive input and history editing.
+
+   The GNU Readline Library is free software; you can redistribute it
+   and/or modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2, or
+   (at your option) any later version.
+
+   The GNU Readline Library is distributed in the hope that it will be
+   useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   The GNU General Public License is often shipped with GNU software, and
+   is generally kept in a file called COPYING or LICENSE.  If you do not
+   have a copy of the license, write to the Free Software Foundation,
+   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+#define READLINE_LIBRARY
+
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
+
+#if !defined (BUFSIZ)
+#include <stdio.h>
+#endif /* BUFSIZ */
+
+#if defined (HAVE_STDLIB_H)
+#  include <stdlib.h>
+#else
+#  include "ansi_stdlib.h"
+#endif /* HAVE_STDLIB_H */
+
+#include "rlconf.h"
+#include "readline.h"
+
+#include "xmalloc.h"
+
+#ifdef __STDC__
+typedef int QSFUNC (const void *, const void *);
+#else
+typedef int QSFUNC ();
+#endif
+
+extern int _rl_qsort_string_compare PARAMS((char **, char **));
+
+FUNMAP **funmap;
+static int funmap_size;
+static int funmap_entry;
+
+/* After initializing the function map, this is the index of the first
+   program specific function. */
+int funmap_program_specific_entry_start;
+
+static FUNMAP default_funmap[] = {
+  { "abort", rl_abort },
+  { "accept-line", rl_newline },
+  { "arrow-key-prefix", rl_arrow_keys },
+  { "backward-byte", rl_backward_byte },
+  { "backward-char", rl_backward_char },
+  { "backward-delete-char", rl_rubout },
+  { "backward-kill-line", rl_backward_kill_line },
+  { "backward-kill-word", rl_backward_kill_word },
+  { "backward-word", rl_backward_word },
+  { "beginning-of-history", rl_beginning_of_history },
+  { "beginning-of-line", rl_beg_of_line },
+  { "call-last-kbd-macro", rl_call_last_kbd_macro },
+  { "capitalize-word", rl_capitalize_word },
+  { "character-search", rl_char_search },
+  { "character-search-backward", rl_backward_char_search },
+  { "clear-screen", rl_clear_screen },
+  { "complete", rl_complete },
+  { "copy-backward-word", rl_copy_backward_word },
+  { "copy-forward-word", rl_copy_forward_word },
+  { "copy-region-as-kill", rl_copy_region_to_kill },
+  { "delete-char", rl_delete },
+  { "delete-char-or-list", rl_delete_or_show_completions },
+  { "delete-horizontal-space", rl_delete_horizontal_space },
+  { "digit-argument", rl_digit_argument },
+  { "do-lowercase-version", rl_do_lowercase_version },
+  { "downcase-word", rl_downcase_word },
+  { "dump-functions", rl_dump_functions },
+  { "dump-macros", rl_dump_macros },
+  { "dump-variables", rl_dump_variables },
+  { "emacs-editing-mode", rl_emacs_editing_mode },
+  { "end-kbd-macro", rl_end_kbd_macro },
+  { "end-of-history", rl_end_of_history },
+  { "end-of-line", rl_end_of_line },
+  { "exchange-point-and-mark", rl_exchange_point_and_mark },
+  { "forward-backward-delete-char", rl_rubout_or_delete },
+  { "forward-byte", rl_forward_byte },
+  { "forward-char", rl_forward_char },
+  { "forward-search-history", rl_forward_search_history },
+  { "forward-word", rl_forward_word },
+  { "history-search-backward", rl_history_search_backward },
+  { "history-search-forward", rl_history_search_forward },
+  { "insert-comment", rl_insert_comment },
+  { "insert-completions", rl_insert_completions },
+  { "kill-whole-line", rl_kill_full_line },
+  { "kill-line", rl_kill_line },
+  { "kill-region", rl_kill_region },
+  { "kill-word", rl_kill_word },
+  { "menu-complete", rl_menu_complete },
+  { "next-history", rl_get_next_history },
+  { "non-incremental-forward-search-history", rl_noninc_forward_search },
+  { "non-incremental-reverse-search-history", rl_noninc_reverse_search },
+  { "non-incremental-forward-search-history-again", rl_noninc_forward_search_again },
+  { "non-incremental-reverse-search-history-again", rl_noninc_reverse_search_again },
+  { "overwrite-mode", rl_overwrite_mode },
+#ifdef __CYGWIN__
+  { "paste-from-clipboard", rl_paste_from_clipboard },
+#endif
+  { "possible-completions", rl_possible_completions },
+  { "previous-history", rl_get_previous_history },
+  { "quoted-insert", rl_quoted_insert },
+  { "re-read-init-file", rl_re_read_init_file },
+  { "redraw-current-line", rl_refresh_line},
+  { "reverse-search-history", rl_reverse_search_history },
+  { "revert-line", rl_revert_line },
+  { "self-insert", rl_insert },
+  { "set-mark", rl_set_mark },
+  { "start-kbd-macro", rl_start_kbd_macro },
+  { "tab-insert", rl_tab_insert },
+  { "tilde-expand", rl_tilde_expand },
+  { "transpose-chars", rl_transpose_chars },
+  { "transpose-words", rl_transpose_words },
+  { "tty-status", rl_tty_status },
+  { "undo", rl_undo_command },
+  { "universal-argument", rl_universal_argument },
+  { "unix-line-discard", rl_unix_line_discard },
+  { "unix-word-rubout", rl_unix_word_rubout },
+  { "upcase-word", rl_upcase_word },
+  { "yank", rl_yank },
+  { "yank-last-arg", rl_yank_last_arg },
+  { "yank-nth-arg", rl_yank_nth_arg },
+  { "yank-pop", rl_yank_pop },
+
+#if defined (VI_MODE)
+  { "vi-append-eol", rl_vi_append_eol },
+  { "vi-append-mode", rl_vi_append_mode },
+  { "vi-arg-digit", rl_vi_arg_digit },
+  { "vi-back-to-indent", rl_vi_back_to_indent },
+  { "vi-bWord", rl_vi_bWord },
+  { "vi-bword", rl_vi_bword },
+  { "vi-change-case", rl_vi_change_case },
+  { "vi-change-char", rl_vi_change_char },
+  { "vi-change-to", rl_vi_change_to },
+  { "vi-char-search", rl_vi_char_search },
+  { "vi-column", rl_vi_column },
+  { "vi-complete", rl_vi_complete },
+  { "vi-delete", rl_vi_delete },
+  { "vi-delete-to", rl_vi_delete_to },
+  { "vi-eWord", rl_vi_eWord },
+  { "vi-editing-mode", rl_vi_editing_mode },
+  { "vi-end-word", rl_vi_end_word },
+  { "vi-eof-maybe", rl_vi_eof_maybe },
+  { "vi-eword", rl_vi_eword },
+  { "vi-fWord", rl_vi_fWord },
+  { "vi-fetch-history", rl_vi_fetch_history },
+  { "vi-first-print", rl_vi_first_print },
+  { "vi-fword", rl_vi_fword },
+  { "vi-goto-mark", rl_vi_goto_mark },
+  { "vi-insert-beg", rl_vi_insert_beg },
+  { "vi-insertion-mode", rl_vi_insertion_mode },
+  { "vi-match", rl_vi_match },
+  { "vi-movement-mode", rl_vi_movement_mode },
+  { "vi-next-word", rl_vi_next_word },
+  { "vi-overstrike", rl_vi_overstrike },
+  { "vi-overstrike-delete", rl_vi_overstrike_delete },
+  { "vi-prev-word", rl_vi_prev_word },
+  { "vi-put", rl_vi_put },
+  { "vi-redo", rl_vi_redo },
+  { "vi-replace", rl_vi_replace },
+  { "vi-search", rl_vi_search },
+  { "vi-search-again", rl_vi_search_again },
+  { "vi-set-mark", rl_vi_set_mark },
+  { "vi-subst", rl_vi_subst },
+  { "vi-tilde-expand", rl_vi_tilde_expand },
+  { "vi-yank-arg", rl_vi_yank_arg },
+  { "vi-yank-to", rl_vi_yank_to },
+#endif /* VI_MODE */
+
+ {(char *)NULL, (rl_command_func_t *)NULL }
+};
+
+int
+rl_add_funmap_entry (name, function)
+     const char *name;
+     rl_command_func_t *function;
+{
+  if (funmap_entry + 2 >= funmap_size)
+    {
+      funmap_size += 64;
+      funmap = (FUNMAP **)xrealloc (funmap, funmap_size * sizeof (FUNMAP *));
+    }
+  
+  funmap[funmap_entry] = (FUNMAP *)xmalloc (sizeof (FUNMAP));
+  funmap[funmap_entry]->name = name;
+  funmap[funmap_entry]->function = function;
+
+  funmap[++funmap_entry] = (FUNMAP *)NULL;
+  return funmap_entry;
+}
+
+static int funmap_initialized;
+
+/* Make the funmap contain all of the default entries. */
+void
+rl_initialize_funmap ()
+{
+  register int i;
+
+  if (funmap_initialized)
+    return;
+
+  for (i = 0; default_funmap[i].name; i++)
+    rl_add_funmap_entry (default_funmap[i].name, default_funmap[i].function);
+
+  funmap_initialized = 1;
+  funmap_program_specific_entry_start = i;
+}
+
+/* Produce a NULL terminated array of known function names.  The array
+   is sorted.  The array itself is allocated, but not the strings inside.
+   You should free () the array when you done, but not the pointrs. */
+const char **
+rl_funmap_names ()
+{
+  const char **result;
+  int result_size, result_index;
+
+  /* Make sure that the function map has been initialized. */
+  rl_initialize_funmap ();
+
+  for (result_index = result_size = 0, result = (const char **)NULL; funmap[result_index]; result_index++)
+    {
+      if (result_index + 2 > result_size)
+	{
+	  result_size += 20;
+	  result = (const char **)xrealloc (result, result_size * sizeof (char *));
+	}
+
+      result[result_index] = funmap[result_index]->name;
+      result[result_index + 1] = (char *)NULL;
+    }
+
+  qsort (result, result_index, sizeof (char *), (QSFUNC *)_rl_qsort_string_compare);
+  return (result);
+}
diff --git a/readline-4.3.orig/histexpand.c b/readline-4.3.orig/histexpand.c
new file mode 100644
index 0000000..6c81196
--- /dev/null
+++ b/readline-4.3.orig/histexpand.c
@@ -0,0 +1,1491 @@
+/* histexpand.c -- history expansion. */
+
+/* Copyright (C) 1989, 1992 Free Software Foundation, Inc.
+
+   This file contains the GNU History Library (the Library), a set of
+   routines for managing the text of previously typed lines.
+
+   The Library is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   The Library is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   The GNU General Public License is often shipped with GNU software, and
+   is generally kept in a file called COPYING or LICENSE.  If you do not
+   have a copy of the license, write to the Free Software Foundation,
+   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+
+#define READLINE_LIBRARY
+
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
+
+#include <stdio.h>
+
+#if defined (HAVE_STDLIB_H)
+#  include <stdlib.h>
+#else
+#  include "ansi_stdlib.h"
+#endif /* HAVE_STDLIB_H */
+
+#if defined (HAVE_UNISTD_H)
+#  ifndef _MINIX
+#    include <sys/types.h>
+#  endif
+#  include <unistd.h>
+#endif
+
+#include "rlmbutil.h"
+
+#include "history.h"
+#include "histlib.h"
+
+#include "rlshell.h"
+#include "xmalloc.h"
+
+#define HISTORY_WORD_DELIMITERS		" \t\n;&()|<>"
+#define HISTORY_QUOTE_CHARACTERS	"\"'`"
+
+typedef int _hist_search_func_t PARAMS((const char *, int));
+
+extern int rl_byte_oriented;	/* declared in mbutil.c */
+
+static char error_pointer;
+
+static char *subst_lhs;
+static char *subst_rhs;
+static int subst_lhs_len;
+static int subst_rhs_len;
+
+static char *get_history_word_specifier PARAMS((char *, char *, int *));
+static char *history_find_word PARAMS((char *, int));
+
+static char *quote_breaks PARAMS((char *));
+
+/* Variables exported by this file. */
+/* The character that represents the start of a history expansion
+   request.  This is usually `!'. */
+char history_expansion_char = '!';
+
+/* The character that invokes word substitution if found at the start of
+   a line.  This is usually `^'. */
+char history_subst_char = '^';
+
+/* During tokenization, if this character is seen as the first character
+   of a word, then it, and all subsequent characters upto a newline are
+   ignored.  For a Bourne shell, this should be '#'.  Bash special cases
+   the interactive comment character to not be a comment delimiter. */
+char history_comment_char = '\0';
+
+/* The list of characters which inhibit the expansion of text if found
+   immediately following history_expansion_char. */
+char *history_no_expand_chars = " \t\n\r=";
+
+/* If set to a non-zero value, single quotes inhibit history expansion.
+   The default is 0. */
+int history_quotes_inhibit_expansion = 0;
+
+/* Used to split words by history_tokenize_internal. */
+char *history_word_delimiters = HISTORY_WORD_DELIMITERS;
+
+/* If set, this points to a function that is called to verify that a
+   particular history expansion should be performed. */
+rl_linebuf_func_t *history_inhibit_expansion_function;
+
+/* **************************************************************** */
+/*								    */
+/*			History Expansion			    */
+/*								    */
+/* **************************************************************** */
+
+/* Hairy history expansion on text, not tokens.  This is of general
+   use, and thus belongs in this library. */
+
+/* The last string searched for by a !?string? search. */
+static char *search_string;
+
+/* The last string matched by a !?string? search. */
+static char *search_match;
+
+/* Return the event specified at TEXT + OFFSET modifying OFFSET to
+   point to after the event specifier.  Just a pointer to the history
+   line is returned; NULL is returned in the event of a bad specifier.
+   You pass STRING with *INDEX equal to the history_expansion_char that
+   begins this specification.
+   DELIMITING_QUOTE is a character that is allowed to end the string
+   specification for what to search for in addition to the normal
+   characters `:', ` ', `\t', `\n', and sometimes `?'.
+   So you might call this function like:
+   line = get_history_event ("!echo:p", &index, 0);  */
+char *
+get_history_event (string, caller_index, delimiting_quote)
+     const char *string;
+     int *caller_index;
+     int delimiting_quote;
+{
+  register int i;
+  register char c;
+  HIST_ENTRY *entry;
+  int which, sign, local_index, substring_okay;
+  _hist_search_func_t *search_func;
+  char *temp;
+
+  /* The event can be specified in a number of ways.
+
+     !!   the previous command
+     !n   command line N
+     !-n  current command-line minus N
+     !str the most recent command starting with STR
+     !?str[?]
+	  the most recent command containing STR
+
+     All values N are determined via HISTORY_BASE. */
+
+  i = *caller_index;
+
+  if (string[i] != history_expansion_char)
+    return ((char *)NULL);
+
+  /* Move on to the specification. */
+  i++;
+
+  sign = 1;
+  substring_okay = 0;
+
+#define RETURN_ENTRY(e, w) \
+	return ((e = history_get (w)) ? e->line : (char *)NULL)
+
+  /* Handle !! case. */
+  if (string[i] == history_expansion_char)
+    {
+      i++;
+      which = history_base + (history_length - 1);
+      *caller_index = i;
+      RETURN_ENTRY (entry, which);
+    }
+
+  /* Hack case of numeric line specification. */
+  if (string[i] == '-')
+    {
+      sign = -1;
+      i++;
+    }
+
+  if (_rl_digit_p (string[i]))
+    {
+      /* Get the extent of the digits and compute the value. */
+      for (which = 0; _rl_digit_p (string[i]); i++)
+	which = (which * 10) + _rl_digit_value (string[i]);
+
+      *caller_index = i;
+
+      if (sign < 0)
+	which = (history_length + history_base) - which;
+
+      RETURN_ENTRY (entry, which);
+    }
+
+  /* This must be something to search for.  If the spec begins with
+     a '?', then the string may be anywhere on the line.  Otherwise,
+     the string must be found at the start of a line. */
+  if (string[i] == '?')
+    {
+      substring_okay++;
+      i++;
+    }
+
+  /* Only a closing `?' or a newline delimit a substring search string. */
+  for (local_index = i; c = string[i]; i++)
+#if defined (HANDLE_MULTIBYTE)
+    if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+      {
+	int v;
+	mbstate_t ps;
+
+	memset (&ps, 0, sizeof (mbstate_t));
+	/* These produce warnings because we're passing a const string to a
+	   function that takes a non-const string. */
+	_rl_adjust_point (string, i, &ps);
+	if ((v = _rl_get_char_len (string + i, &ps)) > 1)
+	  {
+	    i += v - 1;
+	    continue;
+	  }
+      }
+    else
+#endif /* HANDLE_MULTIBYTE */
+      if ((!substring_okay && (whitespace (c) || c == ':' ||
+	  (history_search_delimiter_chars && member (c, history_search_delimiter_chars)) ||
+	  string[i] == delimiting_quote)) ||
+	  string[i] == '\n' ||
+	  (substring_okay && string[i] == '?'))
+	break;
+
+  which = i - local_index;
+  temp = (char *)xmalloc (1 + which);
+  if (which)
+    strncpy (temp, string + local_index, which);
+  temp[which] = '\0';
+
+  if (substring_okay && string[i] == '?')
+    i++;
+
+  *caller_index = i;
+
+#define FAIL_SEARCH() \
+  do { \
+    history_offset = history_length; free (temp) ; return (char *)NULL; \
+  } while (0)
+
+  /* If there is no search string, try to use the previous search string,
+     if one exists.  If not, fail immediately. */
+  if (*temp == '\0' && substring_okay)
+    {
+      if (search_string)
+        {
+          free (temp);
+          temp = savestring (search_string);
+        }
+      else
+        FAIL_SEARCH ();
+    }
+
+  search_func = substring_okay ? history_search : history_search_prefix;
+  while (1)
+    {
+      local_index = (*search_func) (temp, -1);
+
+      if (local_index < 0)
+	FAIL_SEARCH ();
+
+      if (local_index == 0 || substring_okay)
+	{
+	  entry = current_history ();
+	  history_offset = history_length;
+	
+	  /* If this was a substring search, then remember the
+	     string that we matched for word substitution. */
+	  if (substring_okay)
+	    {
+	      FREE (search_string);
+	      search_string = temp;
+
+	      FREE (search_match);
+	      search_match = history_find_word (entry->line, local_index);
+	    }
+	  else
+	    free (temp);
+
+	  return (entry->line);
+	}
+
+      if (history_offset)
+	history_offset--;
+      else
+	FAIL_SEARCH ();
+    }
+#undef FAIL_SEARCH
+#undef RETURN_ENTRY
+}
+
+/* Function for extracting single-quoted strings.  Used for inhibiting
+   history expansion within single quotes. */
+
+/* Extract the contents of STRING as if it is enclosed in single quotes.
+   SINDEX, when passed in, is the offset of the character immediately
+   following the opening single quote; on exit, SINDEX is left pointing
+   to the closing single quote. */
+static void
+hist_string_extract_single_quoted (string, sindex)
+     char *string;
+     int *sindex;
+{
+  register int i;
+
+  for (i = *sindex; string[i] && string[i] != '\''; i++)
+    ;
+
+  *sindex = i;
+}
+
+static char *
+quote_breaks (s)
+     char *s;
+{
+  register char *p, *r;
+  char *ret;
+  int len = 3;
+
+  for (p = s; p && *p; p++, len++)
+    {
+      if (*p == '\'')
+	len += 3;
+      else if (whitespace (*p) || *p == '\n')
+	len += 2;
+    }
+
+  r = ret = (char *)xmalloc (len);
+  *r++ = '\'';
+  for (p = s; p && *p; )
+    {
+      if (*p == '\'')
+	{
+	  *r++ = '\'';
+	  *r++ = '\\';
+	  *r++ = '\'';
+	  *r++ = '\'';
+	  p++;
+	}
+      else if (whitespace (*p) || *p == '\n')
+	{
+	  *r++ = '\'';
+	  *r++ = *p++;
+	  *r++ = '\'';
+	}
+      else
+	*r++ = *p++;
+    }
+  *r++ = '\'';
+  *r = '\0';
+  return ret;
+}
+
+static char *
+hist_error(s, start, current, errtype)
+      char *s;
+      int start, current, errtype;
+{
+  char *temp;
+  const char *emsg;
+  int ll, elen;
+
+  ll = current - start;
+
+  switch (errtype)
+    {
+    case EVENT_NOT_FOUND:
+      emsg = "event not found";
+      elen = 15;
+      break;
+    case BAD_WORD_SPEC:
+      emsg = "bad word specifier";
+      elen = 18;
+      break;
+    case SUBST_FAILED:
+      emsg = "substitution failed";
+      elen = 19;
+      break;
+    case BAD_MODIFIER:
+      emsg = "unrecognized history modifier";
+      elen = 29;
+      break;
+    case NO_PREV_SUBST:
+      emsg = "no previous substitution";
+      elen = 24;
+      break;
+    default:
+      emsg = "unknown expansion error";
+      elen = 23;
+      break;
+    }
+
+  temp = (char *)xmalloc (ll + elen + 3);
+  strncpy (temp, s + start, ll);
+  temp[ll] = ':';
+  temp[ll + 1] = ' ';
+  strcpy (temp + ll + 2, emsg);
+  return (temp);
+}
+
+/* Get a history substitution string from STR starting at *IPTR
+   and return it.  The length is returned in LENPTR.
+
+   A backslash can quote the delimiter.  If the string is the
+   empty string, the previous pattern is used.  If there is
+   no previous pattern for the lhs, the last history search
+   string is used.
+
+   If IS_RHS is 1, we ignore empty strings and set the pattern
+   to "" anyway.  subst_lhs is not changed if the lhs is empty;
+   subst_rhs is allowed to be set to the empty string. */
+
+static char *
+get_subst_pattern (str, iptr, delimiter, is_rhs, lenptr)
+     char *str;
+     int *iptr, delimiter, is_rhs, *lenptr;
+{
+  register int si, i, j, k;
+  char *s;
+#if defined (HANDLE_MULTIBYTE)
+  mbstate_t ps;
+#endif
+
+  s = (char *)NULL;
+  i = *iptr;
+
+#if defined (HANDLE_MULTIBYTE)
+  memset (&ps, 0, sizeof (mbstate_t));
+  _rl_adjust_point (str, i, &ps);
+#endif
+
+  for (si = i; str[si] && str[si] != delimiter; si++)
+#if defined (HANDLE_MULTIBYTE)
+    if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+      {
+	int v;
+	if ((v = _rl_get_char_len (str + si, &ps)) > 1)
+	  si += v - 1;
+	else if (str[si] == '\\' && str[si + 1] == delimiter)
+	  si++;
+      }
+    else
+#endif /* HANDLE_MULTIBYTE */
+      if (str[si] == '\\' && str[si + 1] == delimiter)
+	si++;
+
+  if (si > i || is_rhs)
+    {
+      s = (char *)xmalloc (si - i + 1);
+      for (j = 0, k = i; k < si; j++, k++)
+	{
+	  /* Remove a backslash quoting the search string delimiter. */
+	  if (str[k] == '\\' && str[k + 1] == delimiter)
+	    k++;
+	  s[j] = str[k];
+	}
+      s[j] = '\0';
+      if (lenptr)
+	*lenptr = j;
+    }
+
+  i = si;
+  if (str[i])
+    i++;
+  *iptr = i;
+
+  return s;
+}
+
+static void
+postproc_subst_rhs ()
+{
+  char *new;
+  int i, j, new_size;
+
+  new = (char *)xmalloc (new_size = subst_rhs_len + subst_lhs_len);
+  for (i = j = 0; i < subst_rhs_len; i++)
+    {
+      if (subst_rhs[i] == '&')
+	{
+	  if (j + subst_lhs_len >= new_size)
+	    new = (char *)xrealloc (new, (new_size = new_size * 2 + subst_lhs_len));
+	  strcpy (new + j, subst_lhs);
+	  j += subst_lhs_len;
+	}
+      else
+	{
+	  /* a single backslash protects the `&' from lhs interpolation */
+	  if (subst_rhs[i] == '\\' && subst_rhs[i + 1] == '&')
+	    i++;
+	  if (j >= new_size)
+	    new = (char *)xrealloc (new, new_size *= 2);
+	  new[j++] = subst_rhs[i];
+	}
+    }
+  new[j] = '\0';
+  free (subst_rhs);
+  subst_rhs = new;
+  subst_rhs_len = j;
+}
+
+/* Expand the bulk of a history specifier starting at STRING[START].
+   Returns 0 if everything is OK, -1 if an error occurred, and 1
+   if the `p' modifier was supplied and the caller should just print
+   the returned string.  Returns the new index into string in
+   *END_INDEX_PTR, and the expanded specifier in *RET_STRING. */
+static int
+history_expand_internal (string, start, end_index_ptr, ret_string, current_line)
+     char *string;
+     int start, *end_index_ptr;
+     char **ret_string;
+     char *current_line;	/* for !# */
+{
+  int i, n, starting_index;
+  int substitute_globally, want_quotes, print_only;
+  char *event, *temp, *result, *tstr, *t, c, *word_spec;
+  int result_len;
+#if defined (HANDLE_MULTIBYTE)
+  mbstate_t ps;
+
+  memset (&ps, 0, sizeof (mbstate_t));
+#endif
+
+  result = (char *)xmalloc (result_len = 128);
+
+  i = start;
+
+  /* If it is followed by something that starts a word specifier,
+     then !! is implied as the event specifier. */
+
+  if (member (string[i + 1], ":$*%^"))
+    {
+      char fake_s[3];
+      int fake_i = 0;
+      i++;
+      fake_s[0] = fake_s[1] = history_expansion_char;
+      fake_s[2] = '\0';
+      event = get_history_event (fake_s, &fake_i, 0);
+    }
+  else if (string[i + 1] == '#')
+    {
+      i += 2;
+      event = current_line;
+    }
+  else
+    {
+      int quoted_search_delimiter = 0;
+
+      /* If the character before this `!' is a double or single
+	 quote, then this expansion takes place inside of the
+	 quoted string.  If we have to search for some text ("!foo"),
+	 allow the delimiter to end the search string. */
+#if defined (HANDLE_MULTIBYTE)
+      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	{
+	  int c, l;
+	  l = _rl_find_prev_mbchar (string, i, MB_FIND_ANY);
+	  c = string[l];
+	  /* XXX - original patch had i - 1 ???  If i == 0 it would fail. */
+	  if (i && (c == '\'' || c == '"'))
+	    quoted_search_delimiter = c;
+	}
+      else
+#endif /* HANDLE_MULTIBYTE */	  
+	if (i && (string[i - 1] == '\'' || string[i - 1] == '"'))
+	  quoted_search_delimiter = string[i - 1];
+
+      event = get_history_event (string, &i, quoted_search_delimiter);
+    }
+	  
+  if (event == 0)
+    {
+      *ret_string = hist_error (string, start, i, EVENT_NOT_FOUND);
+      free (result);
+      return (-1);
+    }
+
+  /* If a word specifier is found, then do what that requires. */
+  starting_index = i;
+  word_spec = get_history_word_specifier (string, event, &i);
+
+  /* There is no such thing as a `malformed word specifier'.  However,
+     it is possible for a specifier that has no match.  In that case,
+     we complain. */
+  if (word_spec == (char *)&error_pointer)
+    {
+      *ret_string = hist_error (string, starting_index, i, BAD_WORD_SPEC);
+      free (result);
+      return (-1);
+    }
+
+  /* If no word specifier, than the thing of interest was the event. */
+  temp = word_spec ? savestring (word_spec) : savestring (event);
+  FREE (word_spec);
+
+  /* Perhaps there are other modifiers involved.  Do what they say. */
+  want_quotes = substitute_globally = print_only = 0;
+  starting_index = i;
+
+  while (string[i] == ':')
+    {
+      c = string[i + 1];
+
+      if (c == 'g')
+	{
+	  substitute_globally = 1;
+	  i++;
+	  c = string[i + 1];
+	}
+
+      switch (c)
+	{
+	default:
+	  *ret_string = hist_error (string, i+1, i+2, BAD_MODIFIER);
+	  free (result);
+	  free (temp);
+	  return -1;
+
+	case 'q':
+	  want_quotes = 'q';
+	  break;
+
+	case 'x':
+	  want_quotes = 'x';
+	  break;
+
+	  /* :p means make this the last executed line.  So we
+	     return an error state after adding this line to the
+	     history. */
+	case 'p':
+	  print_only++;
+	  break;
+
+	  /* :t discards all but the last part of the pathname. */
+	case 't':
+	  tstr = strrchr (temp, '/');
+	  if (tstr)
+	    {
+	      tstr++;
+	      t = savestring (tstr);
+	      free (temp);
+	      temp = t;
+	    }
+	  break;
+
+	  /* :h discards the last part of a pathname. */
+	case 'h':
+	  tstr = strrchr (temp, '/');
+	  if (tstr)
+	    *tstr = '\0';
+	  break;
+
+	  /* :r discards the suffix. */
+	case 'r':
+	  tstr = strrchr (temp, '.');
+	  if (tstr)
+	    *tstr = '\0';
+	  break;
+
+	  /* :e discards everything but the suffix. */
+	case 'e':
+	  tstr = strrchr (temp, '.');
+	  if (tstr)
+	    {
+	      t = savestring (tstr);
+	      free (temp);
+	      temp = t;
+	    }
+	  break;
+
+	/* :s/this/that substitutes `that' for the first
+	   occurrence of `this'.  :gs/this/that substitutes `that'
+	   for each occurrence of `this'.  :& repeats the last
+	   substitution.  :g& repeats the last substitution
+	   globally. */
+
+	case '&':
+	case 's':
+	  {
+	    char *new_event;
+	    int delimiter, failed, si, l_temp;
+
+	    if (c == 's')
+	      {
+		if (i + 2 < (int)strlen (string))
+		  {
+#if defined (HANDLE_MULTIBYTE)
+		    if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+		      {
+			_rl_adjust_point (string, i + 2, &ps);
+			if (_rl_get_char_len (string + i + 2, &ps) > 1)
+			  delimiter = 0;
+			else
+			  delimiter = string[i + 2];
+		      }
+		    else
+#endif /* HANDLE_MULTIBYTE */
+		      delimiter = string[i + 2];
+		  }
+		else
+		  break;	/* no search delimiter */
+
+		i += 3;
+
+		t = get_subst_pattern (string, &i, delimiter, 0, &subst_lhs_len);
+		/* An empty substitution lhs with no previous substitution
+		   uses the last search string as the lhs. */
+		if (t)
+		  {
+		    FREE (subst_lhs);
+		    subst_lhs = t;
+		  }
+		else if (!subst_lhs)
+		  {
+		    if (search_string && *search_string)
+		      {
+			subst_lhs = savestring (search_string);
+			subst_lhs_len = strlen (subst_lhs);
+		      }
+		    else
+		      {
+			subst_lhs = (char *) NULL;
+			subst_lhs_len = 0;
+		      }
+		  }
+
+		FREE (subst_rhs);
+		subst_rhs = get_subst_pattern (string, &i, delimiter, 1, &subst_rhs_len);
+
+		/* If `&' appears in the rhs, it's supposed to be replaced
+		   with the lhs. */
+		if (member ('&', subst_rhs))
+		  postproc_subst_rhs ();
+	      }
+	    else
+	      i += 2;
+
+	    /* If there is no lhs, the substitution can't succeed. */
+	    if (subst_lhs_len == 0)
+	      {
+		*ret_string = hist_error (string, starting_index, i, NO_PREV_SUBST);
+		free (result);
+		free (temp);
+		return -1;
+	      }
+
+	    l_temp = strlen (temp);
+	    /* Ignore impossible cases. */
+	    if (subst_lhs_len > l_temp)
+	      {
+		*ret_string = hist_error (string, starting_index, i, SUBST_FAILED);
+		free (result);
+		free (temp);
+		return (-1);
+	      }
+
+	    /* Find the first occurrence of THIS in TEMP. */
+	    si = 0;
+	    for (failed = 1; (si + subst_lhs_len) <= l_temp; si++)
+	      if (STREQN (temp+si, subst_lhs, subst_lhs_len))
+		{
+		  int len = subst_rhs_len - subst_lhs_len + l_temp;
+		  new_event = (char *)xmalloc (1 + len);
+		  strncpy (new_event, temp, si);
+		  strncpy (new_event + si, subst_rhs, subst_rhs_len);
+		  strncpy (new_event + si + subst_rhs_len,
+			   temp + si + subst_lhs_len,
+			   l_temp - (si + subst_lhs_len));
+		  new_event[len] = '\0';
+		  free (temp);
+		  temp = new_event;
+
+		  failed = 0;
+
+		  if (substitute_globally)
+		    {
+		      si += subst_rhs_len;
+		      l_temp = strlen (temp);
+		      substitute_globally++;
+		      continue;
+		    }
+		  else
+		    break;
+		}
+
+	    if (substitute_globally > 1)
+	      {
+		substitute_globally = 0;
+		continue;	/* don't want to increment i */
+	      }
+
+	    if (failed == 0)
+	      continue;		/* don't want to increment i */
+
+	    *ret_string = hist_error (string, starting_index, i, SUBST_FAILED);
+	    free (result);
+	    free (temp);
+	    return (-1);
+	  }
+	}
+      i += 2;
+    }
+  /* Done with modfiers. */
+  /* Believe it or not, we have to back the pointer up by one. */
+  --i;
+
+  if (want_quotes)
+    {
+      char *x;
+
+      if (want_quotes == 'q')
+	x = sh_single_quote (temp);
+      else if (want_quotes == 'x')
+	x = quote_breaks (temp);
+      else
+	x = savestring (temp);
+
+      free (temp);
+      temp = x;
+    }
+
+  n = strlen (temp);
+  if (n >= result_len)
+    result = (char *)xrealloc (result, n + 2);
+  strcpy (result, temp);
+  free (temp);
+
+  *end_index_ptr = i;
+  *ret_string = result;
+  return (print_only);
+}
+
+/* Expand the string STRING, placing the result into OUTPUT, a pointer
+   to a string.  Returns:
+
+  -1) If there was an error in expansion.
+   0) If no expansions took place (or, if the only change in
+      the text was the de-slashifying of the history expansion
+      character)
+   1) If expansions did take place
+   2) If the `p' modifier was given and the caller should print the result
+
+  If an error ocurred in expansion, then OUTPUT contains a descriptive
+  error message. */
+
+#define ADD_STRING(s) \
+	do \
+	  { \
+	    int sl = strlen (s); \
+	    j += sl; \
+	    if (j >= result_len) \
+	      { \
+		while (j >= result_len) \
+		  result_len += 128; \
+		result = (char *)xrealloc (result, result_len); \
+	      } \
+	    strcpy (result + j - sl, s); \
+	  } \
+	while (0)
+
+#define ADD_CHAR(c) \
+	do \
+	  { \
+	    if (j >= result_len - 1) \
+	      result = (char *)xrealloc (result, result_len += 64); \
+	    result[j++] = c; \
+	    result[j] = '\0'; \
+	  } \
+	while (0)
+
+int
+history_expand (hstring, output)
+     char *hstring;
+     char **output;
+{
+  register int j;
+  int i, r, l, passc, cc, modified, eindex, only_printing;
+  char *string;
+
+  /* The output string, and its length. */
+  int result_len;
+  char *result;
+
+#if defined (HANDLE_MULTIBYTE)
+  char mb[MB_LEN_MAX];
+  mbstate_t ps;
+#endif
+
+  /* Used when adding the string. */
+  char *temp;
+
+  if (output == 0)
+    return 0;
+
+  /* Setting the history expansion character to 0 inhibits all
+     history expansion. */
+  if (history_expansion_char == 0)
+    {
+      *output = savestring (hstring);
+      return (0);
+    }
+    
+  /* Prepare the buffer for printing error messages. */
+  result = (char *)xmalloc (result_len = 256);
+  result[0] = '\0';
+
+  only_printing = modified = 0;
+  l = strlen (hstring);
+
+  /* Grovel the string.  Only backslash and single quotes can quote the
+     history escape character.  We also handle arg specifiers. */
+
+  /* Before we grovel forever, see if the history_expansion_char appears
+     anywhere within the text. */
+
+  /* The quick substitution character is a history expansion all right.  That
+     is to say, "^this^that^" is equivalent to "!!:s^this^that^", and in fact,
+     that is the substitution that we do. */
+  if (hstring[0] == history_subst_char)
+    {
+      string = (char *)xmalloc (l + 5);
+
+      string[0] = string[1] = history_expansion_char;
+      string[2] = ':';
+      string[3] = 's';
+      strcpy (string + 4, hstring);
+      l += 4;
+    }
+  else
+    {
+#if defined (HANDLE_MULTIBYTE)
+      memset (&ps, 0, sizeof (mbstate_t));
+#endif
+
+      string = hstring;
+      /* If not quick substitution, still maybe have to do expansion. */
+
+      /* `!' followed by one of the characters in history_no_expand_chars
+	 is NOT an expansion. */
+      for (i = 0; string[i]; i++)
+	{
+#if defined (HANDLE_MULTIBYTE)
+	  if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	    {
+	      int v;
+	      v = _rl_get_char_len (string + i, &ps);
+	      if (v > 1)
+		{
+		  i += v - 1;
+		  continue;
+		}
+	    }
+#endif /* HANDLE_MULTIBYTE */
+
+	  cc = string[i + 1];
+	  /* The history_comment_char, if set, appearing at the beginning
+	     of a word signifies that the rest of the line should not have
+	     history expansion performed on it.
+	     Skip the rest of the line and break out of the loop. */
+	  if (history_comment_char && string[i] == history_comment_char &&
+	      (i == 0 || member (string[i - 1], history_word_delimiters)))
+	    {
+	      while (string[i])
+		i++;
+	      break;
+	    }
+	  else if (string[i] == history_expansion_char)
+	    {
+	      if (!cc || member (cc, history_no_expand_chars))
+		continue;
+	      /* If the calling application has set
+		 history_inhibit_expansion_function to a function that checks
+		 for special cases that should not be history expanded,
+		 call the function and skip the expansion if it returns a
+		 non-zero value. */
+	      else if (history_inhibit_expansion_function &&
+			(*history_inhibit_expansion_function) (string, i))
+		continue;
+	      else
+		break;
+	    }
+	  /* XXX - at some point, might want to extend this to handle
+		   double quotes as well. */
+	  else if (history_quotes_inhibit_expansion && string[i] == '\'')
+	    {
+	      /* If this is bash, single quotes inhibit history expansion. */
+	      i++;
+	      hist_string_extract_single_quoted (string, &i);
+	    }
+	  else if (history_quotes_inhibit_expansion && string[i] == '\\')
+	    {
+	      /* If this is bash, allow backslashes to quote single
+		 quotes and the history expansion character. */
+	      if (cc == '\'' || cc == history_expansion_char)
+		i++;
+	    }
+	}
+	  
+      if (string[i] != history_expansion_char)
+	{
+	  free (result);
+	  *output = savestring (string);
+	  return (0);
+	}
+    }
+
+  /* Extract and perform the substitution. */
+  for (passc = i = j = 0; i < l; i++)
+    {
+      int tchar = string[i];
+
+      if (passc)
+	{
+	  passc = 0;
+	  ADD_CHAR (tchar);
+	  continue;
+	}
+
+#if defined (HANDLE_MULTIBYTE)
+      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	{
+	  int k, c;
+
+	  c = tchar;
+	  memset (mb, 0, sizeof (mb));
+	  for (k = 0; k < MB_LEN_MAX; k++)
+	    {
+	      mb[k] = (char)c;
+	      memset (&ps, 0, sizeof (mbstate_t));
+	      if (_rl_get_char_len (mb, &ps) == -2)
+		c = string[++i];
+	      else
+		break;
+	    }
+	  if (strlen (mb) > 1)
+	    {
+	      ADD_STRING (mb);
+	      break;
+	    }
+	}
+#endif /* HANDLE_MULTIBYTE */
+
+      if (tchar == history_expansion_char)
+	tchar = -3;
+      else if (tchar == history_comment_char)
+	tchar = -2;
+
+      switch (tchar)
+	{
+	default:
+	  ADD_CHAR (string[i]);
+	  break;
+
+	case '\\':
+	  passc++;
+	  ADD_CHAR (tchar);
+	  break;
+
+	case '\'':
+	  {
+	    /* If history_quotes_inhibit_expansion is set, single quotes
+	       inhibit history expansion. */
+	    if (history_quotes_inhibit_expansion)
+	      {
+		int quote, slen;
+
+		quote = i++;
+		hist_string_extract_single_quoted (string, &i);
+
+		slen = i - quote + 2;
+		temp = (char *)xmalloc (slen);
+		strncpy (temp, string + quote, slen);
+		temp[slen - 1] = '\0';
+		ADD_STRING (temp);
+		free (temp);
+	      }
+	    else
+	      ADD_CHAR (string[i]);
+	    break;
+	  }
+
+	case -2:		/* history_comment_char */
+	  if (i == 0 || member (string[i - 1], history_word_delimiters))
+	    {
+	      temp = (char *)xmalloc (l - i + 1);
+	      strcpy (temp, string + i);
+	      ADD_STRING (temp);
+	      free (temp);
+	      i = l;
+	    }
+	  else
+	    ADD_CHAR (string[i]);
+	  break;
+
+	case -3:		/* history_expansion_char */
+	  cc = string[i + 1];
+
+	  /* If the history_expansion_char is followed by one of the
+	     characters in history_no_expand_chars, then it is not a
+	     candidate for expansion of any kind. */
+	  if (member (cc, history_no_expand_chars))
+	    {
+	      ADD_CHAR (string[i]);
+	      break;
+	    }
+
+#if defined (NO_BANG_HASH_MODIFIERS)
+	  /* There is something that is listed as a `word specifier' in csh
+	     documentation which means `the expanded text to this point'.
+	     That is not a word specifier, it is an event specifier.  If we
+	     don't want to allow modifiers with `!#', just stick the current
+	     output line in again. */
+	  if (cc == '#')
+	    {
+	      if (result)
+		{
+		  temp = (char *)xmalloc (1 + strlen (result));
+		  strcpy (temp, result);
+		  ADD_STRING (temp);
+		  free (temp);
+		}
+	      i++;
+	      break;
+	    }
+#endif
+
+	  r = history_expand_internal (string, i, &eindex, &temp, result);
+	  if (r < 0)
+	    {
+	      *output = temp;
+	      free (result);
+	      if (string != hstring)
+		free (string);
+	      return -1;
+	    }
+	  else
+	    {
+	      if (temp)
+		{
+		  modified++;
+		  if (*temp)
+		    ADD_STRING (temp);
+		  free (temp);
+		}
+	      only_printing = r == 1;
+	      i = eindex;
+	    }
+	  break;
+	}
+    }
+
+  *output = result;
+  if (string != hstring)
+    free (string);
+
+  if (only_printing)
+    {
+      add_history (result);
+      return (2);
+    }
+
+  return (modified != 0);
+}
+
+/* Return a consed string which is the word specified in SPEC, and found
+   in FROM.  NULL is returned if there is no spec.  The address of
+   ERROR_POINTER is returned if the word specified cannot be found.
+   CALLER_INDEX is the offset in SPEC to start looking; it is updated
+   to point to just after the last character parsed. */
+static char *
+get_history_word_specifier (spec, from, caller_index)
+     char *spec, *from;
+     int *caller_index;
+{
+  register int i = *caller_index;
+  int first, last;
+  int expecting_word_spec = 0;
+  char *result;
+
+  /* The range of words to return doesn't exist yet. */
+  first = last = 0;
+  result = (char *)NULL;
+
+  /* If we found a colon, then this *must* be a word specification.  If
+     it isn't, then it is an error. */
+  if (spec[i] == ':')
+    {
+      i++;
+      expecting_word_spec++;
+    }
+
+  /* Handle special cases first. */
+
+  /* `%' is the word last searched for. */
+  if (spec[i] == '%')
+    {
+      *caller_index = i + 1;
+      return (search_match ? savestring (search_match) : savestring (""));
+    }
+
+  /* `*' matches all of the arguments, but not the command. */
+  if (spec[i] == '*')
+    {
+      *caller_index = i + 1;
+      result = history_arg_extract (1, '$', from);
+      return (result ? result : savestring (""));
+    }
+
+  /* `$' is last arg. */
+  if (spec[i] == '$')
+    {
+      *caller_index = i + 1;
+      return (history_arg_extract ('$', '$', from));
+    }
+
+  /* Try to get FIRST and LAST figured out. */
+
+  if (spec[i] == '-')
+    first = 0;
+  else if (spec[i] == '^')
+    first = 1;
+  else if (_rl_digit_p (spec[i]) && expecting_word_spec)
+    {
+      for (first = 0; _rl_digit_p (spec[i]); i++)
+	first = (first * 10) + _rl_digit_value (spec[i]);
+    }
+  else
+    return ((char *)NULL);	/* no valid `first' for word specifier */
+
+  if (spec[i] == '^' || spec[i] == '*')
+    {
+      last = (spec[i] == '^') ? 1 : '$';	/* x* abbreviates x-$ */
+      i++;
+    }
+  else if (spec[i] != '-')
+    last = first;
+  else
+    {
+      i++;
+
+      if (_rl_digit_p (spec[i]))
+	{
+	  for (last = 0; _rl_digit_p (spec[i]); i++)
+	    last = (last * 10) + _rl_digit_value (spec[i]);
+	}
+      else if (spec[i] == '$')
+	{
+	  i++;
+	  last = '$';
+	}
+#if 0
+      else if (!spec[i] || spec[i] == ':')
+	/* check against `:' because there could be a modifier separator */
+#else
+      else
+	/* csh seems to allow anything to terminate the word spec here,
+	   leaving it as an abbreviation. */
+#endif
+	last = -1;		/* x- abbreviates x-$ omitting word `$' */
+    }
+
+  *caller_index = i;
+
+  if (last >= first || last == '$' || last < 0)
+    result = history_arg_extract (first, last, from);
+
+  return (result ? result : (char *)&error_pointer);
+}
+
+/* Extract the args specified, starting at FIRST, and ending at LAST.
+   The args are taken from STRING.  If either FIRST or LAST is < 0,
+   then make that arg count from the right (subtract from the number of
+   tokens, so that FIRST = -1 means the next to last token on the line).
+   If LAST is `$' the last arg from STRING is used. */
+char *
+history_arg_extract (first, last, string)
+     int first, last;
+     const char *string;
+{
+  register int i, len;
+  char *result;
+  int size, offset;
+  char **list;
+
+  /* XXX - think about making history_tokenize return a struct array,
+     each struct in array being a string and a length to avoid the
+     calls to strlen below. */
+  if ((list = history_tokenize (string)) == NULL)
+    return ((char *)NULL);
+
+  for (len = 0; list[len]; len++)
+    ;
+
+  if (last < 0)
+    last = len + last - 1;
+
+  if (first < 0)
+    first = len + first - 1;
+
+  if (last == '$')
+    last = len - 1;
+
+  if (first == '$')
+    first = len - 1;
+
+  last++;
+
+  if (first >= len || last > len || first < 0 || last < 0 || first > last)
+    result = ((char *)NULL);
+  else
+    {
+      for (size = 0, i = first; i < last; i++)
+	size += strlen (list[i]) + 1;
+      result = (char *)xmalloc (size + 1);
+      result[0] = '\0';
+
+      for (i = first, offset = 0; i < last; i++)
+	{
+	  strcpy (result + offset, list[i]);
+	  offset += strlen (list[i]);
+	  if (i + 1 < last)
+	    {
+      	      result[offset++] = ' ';
+	      result[offset] = 0;
+	    }
+	}
+    }
+
+  for (i = 0; i < len; i++)
+    free (list[i]);
+  free (list);
+
+  return (result);
+}
+
+#define slashify_in_quotes "\\`\"$"
+
+/* Parse STRING into tokens and return an array of strings.  If WIND is
+   not -1 and INDP is not null, we also want the word surrounding index
+   WIND.  The position in the returned array of strings is returned in
+   *INDP. */
+static char **
+history_tokenize_internal (string, wind, indp)
+     const char *string;
+     int wind, *indp;
+{
+  char **result;
+  register int i, start, result_index, size;
+  int len, delimiter;
+
+  /* If we're searching for a string that's not part of a word (e.g., " "),
+     make sure we set *INDP to a reasonable value. */
+  if (indp && wind != -1)
+    *indp = -1;
+
+  /* Get a token, and stuff it into RESULT.  The tokens are split
+     exactly where the shell would split them. */
+  for (i = result_index = size = 0, result = (char **)NULL; string[i]; )
+    {
+      delimiter = 0;
+
+      /* Skip leading whitespace. */
+      for (; string[i] && whitespace (string[i]); i++)
+	;
+      if (string[i] == 0 || string[i] == history_comment_char)
+	return (result);
+
+      start = i;
+      
+      if (member (string[i], "()\n"))
+	{
+	  i++;
+	  goto got_token;
+	}
+
+      if (member (string[i], "<>;&|$"))
+	{
+	  int peek = string[i + 1];
+
+	  if (peek == string[i] && peek != '$')
+	    {
+	      if (peek == '<' && string[i + 2] == '-')
+		i++;
+	      i += 2;
+	      goto got_token;
+	    }
+	  else
+	    {
+	      if ((peek == '&' && (string[i] == '>' || string[i] == '<')) ||
+		  ((peek == '>') && (string[i] == '&')) ||
+		  ((peek == '(') && (string[i] == '$')))
+		{
+		  i += 2;
+		  goto got_token;
+		}
+	    }
+	  if (string[i] != '$')
+	    {
+	      i++;
+	      goto got_token;
+	    }
+	}
+
+      /* Get word from string + i; */
+
+      if (member (string[i], HISTORY_QUOTE_CHARACTERS))
+	delimiter = string[i++];
+
+      for (; string[i]; i++)
+	{
+	  if (string[i] == '\\' && string[i + 1] == '\n')
+	    {
+	      i++;
+	      continue;
+	    }
+
+	  if (string[i] == '\\' && delimiter != '\'' &&
+	      (delimiter != '"' || member (string[i], slashify_in_quotes)))
+	    {
+	      i++;
+	      continue;
+	    }
+
+	  if (delimiter && string[i] == delimiter)
+	    {
+	      delimiter = 0;
+	      continue;
+	    }
+
+	  if (!delimiter && (member (string[i], history_word_delimiters)))
+	    break;
+
+	  if (!delimiter && member (string[i], HISTORY_QUOTE_CHARACTERS))
+	    delimiter = string[i];
+	}
+
+    got_token:
+
+      /* If we are looking for the word in which the character at a
+	 particular index falls, remember it. */
+      if (indp && wind != -1 && wind >= start && wind < i)
+        *indp = result_index;
+
+      len = i - start;
+      if (result_index + 2 >= size)
+	result = (char **)xrealloc (result, ((size += 10) * sizeof (char *)));
+      result[result_index] = (char *)xmalloc (1 + len);
+      strncpy (result[result_index], string + start, len);
+      result[result_index][len] = '\0';
+      result[++result_index] = (char *)NULL;
+    }
+
+  return (result);
+}
+
+/* Return an array of tokens, much as the shell might.  The tokens are
+   parsed out of STRING. */
+char **
+history_tokenize (string)
+     const char *string;
+{
+  return (history_tokenize_internal (string, -1, (int *)NULL));
+}
+
+/* Find and return the word which contains the character at index IND
+   in the history line LINE.  Used to save the word matched by the
+   last history !?string? search. */
+static char *
+history_find_word (line, ind)
+     char *line;
+     int ind;
+{
+  char **words, *s;
+  int i, wind;
+
+  words = history_tokenize_internal (line, ind, &wind);
+  if (wind == -1 || words == 0)
+    return ((char *)NULL);
+  s = words[wind];
+  for (i = 0; i < wind; i++)
+    free (words[i]);
+  for (i = wind + 1; words[i]; i++)
+    free (words[i]);
+  free (words);
+  return s;
+}
diff --git a/readline-4.3.orig/histfile.c b/readline-4.3.orig/histfile.c
new file mode 100644
index 0000000..60a9125
--- /dev/null
+++ b/readline-4.3.orig/histfile.c
@@ -0,0 +1,479 @@
+/* histfile.c - functions to manipulate the history file. */
+
+/* Copyright (C) 1989, 1992 Free Software Foundation, Inc.
+
+   This file contains the GNU History Library (the Library), a set of
+   routines for managing the text of previously typed lines.
+
+   The Library is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   The Library is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   The GNU General Public License is often shipped with GNU software, and
+   is generally kept in a file called COPYING or LICENSE.  If you do not
+   have a copy of the license, write to the Free Software Foundation,
+   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+
+/* The goal is to make the implementation transparent, so that you
+   don't have to know what data types are used, just what functions
+   you can call.  I think I have done that. */
+#define READLINE_LIBRARY
+
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
+
+#include <stdio.h>
+
+#include <sys/types.h>
+#ifndef _MINIX
+#  include <sys/file.h>
+#endif
+#include "posixstat.h"
+#include <fcntl.h>
+
+#if defined (HAVE_STDLIB_H)
+#  include <stdlib.h>
+#else
+#  include "ansi_stdlib.h"
+#endif /* HAVE_STDLIB_H */
+
+#if defined (HAVE_UNISTD_H)
+#  include <unistd.h>
+#endif
+
+#if defined (__EMX__) || defined (__CYGWIN__)
+#  undef HAVE_MMAP
+#endif
+
+#ifdef HAVE_MMAP
+#  include <sys/mman.h>
+
+#  ifdef MAP_FILE
+#    define MAP_RFLAGS	(MAP_FILE|MAP_PRIVATE)
+#    define MAP_WFLAGS	(MAP_FILE|MAP_SHARED)
+#  else
+#    define MAP_RFLAGS	MAP_PRIVATE
+#    define MAP_WFLAGS	MAP_SHARED
+#  endif
+
+#  ifndef MAP_FAILED
+#    define MAP_FAILED	((void *)-1)
+#  endif
+
+#endif /* HAVE_MMAP */
+
+/* If we're compiling for __EMX__ (OS/2) or __CYGWIN__ (cygwin32 environment
+   on win 95/98/nt), we want to open files with O_BINARY mode so that there
+   is no \n -> \r\n conversion performed.  On other systems, we don't want to
+   mess around with O_BINARY at all, so we ensure that it's defined to 0. */
+#if defined (__EMX__) || defined (__CYGWIN__)
+#  ifndef O_BINARY
+#    define O_BINARY 0
+#  endif
+#else /* !__EMX__ && !__CYGWIN__ */
+#  undef O_BINARY
+#  define O_BINARY 0
+#endif /* !__EMX__ && !__CYGWIN__ */
+
+#include <errno.h>
+#if !defined (errno)
+extern int errno;
+#endif /* !errno */
+
+#include "history.h"
+#include "histlib.h"
+
+#include "rlshell.h"
+#include "xmalloc.h"
+
+/* Return the string that should be used in the place of this
+   filename.  This only matters when you don't specify the
+   filename to read_history (), or write_history (). */
+static char *
+history_filename (filename)
+     const char *filename;
+{
+  char *return_val;
+  const char *home;
+  int home_len;
+
+  return_val = filename ? savestring (filename) : (char *)NULL;
+
+  if (return_val)
+    return (return_val);
+  
+  home = sh_get_env_value ("HOME");
+
+  if (home == 0)
+    {
+      home = ".";
+      home_len = 1;
+    }
+  else
+    home_len = strlen (home);
+
+  return_val = (char *)xmalloc (2 + home_len + 8); /* strlen(".history") == 8 */
+  strcpy (return_val, home);
+  return_val[home_len] = '/';
+#if defined (__MSDOS__)
+  strcpy (return_val + home_len + 1, "_history");
+#else
+  strcpy (return_val + home_len + 1, ".history");
+#endif
+
+  return (return_val);
+}
+
+/* Add the contents of FILENAME to the history list, a line at a time.
+   If FILENAME is NULL, then read from ~/.history.  Returns 0 if
+   successful, or errno if not. */
+int
+read_history (filename)
+     const char *filename;
+{
+  return (read_history_range (filename, 0, -1));
+}
+
+/* Read a range of lines from FILENAME, adding them to the history list.
+   Start reading at the FROM'th line and end at the TO'th.  If FROM
+   is zero, start at the beginning.  If TO is less than FROM, read
+   until the end of the file.  If FILENAME is NULL, then read from
+   ~/.history.  Returns 0 if successful, or errno if not. */
+int
+read_history_range (filename, from, to)
+     const char *filename;
+     int from, to;
+{
+  register char *line_start, *line_end;
+  char *input, *buffer, *bufend;
+  int file, current_line, chars_read;
+  struct stat finfo;
+  size_t file_size;
+
+  buffer = (char *)NULL;
+  input = history_filename (filename);
+  file = open (input, O_RDONLY|O_BINARY, 0666);
+
+  if ((file < 0) || (fstat (file, &finfo) == -1))
+    goto error_and_exit;
+
+  file_size = (size_t)finfo.st_size;
+
+  /* check for overflow on very large files */
+  if (file_size != finfo.st_size || file_size + 1 < file_size)
+    {
+#if defined (EFBIG)
+      errno = EFBIG;
+#elif defined (EOVERFLOW)
+      errno = EOVERFLOW;
+#endif
+      goto error_and_exit;
+    }
+
+#ifdef HAVE_MMAP
+  /* We map read/write and private so we can change newlines to NULs without
+     affecting the underlying object. */
+  buffer = (char *)mmap (0, file_size, PROT_READ|PROT_WRITE, MAP_RFLAGS, file, 0);
+  if ((void *)buffer == MAP_FAILED)
+    goto error_and_exit;
+  chars_read = file_size;
+#else
+  buffer = (char *)malloc (file_size + 1);
+  if (buffer == 0)
+    goto error_and_exit;
+
+  chars_read = read (file, buffer, file_size);
+#endif
+  if (chars_read < 0)
+    {
+  error_and_exit:
+      chars_read = errno;
+      if (file >= 0)
+	close (file);
+
+      FREE (input);
+#ifndef HAVE_MMAP
+      FREE (buffer);
+#endif
+
+      return (chars_read);
+    }
+
+  close (file);
+
+  /* Set TO to larger than end of file if negative. */
+  if (to < 0)
+    to = chars_read;
+
+  /* Start at beginning of file, work to end. */
+  bufend = buffer + chars_read;
+  current_line = 0;
+
+  /* Skip lines until we are at FROM. */
+  for (line_start = line_end = buffer; line_end < bufend && current_line < from; line_end++)
+    if (*line_end == '\n')
+      {
+	current_line++;
+	line_start = line_end + 1;
+      }
+
+  /* If there are lines left to gobble, then gobble them now. */
+  for (line_end = line_start; line_end < bufend; line_end++)
+    if (*line_end == '\n')
+      {
+	*line_end = '\0';
+
+	if (*line_start)
+	  add_history (line_start);
+
+	current_line++;
+
+	if (current_line >= to)
+	  break;
+
+	line_start = line_end + 1;
+      }
+
+  FREE (input);
+#ifndef HAVE_MMAP
+  FREE (buffer);
+#else
+  munmap (buffer, file_size);
+#endif
+
+  return (0);
+}
+
+/* Truncate the history file FNAME, leaving only LINES trailing lines.
+   If FNAME is NULL, then use ~/.history.  Returns 0 on success, errno
+   on failure. */
+int
+history_truncate_file (fname, lines)
+     const char *fname;
+     int lines;
+{
+  char *buffer, *filename, *bp;
+  int file, chars_read, rv;
+  struct stat finfo;
+  size_t file_size;
+
+  buffer = (char *)NULL;
+  filename = history_filename (fname);
+  file = open (filename, O_RDONLY|O_BINARY, 0666);
+  rv = 0;
+
+  /* Don't try to truncate non-regular files. */
+  if (file == -1 || fstat (file, &finfo) == -1)
+    {
+      rv = errno;
+      if (file != -1)
+	close (file);
+      goto truncate_exit;
+    }
+
+  if (S_ISREG (finfo.st_mode) == 0)
+    {
+      close (file);
+#ifdef EFTYPE
+      rv = EFTYPE;
+#else
+      rv = EINVAL;
+#endif
+      goto truncate_exit;
+    }
+
+  file_size = (size_t)finfo.st_size;
+
+  /* check for overflow on very large files */
+  if (file_size != finfo.st_size || file_size + 1 < file_size)
+    {
+      close (file);
+#if defined (EFBIG)
+      rv = errno = EFBIG;
+#elif defined (EOVERFLOW)
+      rv = errno = EOVERFLOW;
+#else
+      rv = errno = EINVAL;
+#endif
+      goto truncate_exit;
+    }
+
+  buffer = (char *)malloc (file_size + 1);
+  if (buffer == 0)
+    {
+      close (file);
+      goto truncate_exit;
+    }
+
+  chars_read = read (file, buffer, file_size);
+  close (file);
+
+  if (chars_read <= 0)
+    {
+      rv = (chars_read < 0) ? errno : 0;
+      goto truncate_exit;
+    }
+
+  /* Count backwards from the end of buffer until we have passed
+     LINES lines. */
+  for (bp = buffer + chars_read - 1; lines && bp > buffer; bp--)
+    {
+      if (*bp == '\n')
+	lines--;
+    }
+
+  /* If this is the first line, then the file contains exactly the
+     number of lines we want to truncate to, so we don't need to do
+     anything.  It's the first line if we don't find a newline between
+     the current value of i and 0.  Otherwise, write from the start of
+     this line until the end of the buffer. */
+  for ( ; bp > buffer; bp--)
+    if (*bp == '\n')
+      {
+	bp++;
+	break;
+      }
+
+  /* Write only if there are more lines in the file than we want to
+     truncate to. */
+  if (bp > buffer && ((file = open (filename, O_WRONLY|O_TRUNC|O_BINARY, 0600)) != -1))
+    {
+      write (file, bp, chars_read - (bp - buffer));
+
+#if defined (__BEOS__)
+      /* BeOS ignores O_TRUNC. */
+      ftruncate (file, chars_read - (bp - buffer));
+#endif
+
+      close (file);
+    }
+
+ truncate_exit:
+
+  FREE (buffer);
+
+  free (filename);
+  return rv;
+}
+
+/* Workhorse function for writing history.  Writes NELEMENT entries
+   from the history list to FILENAME.  OVERWRITE is non-zero if you
+   wish to replace FILENAME with the entries. */
+static int
+history_do_write (filename, nelements, overwrite)
+     const char *filename;
+     int nelements, overwrite;
+{
+  register int i;
+  char *output;
+  int file, mode, rv;
+  size_t cursize;
+
+#ifdef HAVE_MMAP
+  mode = overwrite ? O_RDWR|O_CREAT|O_TRUNC|O_BINARY : O_RDWR|O_APPEND|O_BINARY;
+#else
+  mode = overwrite ? O_WRONLY|O_CREAT|O_TRUNC|O_BINARY : O_WRONLY|O_APPEND|O_BINARY;
+#endif
+  output = history_filename (filename);
+  rv = 0;
+
+  if ((file = open (output, mode, 0600)) == -1)
+    {
+      FREE (output);
+      return (errno);
+    }
+
+#ifdef HAVE_MMAP
+  cursize = overwrite ? 0 : lseek (file, 0, SEEK_END);
+#endif
+
+  if (nelements > history_length)
+    nelements = history_length;
+
+  /* Build a buffer of all the lines to write, and write them in one syscall.
+     Suggested by Peter Ho (peter@robosts.oxford.ac.uk). */
+  {
+    HIST_ENTRY **the_history;	/* local */
+    register int j;
+    int buffer_size;
+    char *buffer;
+
+    the_history = history_list ();
+    /* Calculate the total number of bytes to write. */
+    for (buffer_size = 0, i = history_length - nelements; i < history_length; i++)
+      buffer_size += 1 + strlen (the_history[i]->line);
+
+    /* Allocate the buffer, and fill it. */
+#ifdef HAVE_MMAP
+    if (ftruncate (file, buffer_size+cursize) == -1)
+      goto mmap_error;
+    buffer = (char *)mmap (0, buffer_size, PROT_READ|PROT_WRITE, MAP_WFLAGS, file, cursize);
+    if ((void *)buffer == MAP_FAILED)
+      {
+mmap_error:
+	rv = errno;
+	FREE (output);
+	close (file);
+	return rv;
+      }
+#else    
+    buffer = (char *)malloc (buffer_size);
+    if (buffer == 0)
+      {
+      	rv = errno;
+	FREE (output);
+	close (file);
+	return rv;
+      }
+#endif
+
+    for (j = 0, i = history_length - nelements; i < history_length; i++)
+      {
+	strcpy (buffer + j, the_history[i]->line);
+	j += strlen (the_history[i]->line);
+	buffer[j++] = '\n';
+      }
+
+#ifdef HAVE_MMAP
+    if (msync (buffer, buffer_size, 0) != 0 || munmap (buffer, buffer_size) != 0)
+      rv = errno;
+#else
+    if (write (file, buffer, buffer_size) < 0)
+      rv = errno;
+    free (buffer);
+#endif
+  }
+
+  close (file);
+
+  FREE (output);
+
+  return (rv);
+}
+
+/* Append NELEMENT entries to FILENAME.  The entries appended are from
+   the end of the list minus NELEMENTs up to the end of the list. */
+int
+append_history (nelements, filename)
+     int nelements;
+     const char *filename;
+{
+  return (history_do_write (filename, nelements, HISTORY_APPEND));
+}
+
+/* Overwrite FILENAME with the current history.  If FILENAME is NULL,
+   then write the history list to ~/.history.  Values returned
+   are as in read_history ().*/
+int
+write_history (filename)
+     const char *filename;
+{
+  return (history_do_write (filename, history_length, HISTORY_OVERWRITE));
+}
diff --git a/readline-4.3.orig/history.c b/readline-4.3.orig/history.c
new file mode 100644
index 0000000..4242f33
--- /dev/null
+++ b/readline-4.3.orig/history.c
@@ -0,0 +1,381 @@
+/* History.c -- standalone history library */
+
+/* Copyright (C) 1989, 1992 Free Software Foundation, Inc.
+
+   This file contains the GNU History Library (the Library), a set of
+   routines for managing the text of previously typed lines.
+
+   The Library is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   The Library is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   The GNU General Public License is often shipped with GNU software, and
+   is generally kept in a file called COPYING or LICENSE.  If you do not
+   have a copy of the license, write to the Free Software Foundation,
+   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+
+/* The goal is to make the implementation transparent, so that you
+   don't have to know what data types are used, just what functions
+   you can call.  I think I have done that. */
+#define READLINE_LIBRARY
+
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
+
+#include <stdio.h>
+
+#if defined (HAVE_STDLIB_H)
+#  include <stdlib.h>
+#else
+#  include "ansi_stdlib.h"
+#endif /* HAVE_STDLIB_H */
+
+#if defined (HAVE_UNISTD_H)
+#  ifdef _MINIX
+#    include <sys/types.h>
+#  endif
+#  include <unistd.h>
+#endif
+
+#include "history.h"
+#include "histlib.h"
+
+#include "xmalloc.h"
+
+/* The number of slots to increase the_history by. */
+#define DEFAULT_HISTORY_GROW_SIZE 50
+
+/* **************************************************************** */
+/*								    */
+/*			History Functions			    */
+/*								    */
+/* **************************************************************** */
+
+/* An array of HIST_ENTRY.  This is where we store the history. */
+static HIST_ENTRY **the_history = (HIST_ENTRY **)NULL;
+
+/* Non-zero means that we have enforced a limit on the amount of
+   history that we save. */
+static int history_stifled;
+
+/* The current number of slots allocated to the input_history. */
+static int history_size;
+
+/* If HISTORY_STIFLED is non-zero, then this is the maximum number of
+   entries to remember. */
+int history_max_entries;
+int max_input_history;	/* backwards compatibility */
+
+/* The current location of the interactive history pointer.  Just makes
+   life easier for outside callers. */
+int history_offset;
+
+/* The number of strings currently stored in the history list. */
+int history_length;
+
+/* The logical `base' of the history array.  It defaults to 1. */
+int history_base = 1;
+
+/* Return the current HISTORY_STATE of the history. */
+HISTORY_STATE *
+history_get_history_state ()
+{
+  HISTORY_STATE *state;
+
+  state = (HISTORY_STATE *)xmalloc (sizeof (HISTORY_STATE));
+  state->entries = the_history;
+  state->offset = history_offset;
+  state->length = history_length;
+  state->size = history_size;
+  state->flags = 0;
+  if (history_stifled)
+    state->flags |= HS_STIFLED;
+
+  return (state);
+}
+
+/* Set the state of the current history array to STATE. */
+void
+history_set_history_state (state)
+     HISTORY_STATE *state;
+{
+  the_history = state->entries;
+  history_offset = state->offset;
+  history_length = state->length;
+  history_size = state->size;
+  if (state->flags & HS_STIFLED)
+    history_stifled = 1;
+}
+
+/* Begin a session in which the history functions might be used.  This
+   initializes interactive variables. */
+void
+using_history ()
+{
+  history_offset = history_length;
+}
+
+/* Return the number of bytes that the primary history entries are using.
+   This just adds up the lengths of the_history->lines. */
+int
+history_total_bytes ()
+{
+  register int i, result;
+
+  for (i = result = 0; the_history && the_history[i]; i++)
+    result += strlen (the_history[i]->line);
+
+  return (result);
+}
+
+/* Returns the magic number which says what history element we are
+   looking at now.  In this implementation, it returns history_offset. */
+int
+where_history ()
+{
+  return (history_offset);
+}
+
+/* Make the current history item be the one at POS, an absolute index.
+   Returns zero if POS is out of range, else non-zero. */
+int
+history_set_pos (pos)
+     int pos;
+{
+  if (pos > history_length || pos < 0 || !the_history)
+    return (0);
+  history_offset = pos;
+  return (1);
+}
+ 
+/* Return the current history array.  The caller has to be carefull, since this
+   is the actual array of data, and could be bashed or made corrupt easily.
+   The array is terminated with a NULL pointer. */
+HIST_ENTRY **
+history_list ()
+{
+  return (the_history);
+}
+
+/* Return the history entry at the current position, as determined by
+   history_offset.  If there is no entry there, return a NULL pointer. */
+HIST_ENTRY *
+current_history ()
+{
+  return ((history_offset == history_length) || the_history == 0)
+		? (HIST_ENTRY *)NULL
+		: the_history[history_offset];
+}
+
+/* Back up history_offset to the previous history entry, and return
+   a pointer to that entry.  If there is no previous entry then return
+   a NULL pointer. */
+HIST_ENTRY *
+previous_history ()
+{
+  return history_offset ? the_history[--history_offset] : (HIST_ENTRY *)NULL;
+}
+
+/* Move history_offset forward to the next history entry, and return
+   a pointer to that entry.  If there is no next entry then return a
+   NULL pointer. */
+HIST_ENTRY *
+next_history ()
+{
+  return (history_offset == history_length) ? (HIST_ENTRY *)NULL : the_history[++history_offset];
+}
+
+/* Return the history entry which is logically at OFFSET in the history array.
+   OFFSET is relative to history_base. */
+HIST_ENTRY *
+history_get (offset)
+     int offset;
+{
+  int local_index;
+
+  local_index = offset - history_base;
+  return (local_index >= history_length || local_index < 0 || !the_history)
+		? (HIST_ENTRY *)NULL
+		: the_history[local_index];
+}
+
+/* Place STRING at the end of the history list.  The data field
+   is  set to NULL. */
+void
+add_history (string)
+     const char *string;
+{
+  HIST_ENTRY *temp;
+
+  if (history_stifled && (history_length == history_max_entries))
+    {
+      register int i;
+
+      /* If the history is stifled, and history_length is zero,
+	 and it equals history_max_entries, we don't save items. */
+      if (history_length == 0)
+	return;
+
+      /* If there is something in the slot, then remove it. */
+      if (the_history[0])
+	{
+	  free (the_history[0]->line);
+	  free (the_history[0]);
+	}
+
+      /* Copy the rest of the entries, moving down one slot. */
+      for (i = 0; i < history_length; i++)
+	the_history[i] = the_history[i + 1];
+
+      history_base++;
+    }
+  else
+    {
+      if (history_size == 0)
+	{
+	  history_size = DEFAULT_HISTORY_GROW_SIZE;
+	  the_history = (HIST_ENTRY **)xmalloc (history_size * sizeof (HIST_ENTRY *));
+	  history_length = 1;
+	}
+      else
+	{
+	  if (history_length == (history_size - 1))
+	    {
+	      history_size += DEFAULT_HISTORY_GROW_SIZE;
+	      the_history = (HIST_ENTRY **)
+		xrealloc (the_history, history_size * sizeof (HIST_ENTRY *));
+	    }
+	  history_length++;
+	}
+    }
+
+  temp = (HIST_ENTRY *)xmalloc (sizeof (HIST_ENTRY));
+  temp->line = savestring (string);
+  temp->data = (char *)NULL;
+
+  the_history[history_length] = (HIST_ENTRY *)NULL;
+  the_history[history_length - 1] = temp;
+}
+
+/* Make the history entry at WHICH have LINE and DATA.  This returns
+   the old entry so you can dispose of the data.  In the case of an
+   invalid WHICH, a NULL pointer is returned. */
+HIST_ENTRY *
+replace_history_entry (which, line, data)
+     int which;
+     const char *line;
+     histdata_t data;
+{
+  HIST_ENTRY *temp, *old_value;
+
+  if (which >= history_length)
+    return ((HIST_ENTRY *)NULL);
+
+  temp = (HIST_ENTRY *)xmalloc (sizeof (HIST_ENTRY));
+  old_value = the_history[which];
+
+  temp->line = savestring (line);
+  temp->data = data;
+  the_history[which] = temp;
+
+  return (old_value);
+}
+
+/* Remove history element WHICH from the history.  The removed
+   element is returned to you so you can free the line, data,
+   and containing structure. */
+HIST_ENTRY *
+remove_history (which)
+     int which;
+{
+  HIST_ENTRY *return_value;
+  register int i;
+
+  if (which >= history_length || !history_length)
+    return_value = (HIST_ENTRY *)NULL;
+  else
+    {
+      return_value = the_history[which];
+
+      for (i = which; i < history_length; i++)
+	the_history[i] = the_history[i + 1];
+
+      history_length--;
+    }
+
+  return (return_value);
+}
+
+/* Stifle the history list, remembering only MAX number of lines. */
+void
+stifle_history (max)
+     int max;
+{
+  register int i, j;
+
+  if (max < 0)
+    max = 0;
+
+  if (history_length > max)
+    {
+      /* This loses because we cannot free the data. */
+      for (i = 0, j = history_length - max; i < j; i++)
+	{
+	  free (the_history[i]->line);
+	  free (the_history[i]);
+	}
+
+      history_base = i;
+      for (j = 0, i = history_length - max; j < max; i++, j++)
+	the_history[j] = the_history[i];
+      the_history[j] = (HIST_ENTRY *)NULL;
+      history_length = j;
+    }
+
+  history_stifled = 1;
+  max_input_history = history_max_entries = max;
+}
+
+/* Stop stifling the history.  This returns the previous maximum
+   number of history entries.  The value is positive if the history
+   was stifled,  negative if it wasn't. */
+int
+unstifle_history ()
+{
+  if (history_stifled)
+    {
+      history_stifled = 0;
+      return (history_max_entries);
+    }
+  else
+    return (-history_max_entries);
+}
+
+int
+history_is_stifled ()
+{
+  return (history_stifled);
+}
+
+void
+clear_history ()
+{
+  register int i;
+
+  /* This loses because we cannot free the data. */
+  for (i = 0; i < history_length; i++)
+    {
+      free (the_history[i]->line);
+      free (the_history[i]);
+      the_history[i] = (HIST_ENTRY *)NULL;
+    }
+
+  history_offset = history_length = 0;
+}
diff --git a/readline-4.3.orig/histsearch.c b/readline-4.3.orig/histsearch.c
new file mode 100644
index 0000000..d94fd6c
--- /dev/null
+++ b/readline-4.3.orig/histsearch.c
@@ -0,0 +1,195 @@
+/* histsearch.c -- searching the history list. */
+
+/* Copyright (C) 1989, 1992 Free Software Foundation, Inc.
+
+   This file contains the GNU History Library (the Library), a set of
+   routines for managing the text of previously typed lines.
+
+   The Library is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   The Library is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   The GNU General Public License is often shipped with GNU software, and
+   is generally kept in a file called COPYING or LICENSE.  If you do not
+   have a copy of the license, write to the Free Software Foundation,
+   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+
+#define READLINE_LIBRARY
+
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
+
+#include <stdio.h>
+#if defined (HAVE_STDLIB_H)
+#  include <stdlib.h>
+#else
+#  include "ansi_stdlib.h"
+#endif /* HAVE_STDLIB_H */
+
+#if defined (HAVE_UNISTD_H)
+#  ifdef _MINIX
+#    include <sys/types.h>
+#  endif
+#  include <unistd.h>
+#endif
+
+#include "history.h"
+#include "histlib.h"
+
+/* The list of alternate characters that can delimit a history search
+   string. */
+char *history_search_delimiter_chars = (char *)NULL;
+
+static int history_search_internal PARAMS((const char *, int, int));
+
+/* Search the history for STRING, starting at history_offset.
+   If DIRECTION < 0, then the search is through previous entries, else
+   through subsequent.  If ANCHORED is non-zero, the string must
+   appear at the beginning of a history line, otherwise, the string
+   may appear anywhere in the line.  If the string is found, then
+   current_history () is the history entry, and the value of this
+   function is the offset in the line of that history entry that the
+   string was found in.  Otherwise, nothing is changed, and a -1 is
+   returned. */
+
+static int
+history_search_internal (string, direction, anchored)
+     const char *string;
+     int direction, anchored;
+{
+  register int i, reverse;
+  register char *line;
+  register int line_index;
+  int string_len;
+  HIST_ENTRY **the_history; 	/* local */
+
+  i = history_offset;
+  reverse = (direction < 0);
+
+  /* Take care of trivial cases first. */
+  if (string == 0 || *string == '\0')
+    return (-1);
+
+  if (!history_length || ((i == history_length) && !reverse))
+    return (-1);
+
+  if (reverse && (i == history_length))
+    i--;
+
+#define NEXT_LINE() do { if (reverse) i--; else i++; } while (0)
+
+  the_history = history_list ();
+  string_len = strlen (string);
+  while (1)
+    {
+      /* Search each line in the history list for STRING. */
+
+      /* At limit for direction? */
+      if ((reverse && i < 0) || (!reverse && i == history_length))
+	return (-1);
+
+      line = the_history[i]->line;
+      line_index = strlen (line);
+
+      /* If STRING is longer than line, no match. */
+      if (string_len > line_index)
+	{
+	  NEXT_LINE ();
+	  continue;
+	}
+
+      /* Handle anchored searches first. */
+      if (anchored == ANCHORED_SEARCH)
+	{
+	  if (STREQN (string, line, string_len))
+	    {
+	      history_offset = i;
+	      return (0);
+	    }
+
+	  NEXT_LINE ();
+	  continue;
+	}
+
+      /* Do substring search. */
+      if (reverse)
+	{
+	  line_index -= string_len;
+
+	  while (line_index >= 0)
+	    {
+	      if (STREQN (string, line + line_index, string_len))
+		{
+		  history_offset = i;
+		  return (line_index);
+		}
+	      line_index--;
+	    }
+	}
+      else
+	{
+	  register int limit;
+
+	  limit = line_index - string_len + 1;
+	  line_index = 0;
+
+	  while (line_index < limit)
+	    {
+	      if (STREQN (string, line + line_index, string_len))
+		{
+		  history_offset = i;
+		  return (line_index);
+		}
+	      line_index++;
+	    }
+	}
+      NEXT_LINE ();
+    }
+}
+
+/* Do a non-anchored search for STRING through the history in DIRECTION. */
+int
+history_search (string, direction)
+     const char *string;
+     int direction;
+{
+  return (history_search_internal (string, direction, NON_ANCHORED_SEARCH));
+}
+
+/* Do an anchored search for string through the history in DIRECTION. */
+int
+history_search_prefix (string, direction)
+     const char *string;
+     int direction;
+{
+  return (history_search_internal (string, direction, ANCHORED_SEARCH));
+}
+
+/* Search for STRING in the history list.  DIR is < 0 for searching
+   backwards.  POS is an absolute index into the history list at
+   which point to begin searching. */
+int
+history_search_pos (string, dir, pos)
+     const char *string;
+     int dir, pos;
+{
+  int ret, old;
+
+  old = where_history ();
+  history_set_pos (pos);
+  if (history_search (string, dir) == -1)
+    {
+      history_set_pos (old);
+      return (-1);
+    }
+  ret = where_history ();
+  history_set_pos (old);
+  return ret;
+}
diff --git a/readline-4.3.orig/input.c b/readline-4.3.orig/input.c
new file mode 100644
index 0000000..841f05d
--- /dev/null
+++ b/readline-4.3.orig/input.c
@@ -0,0 +1,540 @@
+/* input.c -- character input functions for readline. */
+
+/* Copyright (C) 1994 Free Software Foundation, Inc.
+
+   This file is part of the GNU Readline Library, a library for
+   reading lines of text with interactive input and history editing.
+
+   The GNU Readline Library is free software; you can redistribute it
+   and/or modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2, or
+   (at your option) any later version.
+
+   The GNU Readline Library is distributed in the hope that it will be
+   useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   The GNU General Public License is often shipped with GNU software, and
+   is generally kept in a file called COPYING or LICENSE.  If you do not
+   have a copy of the license, write to the Free Software Foundation,
+   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+#define READLINE_LIBRARY
+
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
+
+#include <sys/types.h>
+#include <fcntl.h>
+#if defined (HAVE_SYS_FILE_H)
+#  include <sys/file.h>
+#endif /* HAVE_SYS_FILE_H */
+
+#if defined (HAVE_UNISTD_H)
+#  include <unistd.h>
+#endif /* HAVE_UNISTD_H */
+
+#if defined (HAVE_STDLIB_H)
+#  include <stdlib.h>
+#else
+#  include "ansi_stdlib.h"
+#endif /* HAVE_STDLIB_H */
+
+#if defined (HAVE_SELECT)
+#  if !defined (HAVE_SYS_SELECT_H) || !defined (M_UNIX)
+#    include <sys/time.h>
+#  endif
+#endif /* HAVE_SELECT */
+#if defined (HAVE_SYS_SELECT_H)
+#  include <sys/select.h>
+#endif
+
+#if defined (FIONREAD_IN_SYS_IOCTL)
+#  include <sys/ioctl.h>
+#endif
+
+#include <stdio.h>
+#include <errno.h>
+
+#if !defined (errno)
+extern int errno;
+#endif /* !errno */
+
+/* System-specific feature definitions and include files. */
+#include "rldefs.h"
+#include "rlmbutil.h"
+
+/* Some standard library routines. */
+#include "readline.h"
+
+#include "rlprivate.h"
+#include "rlshell.h"
+#include "xmalloc.h"
+
+/* What kind of non-blocking I/O do we have? */
+#if !defined (O_NDELAY) && defined (O_NONBLOCK)
+#  define O_NDELAY O_NONBLOCK	/* Posix style */
+#endif
+
+/* Non-null means it is a pointer to a function to run while waiting for
+   character input. */
+rl_hook_func_t *rl_event_hook = (rl_hook_func_t *)NULL;
+
+rl_getc_func_t *rl_getc_function = rl_getc;
+
+static int _keyboard_input_timeout = 100000;		/* 0.1 seconds; it's in usec */
+
+static int ibuffer_space PARAMS((void));
+static int rl_get_char PARAMS((int *));
+static int rl_gather_tyi PARAMS((void));
+
+/* **************************************************************** */
+/*								    */
+/*			Character Input Buffering       	    */
+/*								    */
+/* **************************************************************** */
+
+static int pop_index, push_index;
+static unsigned char ibuffer[512];
+static int ibuffer_len = sizeof (ibuffer) - 1;
+
+#define any_typein (push_index != pop_index)
+
+int
+_rl_any_typein ()
+{
+  return any_typein;
+}
+
+/* Return the amount of space available in the buffer for stuffing
+   characters. */
+static int
+ibuffer_space ()
+{
+  if (pop_index > push_index)
+    return (pop_index - push_index - 1);
+  else
+    return (ibuffer_len - (push_index - pop_index));
+}
+
+/* Get a key from the buffer of characters to be read.
+   Return the key in KEY.
+   Result is KEY if there was a key, or 0 if there wasn't. */
+static int
+rl_get_char (key)
+     int *key;
+{
+  if (push_index == pop_index)
+    return (0);
+
+  *key = ibuffer[pop_index++];
+
+  if (pop_index >= ibuffer_len)
+    pop_index = 0;
+
+  return (1);
+}
+
+/* Stuff KEY into the *front* of the input buffer.
+   Returns non-zero if successful, zero if there is
+   no space left in the buffer. */
+int
+_rl_unget_char (key)
+     int key;
+{
+  if (ibuffer_space ())
+    {
+      pop_index--;
+      if (pop_index < 0)
+	pop_index = ibuffer_len - 1;
+      ibuffer[pop_index] = key;
+      return (1);
+    }
+  return (0);
+}
+
+/* If a character is available to be read, then read it and stuff it into
+   IBUFFER.  Otherwise, just return.  Returns number of characters read
+   (0 if none available) and -1 on error (EIO). */
+static int
+rl_gather_tyi ()
+{
+  int tty;
+  register int tem, result;
+  int chars_avail;
+  char input;
+#if defined(HAVE_SELECT)
+  fd_set readfds, exceptfds;
+  struct timeval timeout;
+#endif
+
+  tty = fileno (rl_instream);
+
+#if defined (HAVE_SELECT)
+  FD_ZERO (&readfds);
+  FD_ZERO (&exceptfds);
+  FD_SET (tty, &readfds);
+  FD_SET (tty, &exceptfds);
+  timeout.tv_sec = 0;
+  timeout.tv_usec = _keyboard_input_timeout;
+  result = select (tty + 1, &readfds, (fd_set *)NULL, &exceptfds, &timeout);
+  if (result <= 0)
+    return 0;	/* Nothing to read. */
+#endif
+
+  result = -1;
+#if defined (FIONREAD)
+  errno = 0;
+  result = ioctl (tty, FIONREAD, &chars_avail);
+  if (result == -1 && errno == EIO)
+    return -1;
+#endif
+
+#if defined (O_NDELAY)
+  if (result == -1)
+    {
+      tem = fcntl (tty, F_GETFL, 0);
+
+      fcntl (tty, F_SETFL, (tem | O_NDELAY));
+      chars_avail = read (tty, &input, 1);
+
+      fcntl (tty, F_SETFL, tem);
+      if (chars_avail == -1 && errno == EAGAIN)
+	return 0;
+    }
+#endif /* O_NDELAY */
+
+  /* If there's nothing available, don't waste time trying to read
+     something. */
+  if (chars_avail <= 0)
+    return 0;
+
+  tem = ibuffer_space ();
+
+  if (chars_avail > tem)
+    chars_avail = tem;
+
+  /* One cannot read all of the available input.  I can only read a single
+     character at a time, or else programs which require input can be
+     thwarted.  If the buffer is larger than one character, I lose.
+     Damn! */
+  if (tem < ibuffer_len)
+    chars_avail = 0;
+
+  if (result != -1)
+    {
+      while (chars_avail--)
+	rl_stuff_char ((*rl_getc_function) (rl_instream));
+    }
+  else
+    {
+      if (chars_avail)
+	rl_stuff_char (input);
+    }
+
+  return 1;
+}
+
+int
+rl_set_keyboard_input_timeout (u)
+     int u;
+{
+  int o;
+
+  o = _keyboard_input_timeout;
+  if (u > 0)
+    _keyboard_input_timeout = u;
+  return (o);
+}
+
+/* Is there input available to be read on the readline input file
+   descriptor?  Only works if the system has select(2) or FIONREAD.
+   Uses the value of _keyboard_input_timeout as the timeout; if another
+   readline function wants to specify a timeout and not leave it up to
+   the user, it should use _rl_input_queued(timeout_value_in_microseconds)
+   instead. */
+int
+_rl_input_available ()
+{
+#if defined(HAVE_SELECT)
+  fd_set readfds, exceptfds;
+  struct timeval timeout;
+#endif
+#if !defined (HAVE_SELECT) && defined(FIONREAD)
+  int chars_avail;
+#endif
+  int tty;
+
+  tty = fileno (rl_instream);
+
+#if defined (HAVE_SELECT)
+  FD_ZERO (&readfds);
+  FD_ZERO (&exceptfds);
+  FD_SET (tty, &readfds);
+  FD_SET (tty, &exceptfds);
+  timeout.tv_sec = 0;
+  timeout.tv_usec = _keyboard_input_timeout;
+  return (select (tty + 1, &readfds, (fd_set *)NULL, &exceptfds, &timeout) > 0);
+#else
+
+#if defined (FIONREAD)
+  if (ioctl (tty, FIONREAD, &chars_avail) == 0)
+    return (chars_avail);
+#endif
+
+#endif
+
+  return 0;
+}
+
+int
+_rl_input_queued (t)
+     int t;
+{
+  int old_timeout, r;
+
+  old_timeout = rl_set_keyboard_input_timeout (t);
+  r = _rl_input_available ();
+  rl_set_keyboard_input_timeout (old_timeout);
+  return r;
+}
+
+void
+_rl_insert_typein (c)
+     int c;     
+{    	
+  int key, t, i;
+  char *string;
+
+  i = key = 0;
+  string = (char *)xmalloc (ibuffer_len + 1);
+  string[i++] = (char) c;
+
+  while ((t = rl_get_char (&key)) &&
+	 _rl_keymap[key].type == ISFUNC &&
+	 _rl_keymap[key].function == rl_insert)
+    string[i++] = key;
+
+  if (t)
+    _rl_unget_char (key);
+
+  string[i] = '\0';
+  rl_insert_text (string);
+  free (string);
+}
+
+/* Add KEY to the buffer of characters to be read.  Returns 1 if the
+   character was stuffed correctly; 0 otherwise. */
+int
+rl_stuff_char (key)
+     int key;
+{
+  if (ibuffer_space () == 0)
+    return 0;
+
+  if (key == EOF)
+    {
+      key = NEWLINE;
+      rl_pending_input = EOF;
+      RL_SETSTATE (RL_STATE_INPUTPENDING);
+    }
+  ibuffer[push_index++] = key;
+  if (push_index >= ibuffer_len)
+    push_index = 0;
+
+  return 1;
+}
+
+/* Make C be the next command to be executed. */
+int
+rl_execute_next (c)
+     int c;
+{
+  rl_pending_input = c;
+  RL_SETSTATE (RL_STATE_INPUTPENDING);
+  return 0;
+}
+
+/* Clear any pending input pushed with rl_execute_next() */
+int
+rl_clear_pending_input ()
+{
+  rl_pending_input = 0;
+  RL_UNSETSTATE (RL_STATE_INPUTPENDING);
+  return 0;
+}
+
+/* **************************************************************** */
+/*								    */
+/*			     Character Input			    */
+/*								    */
+/* **************************************************************** */
+
+/* Read a key, including pending input. */
+int
+rl_read_key ()
+{
+  int c;
+
+  rl_key_sequence_length++;
+
+  if (rl_pending_input)
+    {
+      c = rl_pending_input;
+      rl_clear_pending_input ();
+    }
+  else
+    {
+      /* If input is coming from a macro, then use that. */
+      if (c = _rl_next_macro_key ())
+	return (c);
+
+      /* If the user has an event function, then call it periodically. */
+      if (rl_event_hook)
+	{
+	  while (rl_event_hook && rl_get_char (&c) == 0)
+	    {
+	      (*rl_event_hook) ();
+	      if (rl_done)		/* XXX - experimental */
+		return ('\n');
+	      if (rl_gather_tyi () < 0)	/* XXX - EIO */
+		{
+		  rl_done = 1;
+		  return ('\n');
+		}
+	    }
+	}
+      else
+	{
+	  if (rl_get_char (&c) == 0)
+	    c = (*rl_getc_function) (rl_instream);
+	}
+    }
+
+  return (c);
+}
+
+int
+rl_getc (stream)
+     FILE *stream;
+{
+  int result;
+  unsigned char c;
+
+  while (1)
+    {
+      result = read (fileno (stream), &c, sizeof (unsigned char));
+
+      if (result == sizeof (unsigned char))
+	return (c);
+
+      /* If zero characters are returned, then the file that we are
+	 reading from is empty!  Return EOF in that case. */
+      if (result == 0)
+	return (EOF);
+
+#if defined (__BEOS__)
+      if (errno == EINTR)
+	continue;
+#endif
+
+#if defined (EWOULDBLOCK)
+#  define X_EWOULDBLOCK EWOULDBLOCK
+#else
+#  define X_EWOULDBLOCK -99
+#endif
+
+#if defined (EAGAIN)
+#  define X_EAGAIN EAGAIN
+#else
+#  define X_EAGAIN -99
+#endif
+
+      if (errno == X_EWOULDBLOCK || errno == X_EAGAIN)
+	{
+	  if (sh_unset_nodelay_mode (fileno (stream)) < 0)
+	    return (EOF);
+	  continue;
+	}
+
+#undef X_EWOULDBLOCK
+#undef X_EAGAIN
+
+      /* If the error that we received was SIGINT, then try again,
+	 this is simply an interrupted system call to read ().
+	 Otherwise, some error ocurred, also signifying EOF. */
+      if (errno != EINTR)
+	return (EOF);
+    }
+}
+
+#if defined (HANDLE_MULTIBYTE)
+/* read multibyte char */
+int
+_rl_read_mbchar (mbchar, size)
+     char *mbchar;
+     int size;
+{
+  int mb_len = 0;
+  size_t mbchar_bytes_length;
+  wchar_t wc;
+  mbstate_t ps, ps_back;
+
+  memset(&ps, 0, sizeof (mbstate_t));
+  memset(&ps_back, 0, sizeof (mbstate_t));
+  
+  while (mb_len < size)
+    {
+      RL_SETSTATE(RL_STATE_MOREINPUT);
+      mbchar[mb_len++] = rl_read_key ();
+      RL_UNSETSTATE(RL_STATE_MOREINPUT);
+
+      mbchar_bytes_length = mbrtowc (&wc, mbchar, mb_len, &ps);
+      if (mbchar_bytes_length == (size_t)(-1))
+	break;		/* invalid byte sequence for the current locale */
+      else if (mbchar_bytes_length == (size_t)(-2))
+	{
+	  /* shorted bytes */
+	  ps = ps_back;
+	  continue;
+	} 
+      else if (mbchar_bytes_length > (size_t)(0))
+	break;
+    }
+
+  return mb_len;
+}
+
+/* Read a multibyte-character string whose first character is FIRST into
+   the buffer MB of length MBLEN.  Returns the last character read, which
+   may be FIRST.  Used by the search functions, among others.  Very similar
+   to _rl_read_mbchar. */
+int
+_rl_read_mbstring (first, mb, mblen)
+     int first;
+     char *mb;
+     int mblen;
+{
+  int i, c;
+  mbstate_t ps;
+
+  c = first;
+  memset (mb, 0, mblen);
+  for (i = 0; i < mblen; i++)
+    {
+      mb[i] = (char)c;
+      memset (&ps, 0, sizeof (mbstate_t));
+      if (_rl_get_char_len (mb, &ps) == -2)
+	{
+	  /* Read more for multibyte character */
+	  RL_SETSTATE (RL_STATE_MOREINPUT);
+	  c = rl_read_key ();
+	  RL_UNSETSTATE (RL_STATE_MOREINPUT);
+	}
+      else
+	break;
+    }
+  return c;
+}
+#endif /* HANDLE_MULTIBYTE */
diff --git a/readline-4.3.orig/isearch.c b/readline-4.3.orig/isearch.c
new file mode 100644
index 0000000..c1ea5b3
--- /dev/null
+++ b/readline-4.3.orig/isearch.c
@@ -0,0 +1,560 @@
+/* **************************************************************** */
+/*								    */
+/*			I-Search and Searching			    */
+/*								    */
+/* **************************************************************** */
+
+/* Copyright (C) 1987-2002 Free Software Foundation, Inc.
+
+   This file contains the Readline Library (the Library), a set of
+   routines for providing Emacs style line input to programs that ask
+   for it.
+
+   The Library is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   The Library is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   The GNU General Public License is often shipped with GNU software, and
+   is generally kept in a file called COPYING or LICENSE.  If you do not
+   have a copy of the license, write to the Free Software Foundation,
+   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+#define READLINE_LIBRARY
+
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
+
+#include <sys/types.h>
+
+#include <stdio.h>
+
+#if defined (HAVE_UNISTD_H)
+#  include <unistd.h>
+#endif
+
+#if defined (HAVE_STDLIB_H)
+#  include <stdlib.h>
+#else
+#  include "ansi_stdlib.h"
+#endif
+
+#include "rldefs.h"
+#include "rlmbutil.h"
+
+#include "readline.h"
+#include "history.h"
+
+#include "rlprivate.h"
+#include "xmalloc.h"
+
+/* Variables exported to other files in the readline library. */
+char *_rl_isearch_terminators = (char *)NULL;
+
+/* Variables imported from other files in the readline library. */
+extern HIST_ENTRY *_rl_saved_line_for_history;
+
+/* Forward declarations */
+static int rl_search_history PARAMS((int, int));
+
+/* Last line found by the current incremental search, so we don't `find'
+   identical lines many times in a row. */
+static char *prev_line_found;
+
+/* Last search string and its length. */
+static char *last_isearch_string;
+static int last_isearch_string_len;
+
+static char *default_isearch_terminators = "\033\012";
+
+/* Search backwards through the history looking for a string which is typed
+   interactively.  Start with the current line. */
+int
+rl_reverse_search_history (sign, key)
+     int sign, key;
+{
+  return (rl_search_history (-sign, key));
+}
+
+/* Search forwards through the history looking for a string which is typed
+   interactively.  Start with the current line. */
+int
+rl_forward_search_history (sign, key)
+     int sign, key;
+{
+  return (rl_search_history (sign, key));
+}
+
+/* Display the current state of the search in the echo-area.
+   SEARCH_STRING contains the string that is being searched for,
+   DIRECTION is zero for forward, or 1 for reverse,
+   WHERE is the history list number of the current line.  If it is
+   -1, then this line is the starting one. */
+static void
+rl_display_search (search_string, reverse_p, where)
+     char *search_string;
+     int reverse_p, where;
+{
+  char *message;
+  int msglen, searchlen;
+
+  searchlen = (search_string && *search_string) ? strlen (search_string) : 0;
+
+  message = (char *)xmalloc (searchlen + 33);
+  msglen = 0;
+
+#if defined (NOTDEF)
+  if (where != -1)
+    {
+      sprintf (message, "[%d]", where + history_base);
+      msglen = strlen (message);
+    }
+#endif /* NOTDEF */
+
+  message[msglen++] = '(';
+
+  if (reverse_p)
+    {
+      strcpy (message + msglen, "reverse-");
+      msglen += 8;
+    }
+
+  strcpy (message + msglen, "i-search)`");
+  msglen += 10;
+
+  if (search_string)
+    {
+      strcpy (message + msglen, search_string);
+      msglen += searchlen;
+    }
+
+  strcpy (message + msglen, "': ");
+
+  rl_message ("%s", message);
+  free (message);
+  (*rl_redisplay_function) ();
+}
+
+/* Search through the history looking for an interactively typed string.
+   This is analogous to i-search.  We start the search in the current line.
+   DIRECTION is which direction to search; >= 0 means forward, < 0 means
+   backwards. */
+static int
+rl_search_history (direction, invoking_key)
+     int direction, invoking_key;
+{
+  /* The string that the user types in to search for. */
+  char *search_string;
+
+  /* The current length of SEARCH_STRING. */
+  int search_string_index;
+
+  /* The amount of space that SEARCH_STRING has allocated to it. */
+  int search_string_size;
+
+  /* The list of lines to search through. */
+  char **lines, *allocated_line;
+
+  /* The length of LINES. */
+  int hlen;
+
+  /* Where we get LINES from. */
+  HIST_ENTRY **hlist;
+
+  register int i;
+  int orig_point, orig_mark, orig_line, last_found_line;
+  int c, found, failed, sline_len;
+  int n, wstart, wlen;
+#if defined (HANDLE_MULTIBYTE)
+  char mb[MB_LEN_MAX];
+#endif
+
+  /* The line currently being searched. */
+  char *sline;
+
+  /* Offset in that line. */
+  int line_index;
+
+  /* Non-zero if we are doing a reverse search. */
+  int reverse;
+
+  /* The list of characters which terminate the search, but are not
+     subsequently executed.  If the variable isearch-terminators has
+     been set, we use that value, otherwise we use ESC and C-J. */
+  char *isearch_terminators;
+
+  RL_SETSTATE(RL_STATE_ISEARCH);
+  orig_point = rl_point;
+  orig_mark = rl_mark;
+  last_found_line = orig_line = where_history ();
+  reverse = direction < 0;
+  hlist = history_list ();
+  allocated_line = (char *)NULL;
+
+  isearch_terminators = _rl_isearch_terminators ? _rl_isearch_terminators
+						: default_isearch_terminators;
+
+  /* Create an arrary of pointers to the lines that we want to search. */
+  rl_maybe_replace_line ();
+  i = 0;
+  if (hlist)
+    for (i = 0; hlist[i]; i++);
+
+  /* Allocate space for this many lines, +1 for the current input line,
+     and remember those lines. */
+  lines = (char **)xmalloc ((1 + (hlen = i)) * sizeof (char *));
+  for (i = 0; i < hlen; i++)
+    lines[i] = hlist[i]->line;
+
+  if (_rl_saved_line_for_history)
+    lines[i] = _rl_saved_line_for_history->line;
+  else
+    {
+      /* Keep track of this so we can free it. */
+      allocated_line = (char *)xmalloc (1 + strlen (rl_line_buffer));
+      strcpy (allocated_line, &rl_line_buffer[0]);
+      lines[i] = allocated_line;
+    }
+
+  hlen++;
+
+  /* The line where we start the search. */
+  i = orig_line;
+
+  rl_save_prompt ();
+
+  /* Initialize search parameters. */
+  search_string = (char *)xmalloc (search_string_size = 128);
+  *search_string = '\0';
+  search_string_index = 0;
+  prev_line_found = (char *)0;		/* XXX */
+
+  /* Normalize DIRECTION into 1 or -1. */
+  direction = (direction >= 0) ? 1 : -1;
+
+  rl_display_search (search_string, reverse, -1);
+
+  sline = rl_line_buffer;
+  sline_len = strlen (sline);
+  line_index = rl_point;
+
+  found = failed = 0;
+  for (;;)
+    {
+      rl_command_func_t *f = (rl_command_func_t *)NULL;
+
+      /* Read a key and decide how to proceed. */
+      RL_SETSTATE(RL_STATE_MOREINPUT);
+      c = rl_read_key ();
+      RL_UNSETSTATE(RL_STATE_MOREINPUT);
+
+#if defined (HANDLE_MULTIBYTE)
+      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	c = _rl_read_mbstring (c, mb, MB_LEN_MAX);
+#endif
+
+      /* Translate the keys we do something with to opcodes. */
+      if (c >= 0 && _rl_keymap[c].type == ISFUNC)
+	{
+	  f = _rl_keymap[c].function;
+
+	  if (f == rl_reverse_search_history)
+	    c = reverse ? -1 : -2;
+	  else if (f == rl_forward_search_history)
+	    c =  !reverse ? -1 : -2;
+	  else if (f == rl_rubout)
+	    c = -3;
+	  else if (c == CTRL ('G'))
+	    c = -4;
+	  else if (c == CTRL ('W'))	/* XXX */
+	    c = -5;
+	  else if (c == CTRL ('Y'))	/* XXX */
+	    c = -6;
+	}
+
+      /* The characters in isearch_terminators (set from the user-settable
+	 variable isearch-terminators) are used to terminate the search but
+	 not subsequently execute the character as a command.  The default
+	 value is "\033\012" (ESC and C-J). */
+      if (strchr (isearch_terminators, c))
+	{
+	  /* ESC still terminates the search, but if there is pending
+	     input or if input arrives within 0.1 seconds (on systems
+	     with select(2)) it is used as a prefix character
+	     with rl_execute_next.  WATCH OUT FOR THIS!  This is intended
+	     to allow the arrow keys to be used like ^F and ^B are used
+	     to terminate the search and execute the movement command.
+	     XXX - since _rl_input_available depends on the application-
+	     settable keyboard timeout value, this could alternatively
+	     use _rl_input_queued(100000) */
+	  if (c == ESC && _rl_input_available ())
+	    rl_execute_next (ESC);
+	  break;
+	}
+
+#define ENDSRCH_CHAR(c) \
+  ((CTRL_CHAR (c) || META_CHAR (c) || (c) == RUBOUT) && ((c) != CTRL ('G')))
+
+#if defined (HANDLE_MULTIBYTE)
+      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	{
+	  if (c >= 0 && strlen (mb) == 1 && ENDSRCH_CHAR (c))
+	    {
+	      /* This sets rl_pending_input to c; it will be picked up the next
+		 time rl_read_key is called. */
+	      rl_execute_next (c);
+	      break;
+	    }
+	}
+      else
+#endif
+      if (c >= 0 && ENDSRCH_CHAR (c))
+	{
+	  /* This sets rl_pending_input to c; it will be picked up the next
+	     time rl_read_key is called. */
+	  rl_execute_next (c);
+	  break;
+	}
+
+      switch (c)
+	{
+	case -1:
+	  if (search_string_index == 0)
+	    {
+	      if (last_isearch_string)
+		{
+		  search_string_size = 64 + last_isearch_string_len;
+		  search_string = (char *)xrealloc (search_string, search_string_size);
+		  strcpy (search_string, last_isearch_string);
+		  search_string_index = last_isearch_string_len;
+		  rl_display_search (search_string, reverse, -1);
+		  break;
+		}
+	      continue;
+	    }
+	  else if (reverse)
+	    --line_index;
+	  else if (line_index != sline_len)
+	    ++line_index;
+	  else
+	    rl_ding ();
+	  break;
+
+	  /* switch directions */
+	case -2:
+	  direction = -direction;
+	  reverse = direction < 0;
+	  break;
+
+	/* delete character from search string. */
+	case -3:	/* C-H, DEL */
+	  /* This is tricky.  To do this right, we need to keep a
+	     stack of search positions for the current search, with
+	     sentinels marking the beginning and end.  But this will
+	     do until we have a real isearch-undo. */
+	  if (search_string_index == 0)
+	    rl_ding ();
+	  else
+	    search_string[--search_string_index] = '\0';
+
+	  break;
+
+	case -4:	/* C-G */
+	  rl_replace_line (lines[orig_line], 0);
+	  rl_point = orig_point;
+	  rl_mark = orig_mark;
+	  rl_restore_prompt();
+	  rl_clear_message ();
+	  if (allocated_line)
+	    free (allocated_line);
+	  free (lines);
+	  RL_UNSETSTATE(RL_STATE_ISEARCH);
+	  return 0;
+
+	case -5:	/* C-W */
+	  /* skip over portion of line we already matched */
+	  wstart = rl_point + search_string_index;
+	  if (wstart >= rl_end)
+	    {
+	      rl_ding ();
+	      break;
+	    }
+
+	  /* if not in a word, move to one. */
+	  if (rl_alphabetic(rl_line_buffer[wstart]) == 0)
+	    {
+	      rl_ding ();
+	      break;
+	    }
+	  n = wstart;
+	  while (n < rl_end && rl_alphabetic(rl_line_buffer[n]))
+	    n++;
+	  wlen = n - wstart + 1;
+	  if (search_string_index + wlen + 1 >= search_string_size)
+	    {
+	      search_string_size += wlen + 1;
+	      search_string = (char *)xrealloc (search_string, search_string_size);
+	    }
+	  for (; wstart < n; wstart++)
+	    search_string[search_string_index++] = rl_line_buffer[wstart];
+	  search_string[search_string_index] = '\0';
+	  break;
+
+	case -6:	/* C-Y */
+	  /* skip over portion of line we already matched */
+	  wstart = rl_point + search_string_index;
+	  if (wstart >= rl_end)
+	    {
+	      rl_ding ();
+	      break;
+	    }
+	  n = rl_end - wstart + 1;
+	  if (search_string_index + n + 1 >= search_string_size)
+	    {
+	      search_string_size += n + 1;
+	      search_string = (char *)xrealloc (search_string, search_string_size);
+	    }
+	  for (n = wstart; n < rl_end; n++)
+	    search_string[search_string_index++] = rl_line_buffer[n];
+	  search_string[search_string_index] = '\0';
+	  break;
+
+	default:
+	  /* Add character to search string and continue search. */
+	  if (search_string_index + 2 >= search_string_size)
+	    {
+	      search_string_size += 128;
+	      search_string = (char *)xrealloc (search_string, search_string_size);
+	    }
+#if defined (HANDLE_MULTIBYTE)
+	  if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	    {
+	      int j, l;
+	      for (j = 0, l = strlen (mb); j < l; )
+		search_string[search_string_index++] = mb[j++];
+	    }
+	  else
+#endif
+	    search_string[search_string_index++] = c;
+	  search_string[search_string_index] = '\0';
+	  break;
+	}
+
+      for (found = failed = 0;;)
+	{
+	  int limit = sline_len - search_string_index + 1;
+
+	  /* Search the current line. */
+	  while (reverse ? (line_index >= 0) : (line_index < limit))
+	    {
+	      if (STREQN (search_string, sline + line_index, search_string_index))
+		{
+		  found++;
+		  break;
+		}
+	      else
+		line_index += direction;
+	    }
+	  if (found)
+	    break;
+
+	  /* Move to the next line, but skip new copies of the line
+	     we just found and lines shorter than the string we're
+	     searching for. */
+	  do
+	    {
+	      /* Move to the next line. */
+	      i += direction;
+
+	      /* At limit for direction? */
+	      if (reverse ? (i < 0) : (i == hlen))
+		{
+		  failed++;
+		  break;
+		}
+
+	      /* We will need these later. */
+	      sline = lines[i];
+	      sline_len = strlen (sline);
+	    }
+	  while ((prev_line_found && STREQ (prev_line_found, lines[i])) ||
+		 (search_string_index > sline_len));
+
+	  if (failed)
+	    break;
+
+	  /* Now set up the line for searching... */
+	  line_index = reverse ? sline_len - search_string_index : 0;
+	}
+
+      if (failed)
+	{
+	  /* We cannot find the search string.  Ding the bell. */
+	  rl_ding ();
+	  i = last_found_line;
+	  continue; 		/* XXX - was break */
+	}
+
+      /* We have found the search string.  Just display it.  But don't
+	 actually move there in the history list until the user accepts
+	 the location. */
+      if (found)
+	{
+	  prev_line_found = lines[i];
+	  rl_replace_line (lines[i], 0);
+	  rl_point = line_index;
+	  last_found_line = i;
+	  rl_display_search (search_string, reverse, (i == orig_line) ? -1 : i);
+	}
+    }
+
+  /* The searching is over.  The user may have found the string that she
+     was looking for, or else she may have exited a failing search.  If
+     LINE_INDEX is -1, then that shows that the string searched for was
+     not found.  We use this to determine where to place rl_point. */
+
+  /* First put back the original state. */
+  strcpy (rl_line_buffer, lines[orig_line]);
+
+  rl_restore_prompt ();
+
+  /* Save the search string for possible later use. */
+  FREE (last_isearch_string);
+  last_isearch_string = search_string;
+  last_isearch_string_len = search_string_index;
+
+  if (last_found_line < orig_line)
+    rl_get_previous_history (orig_line - last_found_line, 0);
+  else
+    rl_get_next_history (last_found_line - orig_line, 0);
+
+  /* If the string was not found, put point at the end of the last matching
+     line.  If last_found_line == orig_line, we didn't find any matching
+     history lines at all, so put point back in its original position. */
+  if (line_index < 0)
+    {
+      if (last_found_line == orig_line)
+	line_index = orig_point;
+      else
+	line_index = strlen (rl_line_buffer);
+      rl_mark = orig_mark;
+    }
+
+  rl_point = line_index;
+  /* Don't worry about where to put the mark here; rl_get_previous_history
+     and rl_get_next_history take care of it. */
+
+  rl_clear_message ();
+
+  FREE (allocated_line);
+  free (lines);
+
+  RL_UNSETSTATE(RL_STATE_ISEARCH);
+
+  return 0;
+}
diff --git a/readline-4.3.orig/keymaps.c b/readline-4.3.orig/keymaps.c
new file mode 100644
index 0000000..12506d3
--- /dev/null
+++ b/readline-4.3.orig/keymaps.c
@@ -0,0 +1,150 @@
+/* keymaps.c -- Functions and keymaps for the GNU Readline library. */
+
+/* Copyright (C) 1988,1989 Free Software Foundation, Inc.
+
+   This file is part of GNU Readline, a library for reading lines
+   of text with interactive input and history editing.
+
+   Readline is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+
+   Readline is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with Readline; see the file COPYING.  If not, write to the Free
+   Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+#define READLINE_LIBRARY
+
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
+
+#if defined (HAVE_STDLIB_H)
+#  include <stdlib.h>
+#else
+#  include "ansi_stdlib.h"
+#endif /* HAVE_STDLIB_H */
+
+#include <stdio.h>	/* for FILE * definition for readline.h */
+
+#include "readline.h"
+#include "rlconf.h"
+
+#include "emacs_keymap.c"
+
+#if defined (VI_MODE)
+#include "vi_keymap.c"
+#endif
+
+#include "xmalloc.h"
+
+/* **************************************************************** */
+/*								    */
+/*		      Functions for manipulating Keymaps.	    */
+/*								    */
+/* **************************************************************** */
+
+
+/* Return a new, empty keymap.
+   Free it with free() when you are done. */
+Keymap
+rl_make_bare_keymap ()
+{
+  register int i;
+  Keymap keymap = (Keymap)xmalloc (KEYMAP_SIZE * sizeof (KEYMAP_ENTRY));
+
+  for (i = 0; i < KEYMAP_SIZE; i++)
+    {
+      keymap[i].type = ISFUNC;
+      keymap[i].function = (rl_command_func_t *)NULL;
+    }
+
+  for (i = 'A'; i < ('Z' + 1); i++)
+    {
+      keymap[i].type = ISFUNC;
+      keymap[i].function = rl_do_lowercase_version;
+    }
+
+  return (keymap);
+}
+
+/* Return a new keymap which is a copy of MAP. */
+Keymap
+rl_copy_keymap (map)
+     Keymap map;
+{
+  register int i;
+  Keymap temp = rl_make_bare_keymap ();
+
+  for (i = 0; i < KEYMAP_SIZE; i++)
+    {
+      temp[i].type = map[i].type;
+      temp[i].function = map[i].function;
+    }
+  return (temp);
+}
+
+/* Return a new keymap with the printing characters bound to rl_insert,
+   the uppercase Meta characters bound to run their lowercase equivalents,
+   and the Meta digits bound to produce numeric arguments. */
+Keymap
+rl_make_keymap ()
+{
+  register int i;
+  Keymap newmap;
+
+  newmap = rl_make_bare_keymap ();
+
+  /* All ASCII printing characters are self-inserting. */
+  for (i = ' '; i < 127; i++)
+    newmap[i].function = rl_insert;
+
+  newmap[TAB].function = rl_insert;
+  newmap[RUBOUT].function = rl_rubout;	/* RUBOUT == 127 */
+  newmap[CTRL('H')].function = rl_rubout;
+
+#if KEYMAP_SIZE > 128
+  /* Printing characters in some 8-bit character sets. */
+  for (i = 128; i < 160; i++)
+    newmap[i].function = rl_insert;
+
+  /* ISO Latin-1 printing characters should self-insert. */
+  for (i = 160; i < 256; i++)
+    newmap[i].function = rl_insert;
+#endif /* KEYMAP_SIZE > 128 */
+
+  return (newmap);
+}
+
+/* Free the storage associated with MAP. */
+void
+rl_discard_keymap (map)
+     Keymap map;
+{
+  int i;
+
+  if (!map)
+    return;
+
+  for (i = 0; i < KEYMAP_SIZE; i++)
+    {
+      switch (map[i].type)
+	{
+	case ISFUNC:
+	  break;
+
+	case ISKMAP:
+	  rl_discard_keymap ((Keymap)map[i].function);
+	  break;
+
+	case ISMACR:
+	  free ((char *)map[i].function);
+	  break;
+	}
+    }
+}
diff --git a/readline-4.3.orig/kill.c b/readline-4.3.orig/kill.c
new file mode 100644
index 0000000..a616b92
--- /dev/null
+++ b/readline-4.3.orig/kill.c
@@ -0,0 +1,652 @@
+/* kill.c -- kill ring management. */
+
+/* Copyright (C) 1994 Free Software Foundation, Inc.
+
+   This file is part of the GNU Readline Library, a library for
+   reading lines of text with interactive input and history editing.
+
+   The GNU Readline Library is free software; you can redistribute it
+   and/or modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2, or
+   (at your option) any later version.
+
+   The GNU Readline Library is distributed in the hope that it will be
+   useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   The GNU General Public License is often shipped with GNU software, and
+   is generally kept in a file called COPYING or LICENSE.  If you do not
+   have a copy of the license, write to the Free Software Foundation,
+   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+#define READLINE_LIBRARY
+
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
+
+#include <sys/types.h>
+
+#if defined (HAVE_UNISTD_H)
+#  include <unistd.h>           /* for _POSIX_VERSION */
+#endif /* HAVE_UNISTD_H */
+
+#if defined (HAVE_STDLIB_H)
+#  include <stdlib.h>
+#else
+#  include "ansi_stdlib.h"
+#endif /* HAVE_STDLIB_H */
+
+#include <stdio.h>
+
+/* System-specific feature definitions and include files. */
+#include "rldefs.h"
+
+/* Some standard library routines. */
+#include "readline.h"
+#include "history.h"
+
+#include "rlprivate.h"
+#include "xmalloc.h"
+
+/* **************************************************************** */
+/*								    */
+/*			Killing Mechanism			    */
+/*								    */
+/* **************************************************************** */
+
+/* What we assume for a max number of kills. */
+#define DEFAULT_MAX_KILLS 10
+
+/* The real variable to look at to find out when to flush kills. */
+static int rl_max_kills =  DEFAULT_MAX_KILLS;
+
+/* Where to store killed text. */
+static char **rl_kill_ring = (char **)NULL;
+
+/* Where we are in the kill ring. */
+static int rl_kill_index;
+
+/* How many slots we have in the kill ring. */
+static int rl_kill_ring_length;
+
+static int _rl_copy_to_kill_ring PARAMS((char *, int));
+static int region_kill_internal PARAMS((int));
+static int _rl_copy_word_as_kill PARAMS((int, int));
+static int rl_yank_nth_arg_internal PARAMS((int, int, int));
+
+/* How to say that you only want to save a certain amount
+   of kill material. */
+int
+rl_set_retained_kills (num)
+     int num;
+{
+  return 0;
+}
+
+/* Add TEXT to the kill ring, allocating a new kill ring slot as necessary.
+   This uses TEXT directly, so the caller must not free it.  If APPEND is
+   non-zero, and the last command was a kill, the text is appended to the
+   current kill ring slot, otherwise prepended. */
+static int
+_rl_copy_to_kill_ring (text, append)
+     char *text;
+     int append;
+{
+  char *old, *new;
+  int slot;
+
+  /* First, find the slot to work with. */
+  if (_rl_last_command_was_kill == 0)
+    {
+      /* Get a new slot.  */
+      if (rl_kill_ring == 0)
+	{
+	  /* If we don't have any defined, then make one. */
+	  rl_kill_ring = (char **)
+	    xmalloc (((rl_kill_ring_length = 1) + 1) * sizeof (char *));
+	  rl_kill_ring[slot = 0] = (char *)NULL;
+	}
+      else
+	{
+	  /* We have to add a new slot on the end, unless we have
+	     exceeded the max limit for remembering kills. */
+	  slot = rl_kill_ring_length;
+	  if (slot == rl_max_kills)
+	    {
+	      register int i;
+	      free (rl_kill_ring[0]);
+	      for (i = 0; i < slot; i++)
+		rl_kill_ring[i] = rl_kill_ring[i + 1];
+	    }
+	  else
+	    {
+	      slot = rl_kill_ring_length += 1;
+	      rl_kill_ring = (char **)xrealloc (rl_kill_ring, slot * sizeof (char *));
+	    }
+	  rl_kill_ring[--slot] = (char *)NULL;
+	}
+    }
+  else
+    slot = rl_kill_ring_length - 1;
+
+  /* If the last command was a kill, prepend or append. */
+  if (_rl_last_command_was_kill && rl_editing_mode != vi_mode)
+    {
+      old = rl_kill_ring[slot];
+      new = (char *)xmalloc (1 + strlen (old) + strlen (text));
+
+      if (append)
+	{
+	  strcpy (new, old);
+	  strcat (new, text);
+	}
+      else
+	{
+	  strcpy (new, text);
+	  strcat (new, old);
+	}
+      free (old);
+      free (text);
+      rl_kill_ring[slot] = new;
+    }
+  else
+    rl_kill_ring[slot] = text;
+
+  rl_kill_index = slot;
+  return 0;
+}
+
+/* The way to kill something.  This appends or prepends to the last
+   kill, if the last command was a kill command.  if FROM is less
+   than TO, then the text is appended, otherwise prepended.  If the
+   last command was not a kill command, then a new slot is made for
+   this kill. */
+int
+rl_kill_text (from, to)
+     int from, to;
+{
+  char *text;
+
+  /* Is there anything to kill? */
+  if (from == to)
+    {
+      _rl_last_command_was_kill++;
+      return 0;
+    }
+
+  text = rl_copy_text (from, to);
+
+  /* Delete the copied text from the line. */
+  rl_delete_text (from, to);
+
+  _rl_copy_to_kill_ring (text, from < to);
+
+  _rl_last_command_was_kill++;
+  return 0;
+}
+
+/* Now REMEMBER!  In order to do prepending or appending correctly, kill
+   commands always make rl_point's original position be the FROM argument,
+   and rl_point's extent be the TO argument. */
+
+/* **************************************************************** */
+/*								    */
+/*			Killing Commands			    */
+/*								    */
+/* **************************************************************** */
+
+/* Delete the word at point, saving the text in the kill ring. */
+int
+rl_kill_word (count, key)
+     int count, key;
+{
+  int orig_point;
+
+  if (count < 0)
+    return (rl_backward_kill_word (-count, key));
+  else
+    {
+      orig_point = rl_point;
+      rl_forward_word (count, key);
+
+      if (rl_point != orig_point)
+	rl_kill_text (orig_point, rl_point);
+
+      rl_point = orig_point;
+      if (rl_editing_mode == emacs_mode)
+	rl_mark = rl_point;
+    }
+  return 0;
+}
+
+/* Rubout the word before point, placing it on the kill ring. */
+int
+rl_backward_kill_word (count, ignore)
+     int count, ignore;
+{
+  int orig_point;
+
+  if (count < 0)
+    return (rl_kill_word (-count, ignore));
+  else
+    {
+      orig_point = rl_point;
+      rl_backward_word (count, ignore);
+
+      if (rl_point != orig_point)
+	rl_kill_text (orig_point, rl_point);
+
+      if (rl_editing_mode == emacs_mode)
+	rl_mark = rl_point;
+    }
+  return 0;
+}
+
+/* Kill from here to the end of the line.  If DIRECTION is negative, kill
+   back to the line start instead. */
+int
+rl_kill_line (direction, ignore)
+     int direction, ignore;
+{
+  int orig_point;
+
+  if (direction < 0)
+    return (rl_backward_kill_line (1, ignore));
+  else
+    {
+      orig_point = rl_point;
+      rl_end_of_line (1, ignore);
+      if (orig_point != rl_point)
+	rl_kill_text (orig_point, rl_point);
+      rl_point = orig_point;
+      if (rl_editing_mode == emacs_mode)
+	rl_mark = rl_point;
+    }
+  return 0;
+}
+
+/* Kill backwards to the start of the line.  If DIRECTION is negative, kill
+   forwards to the line end instead. */
+int
+rl_backward_kill_line (direction, ignore)
+     int direction, ignore;
+{
+  int orig_point;
+
+  if (direction < 0)
+    return (rl_kill_line (1, ignore));
+  else
+    {
+      if (!rl_point)
+	rl_ding ();
+      else
+	{
+	  orig_point = rl_point;
+	  rl_beg_of_line (1, ignore);
+	  if (rl_point != orig_point)
+	    rl_kill_text (orig_point, rl_point);
+	  if (rl_editing_mode == emacs_mode)
+	    rl_mark = rl_point;
+	}
+    }
+  return 0;
+}
+
+/* Kill the whole line, no matter where point is. */
+int
+rl_kill_full_line (count, ignore)
+     int count, ignore;
+{
+  rl_begin_undo_group ();
+  rl_point = 0;
+  rl_kill_text (rl_point, rl_end);
+  rl_mark = 0;
+  rl_end_undo_group ();
+  return 0;
+}
+
+/* The next two functions mimic unix line editing behaviour, except they
+   save the deleted text on the kill ring.  This is safer than not saving
+   it, and since we have a ring, nobody should get screwed. */
+
+/* This does what C-w does in Unix.  We can't prevent people from
+   using behaviour that they expect. */
+int
+rl_unix_word_rubout (count, key)
+     int count, key;
+{
+  int orig_point;
+
+  if (rl_point == 0)
+    rl_ding ();
+  else
+    {
+      orig_point = rl_point;
+      if (count <= 0)
+	count = 1;
+
+      while (count--)
+	{
+	  while (rl_point && whitespace (rl_line_buffer[rl_point - 1]))
+	    rl_point--;
+
+	  while (rl_point && (whitespace (rl_line_buffer[rl_point - 1]) == 0))
+	    rl_point--;
+	}
+
+      rl_kill_text (orig_point, rl_point);
+      if (rl_editing_mode == emacs_mode)
+	rl_mark = rl_point;
+    }
+  return 0;
+}
+
+/* Here is C-u doing what Unix does.  You don't *have* to use these
+   key-bindings.  We have a choice of killing the entire line, or
+   killing from where we are to the start of the line.  We choose the
+   latter, because if you are a Unix weenie, then you haven't backspaced
+   into the line at all, and if you aren't, then you know what you are
+   doing. */
+int
+rl_unix_line_discard (count, key)
+     int count, key;
+{
+  if (rl_point == 0)
+    rl_ding ();
+  else
+    {
+      rl_kill_text (rl_point, 0);
+      rl_point = 0;
+      if (rl_editing_mode == emacs_mode)
+	rl_mark = rl_point;
+    }
+  return 0;
+}
+
+/* Copy the text in the `region' to the kill ring.  If DELETE is non-zero,
+   delete the text from the line as well. */
+static int
+region_kill_internal (delete)
+     int delete;
+{
+  char *text;
+
+  if (rl_mark != rl_point)
+    {
+      text = rl_copy_text (rl_point, rl_mark);
+      if (delete)
+	rl_delete_text (rl_point, rl_mark);
+      _rl_copy_to_kill_ring (text, rl_point < rl_mark);
+    }
+
+  _rl_last_command_was_kill++;
+  return 0;
+}
+
+/* Copy the text in the region to the kill ring. */
+int
+rl_copy_region_to_kill (count, ignore)
+     int count, ignore;
+{
+  return (region_kill_internal (0));
+}
+
+/* Kill the text between the point and mark. */
+int
+rl_kill_region (count, ignore)
+     int count, ignore;
+{
+  int r, npoint;
+
+  npoint = (rl_point < rl_mark) ? rl_point : rl_mark;
+  r = region_kill_internal (1);
+  _rl_fix_point (1);
+  rl_point = npoint;
+  return r;
+}
+
+/* Copy COUNT words to the kill ring.  DIR says which direction we look
+   to find the words. */
+static int
+_rl_copy_word_as_kill (count, dir)
+     int count, dir;
+{
+  int om, op, r;
+
+  om = rl_mark;
+  op = rl_point;
+
+  if (dir > 0)
+    rl_forward_word (count, 0);
+  else
+    rl_backward_word (count, 0);
+
+  rl_mark = rl_point;
+
+  if (dir > 0)
+    rl_backward_word (count, 0);
+  else
+    rl_forward_word (count, 0);
+
+  r = region_kill_internal (0);
+
+  rl_mark = om;
+  rl_point = op;
+
+  return r;
+}
+
+int
+rl_copy_forward_word (count, key)
+     int count, key;
+{
+  if (count < 0)
+    return (rl_copy_backward_word (-count, key));
+
+  return (_rl_copy_word_as_kill (count, 1));
+}
+
+int
+rl_copy_backward_word (count, key)
+     int count, key;
+{
+  if (count < 0)
+    return (rl_copy_forward_word (-count, key));
+
+  return (_rl_copy_word_as_kill (count, -1));
+}
+  
+/* Yank back the last killed text.  This ignores arguments. */
+int
+rl_yank (count, ignore)
+     int count, ignore;
+{
+  if (rl_kill_ring == 0)
+    {
+      _rl_abort_internal ();
+      return -1;
+    }
+
+  _rl_set_mark_at_pos (rl_point);
+  rl_insert_text (rl_kill_ring[rl_kill_index]);
+  return 0;
+}
+
+/* If the last command was yank, or yank_pop, and the text just
+   before point is identical to the current kill item, then
+   delete that text from the line, rotate the index down, and
+   yank back some other text. */
+int
+rl_yank_pop (count, key)
+     int count, key;
+{
+  int l, n;
+
+  if (((rl_last_func != rl_yank_pop) && (rl_last_func != rl_yank)) ||
+      !rl_kill_ring)
+    {
+      _rl_abort_internal ();
+      return -1;
+    }
+
+  l = strlen (rl_kill_ring[rl_kill_index]);
+  n = rl_point - l;
+  if (n >= 0 && STREQN (rl_line_buffer + n, rl_kill_ring[rl_kill_index], l))
+    {
+      rl_delete_text (n, rl_point);
+      rl_point = n;
+      rl_kill_index--;
+      if (rl_kill_index < 0)
+	rl_kill_index = rl_kill_ring_length - 1;
+      rl_yank (1, 0);
+      return 0;
+    }
+  else
+    {
+      _rl_abort_internal ();
+      return -1;
+    }
+}
+
+/* Yank the COUNTh argument from the previous history line, skipping
+   HISTORY_SKIP lines before looking for the `previous line'. */
+static int
+rl_yank_nth_arg_internal (count, ignore, history_skip)
+     int count, ignore, history_skip;
+{
+  register HIST_ENTRY *entry;
+  char *arg;
+  int i, pos;
+
+  pos = where_history ();
+
+  if (history_skip)
+    {
+      for (i = 0; i < history_skip; i++)
+	entry = previous_history ();
+    }
+
+  entry = previous_history ();
+
+  history_set_pos (pos);
+
+  if (entry == 0)
+    {
+      rl_ding ();
+      return -1;
+    }
+
+  arg = history_arg_extract (count, count, entry->line);
+  if (!arg || !*arg)
+    {
+      rl_ding ();
+      return -1;
+    }
+
+  rl_begin_undo_group ();
+
+  _rl_set_mark_at_pos (rl_point);
+
+#if defined (VI_MODE)
+  /* Vi mode always inserts a space before yanking the argument, and it
+     inserts it right *after* rl_point. */
+  if (rl_editing_mode == vi_mode)
+    {
+      rl_vi_append_mode (1, ignore);
+      rl_insert_text (" ");
+    }
+#endif /* VI_MODE */
+
+  rl_insert_text (arg);
+  free (arg);
+
+  rl_end_undo_group ();
+  return 0;
+}
+
+/* Yank the COUNTth argument from the previous history line. */
+int
+rl_yank_nth_arg (count, ignore)
+     int count, ignore;
+{
+  return (rl_yank_nth_arg_internal (count, ignore, 0));
+}
+
+/* Yank the last argument from the previous history line.  This `knows'
+   how rl_yank_nth_arg treats a count of `$'.  With an argument, this
+   behaves the same as rl_yank_nth_arg. */
+int
+rl_yank_last_arg (count, key)
+     int count, key;
+{
+  static int history_skip = 0;
+  static int explicit_arg_p = 0;
+  static int count_passed = 1;
+  static int direction = 1;
+  static int undo_needed = 0;
+  int retval;
+
+  if (rl_last_func != rl_yank_last_arg)
+    {
+      history_skip = 0;
+      explicit_arg_p = rl_explicit_arg;
+      count_passed = count;
+      direction = 1;
+    }
+  else
+    {
+      if (undo_needed)
+	rl_do_undo ();
+      if (count < 1)
+        direction = -direction;
+      history_skip += direction;
+      if (history_skip < 0)
+	history_skip = 0;
+    }
+ 
+  if (explicit_arg_p)
+    retval = rl_yank_nth_arg_internal (count_passed, key, history_skip);
+  else
+    retval = rl_yank_nth_arg_internal ('$', key, history_skip);
+
+  undo_needed = retval == 0;
+  return retval;
+}
+
+/* A special paste command for users of Cygnus's cygwin32. */
+#if defined (__CYGWIN__)
+#include <windows.h>
+
+int
+rl_paste_from_clipboard (count, key)
+     int count, key;
+{
+  char *data, *ptr;
+  int len;
+
+  if (OpenClipboard (NULL) == 0)
+    return (0);
+
+  data = (char *)GetClipboardData (CF_TEXT);
+  if (data)
+    {
+      ptr = strchr (data, '\r');
+      if (ptr)
+	{
+	  len = ptr - data;
+	  ptr = (char *)xmalloc (len + 1);
+	  ptr[len] = '\0';
+	  strncpy (ptr, data, len);
+	}
+      else
+        ptr = data;
+      _rl_set_mark_at_pos (rl_point);
+      rl_insert_text (ptr);
+      if (ptr != data)
+	free (ptr);
+      CloseClipboard ();
+    }
+  return (0);
+}
+#endif /* __CYGWIN__ */
diff --git a/readline-4.3.orig/macro.c b/readline-4.3.orig/macro.c
new file mode 100644
index 0000000..b73c3af
--- /dev/null
+++ b/readline-4.3.orig/macro.c
@@ -0,0 +1,262 @@
+/* macro.c -- keyboard macros for readline. */
+
+/* Copyright (C) 1994 Free Software Foundation, Inc.
+
+   This file is part of the GNU Readline Library, a library for
+   reading lines of text with interactive input and history editing.
+
+   The GNU Readline Library is free software; you can redistribute it
+   and/or modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2, or
+   (at your option) any later version.
+
+   The GNU Readline Library is distributed in the hope that it will be
+   useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   The GNU General Public License is often shipped with GNU software, and
+   is generally kept in a file called COPYING or LICENSE.  If you do not
+   have a copy of the license, write to the Free Software Foundation,
+   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+#define READLINE_LIBRARY
+
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
+
+#include <sys/types.h>
+
+#if defined (HAVE_UNISTD_H)
+#  include <unistd.h>           /* for _POSIX_VERSION */
+#endif /* HAVE_UNISTD_H */
+
+#if defined (HAVE_STDLIB_H)
+#  include <stdlib.h>
+#else
+#  include "ansi_stdlib.h"
+#endif /* HAVE_STDLIB_H */
+
+#include <stdio.h>
+
+/* System-specific feature definitions and include files. */
+#include "rldefs.h"
+
+/* Some standard library routines. */
+#include "readline.h"
+#include "history.h"
+
+#include "rlprivate.h"
+#include "xmalloc.h"
+
+/* **************************************************************** */
+/*								    */
+/*			Hacking Keyboard Macros 		    */
+/*								    */
+/* **************************************************************** */
+
+/* The currently executing macro string.  If this is non-zero,
+   then it is a malloc ()'ed string where input is coming from. */
+char *rl_executing_macro = (char *)NULL;
+
+/* The offset in the above string to the next character to be read. */
+static int executing_macro_index;
+
+/* The current macro string being built.  Characters get stuffed
+   in here by add_macro_char (). */
+static char *current_macro = (char *)NULL;
+
+/* The size of the buffer allocated to current_macro. */
+static int current_macro_size;
+
+/* The index at which characters are being added to current_macro. */
+static int current_macro_index;
+
+/* A structure used to save nested macro strings.
+   It is a linked list of string/index for each saved macro. */
+struct saved_macro {
+  struct saved_macro *next;
+  char *string;
+  int sindex;
+};
+
+/* The list of saved macros. */
+static struct saved_macro *macro_list = (struct saved_macro *)NULL;
+
+/* Set up to read subsequent input from STRING.
+   STRING is free ()'ed when we are done with it. */
+void
+_rl_with_macro_input (string)
+     char *string;
+{
+  _rl_push_executing_macro ();
+  rl_executing_macro = string;
+  executing_macro_index = 0;
+  RL_SETSTATE(RL_STATE_MACROINPUT);
+}
+
+/* Return the next character available from a macro, or 0 if
+   there are no macro characters. */
+int
+_rl_next_macro_key ()
+{
+  if (rl_executing_macro == 0)
+    return (0);
+
+  if (rl_executing_macro[executing_macro_index] == 0)
+    {
+      _rl_pop_executing_macro ();
+      return (_rl_next_macro_key ());
+    }
+
+  return (rl_executing_macro[executing_macro_index++]);
+}
+
+/* Save the currently executing macro on a stack of saved macros. */
+void
+_rl_push_executing_macro ()
+{
+  struct saved_macro *saver;
+
+  saver = (struct saved_macro *)xmalloc (sizeof (struct saved_macro));
+  saver->next = macro_list;
+  saver->sindex = executing_macro_index;
+  saver->string = rl_executing_macro;
+
+  macro_list = saver;
+}
+
+/* Discard the current macro, replacing it with the one
+   on the top of the stack of saved macros. */
+void
+_rl_pop_executing_macro ()
+{
+  struct saved_macro *macro;
+
+  FREE (rl_executing_macro);
+  rl_executing_macro = (char *)NULL;
+  executing_macro_index = 0;
+
+  if (macro_list)
+    {
+      macro = macro_list;
+      rl_executing_macro = macro_list->string;
+      executing_macro_index = macro_list->sindex;
+      macro_list = macro_list->next;
+      free (macro);
+    }
+
+  if (rl_executing_macro == 0)
+    RL_UNSETSTATE(RL_STATE_MACROINPUT);
+}
+
+/* Add a character to the macro being built. */
+void
+_rl_add_macro_char (c)
+     int c;
+{
+  if (current_macro_index + 1 >= current_macro_size)
+    {
+      if (current_macro == 0)
+	current_macro = (char *)xmalloc (current_macro_size = 25);
+      else
+	current_macro = (char *)xrealloc (current_macro, current_macro_size += 25);
+    }
+
+  current_macro[current_macro_index++] = c;
+  current_macro[current_macro_index] = '\0';
+}
+
+void
+_rl_kill_kbd_macro ()
+{
+  if (current_macro)
+    {
+      free (current_macro);
+      current_macro = (char *) NULL;
+    }
+  current_macro_size = current_macro_index = 0;
+
+  FREE (rl_executing_macro);
+  rl_executing_macro = (char *) NULL;
+  executing_macro_index = 0;
+
+  RL_UNSETSTATE(RL_STATE_MACRODEF);
+}
+
+/* Begin defining a keyboard macro.
+   Keystrokes are recorded as they are executed.
+   End the definition with rl_end_kbd_macro ().
+   If a numeric argument was explicitly typed, then append this
+   definition to the end of the existing macro, and start by
+   re-executing the existing macro. */
+int
+rl_start_kbd_macro (ignore1, ignore2)
+     int ignore1, ignore2;
+{
+  if (RL_ISSTATE (RL_STATE_MACRODEF))
+    {
+      _rl_abort_internal ();
+      return -1;
+    }
+
+  if (rl_explicit_arg)
+    {
+      if (current_macro)
+	_rl_with_macro_input (savestring (current_macro));
+    }
+  else
+    current_macro_index = 0;
+
+  RL_SETSTATE(RL_STATE_MACRODEF);
+  return 0;
+}
+
+/* Stop defining a keyboard macro.
+   A numeric argument says to execute the macro right now,
+   that many times, counting the definition as the first time. */
+int
+rl_end_kbd_macro (count, ignore)
+     int count, ignore;
+{
+  if (RL_ISSTATE (RL_STATE_MACRODEF) == 0)
+    {
+      _rl_abort_internal ();
+      return -1;
+    }
+
+  current_macro_index -= rl_key_sequence_length - 1;
+  current_macro[current_macro_index] = '\0';
+
+  RL_UNSETSTATE(RL_STATE_MACRODEF);
+
+  return (rl_call_last_kbd_macro (--count, 0));
+}
+
+/* Execute the most recently defined keyboard macro.
+   COUNT says how many times to execute it. */
+int
+rl_call_last_kbd_macro (count, ignore)
+     int count, ignore;
+{
+  if (current_macro == 0)
+    _rl_abort_internal ();
+
+  if (RL_ISSTATE (RL_STATE_MACRODEF))
+    {
+      rl_ding ();		/* no recursive macros */
+      current_macro[--current_macro_index] = '\0';	/* erase this char */
+      return 0;
+    }
+
+  while (count--)
+    _rl_with_macro_input (savestring (current_macro));
+  return 0;
+}
+
+void
+rl_push_macro_input (macro)
+     char *macro;
+{
+  _rl_with_macro_input (macro);
+}
diff --git a/readline-4.3.orig/mbutil.c b/readline-4.3.orig/mbutil.c
new file mode 100644
index 0000000..50302f0
--- /dev/null
+++ b/readline-4.3.orig/mbutil.c
@@ -0,0 +1,337 @@
+/* mbutil.c -- readline multibyte character utility functions */
+
+/* Copyright (C) 2001 Free Software Foundation, Inc.
+
+   This file is part of the GNU Readline Library, a library for
+   reading lines of text with interactive input and history editing.
+
+   The GNU Readline Library is free software; you can redistribute it
+   and/or modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2, or
+   (at your option) any later version.
+
+   The GNU Readline Library is distributed in the hope that it will be
+   useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   The GNU General Public License is often shipped with GNU software, and
+   is generally kept in a file called COPYING or LICENSE.  If you do not
+   have a copy of the license, write to the Free Software Foundation,
+   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+#define READLINE_LIBRARY
+
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
+
+#include <sys/types.h>
+#include <fcntl.h>
+#include "posixjmp.h"
+
+#if defined (HAVE_UNISTD_H)
+#  include <unistd.h>	   /* for _POSIX_VERSION */
+#endif /* HAVE_UNISTD_H */
+
+#if defined (HAVE_STDLIB_H)
+#  include <stdlib.h>
+#else
+#  include "ansi_stdlib.h"
+#endif /* HAVE_STDLIB_H */
+
+#include <stdio.h>
+#include <ctype.h>
+
+/* System-specific feature definitions and include files. */
+#include "rldefs.h"
+#include "rlmbutil.h"
+
+#if defined (TIOCSTAT_IN_SYS_IOCTL)
+#  include <sys/ioctl.h>
+#endif /* TIOCSTAT_IN_SYS_IOCTL */
+
+/* Some standard library routines. */
+#include "readline.h"
+
+#include "rlprivate.h"
+#include "xmalloc.h"
+
+/* Declared here so it can be shared between the readline and history
+   libraries. */
+#if defined (HANDLE_MULTIBYTE)
+int rl_byte_oriented = 0;
+#else
+int rl_byte_oriented = 1;
+#endif
+
+/* **************************************************************** */
+/*								    */
+/*		Multibyte Character Utility Functions		    */
+/*								    */
+/* **************************************************************** */
+
+#if defined(HANDLE_MULTIBYTE)
+
+static int
+_rl_find_next_mbchar_internal (string, seed, count, find_non_zero)
+     char *string;
+     int seed, count, find_non_zero;
+{
+  size_t tmp = 0;
+  mbstate_t ps;
+  int point = 0;
+  wchar_t wc;
+
+  memset(&ps, 0, sizeof (mbstate_t));
+  if (seed < 0)
+    seed = 0;
+  if (count <= 0)
+    return seed;
+
+  point = seed + _rl_adjust_point(string, seed, &ps);
+  /* if this is true, means that seed was not pointed character
+     started byte.  So correct the point and consume count */
+  if (seed < point)
+    count --;
+
+  while (count > 0)  
+    {
+      tmp = mbrtowc (&wc, string+point, strlen(string + point), &ps);
+      if ((size_t)(tmp) == (size_t)-1 || (size_t)(tmp) == (size_t)-2)
+	{
+	  /* invalid bytes. asume a byte represents a character */
+	  point++;
+	  count--;
+	  /* reset states. */
+	  memset(&ps, 0, sizeof(mbstate_t));
+	}
+      else if (tmp == (size_t)0)
+	/* found '\0' char */
+	break;
+      else
+	{
+	  /* valid bytes */
+	  point += tmp;
+	  if (find_non_zero)
+	    {
+	      if (wcwidth (wc) == 0)
+		continue;
+	      else
+		count--;
+	    }
+	  else
+	    count--;
+	}
+    }
+
+  if (find_non_zero)
+    {
+      tmp = mbrtowc (&wc, string + point, strlen (string + point), &ps);
+      while (wcwidth (wc) == 0)
+	{
+	  point += tmp;
+	  tmp = mbrtowc (&wc, string + point, strlen (string + point), &ps);
+	  if (tmp == (size_t)(0) || tmp == (size_t)(-1) || tmp == (size_t)(-2))
+	    break;
+	}
+    }
+    return point;
+}
+
+static int
+_rl_find_prev_mbchar_internal (string, seed, find_non_zero)
+     char *string;
+     int seed, find_non_zero;
+{
+  mbstate_t ps;
+  int prev, non_zero_prev, point, length;
+  size_t tmp;
+  wchar_t wc;
+
+  memset(&ps, 0, sizeof(mbstate_t));
+  length = strlen(string);
+  
+  if (seed < 0)
+    return 0;
+  else if (length < seed)
+    return length;
+
+  prev = non_zero_prev = point = 0;
+  while (point < seed)
+    {
+      tmp = mbrtowc (&wc, string + point, length - point, &ps);
+      if ((size_t)(tmp) == (size_t)-1 || (size_t)(tmp) == (size_t)-2)
+	{
+	  /* in this case, bytes are invalid or shorted to compose
+	     multibyte char, so assume that the first byte represents
+	     a single character anyway. */
+	  tmp = 1;
+	  /* clear the state of the byte sequence, because
+	     in this case effect of mbstate is undefined  */
+	  memset(&ps, 0, sizeof (mbstate_t));
+	}
+      else if (tmp == 0)
+	break;			/* Found '\0' char.  Can this happen? */
+      else
+	{
+	  if (find_non_zero)
+	    {
+	      if (wcwidth (wc) != 0)
+		prev = point;
+	    }
+	  else
+	    prev = point;  
+	}
+
+      point += tmp;
+    }
+
+  return prev;
+}
+
+/* return the number of bytes parsed from the multibyte sequence starting
+   at src, if a non-L'\0' wide character was recognized. It returns 0, 
+   if a L'\0' wide character was recognized. It  returns (size_t)(-1), 
+   if an invalid multibyte sequence was encountered. It returns (size_t)(-2) 
+   if it couldn't parse a complete  multibyte character.  */
+int
+_rl_get_char_len (src, ps)
+     char *src;
+     mbstate_t *ps;
+{
+  size_t tmp;
+
+  tmp = mbrlen((const char *)src, (size_t)strlen (src), ps);
+  if (tmp == (size_t)(-2))
+    {
+      /* shorted to compose multibyte char */
+      memset (ps, 0, sizeof(mbstate_t));
+      return -2;
+    }
+  else if (tmp == (size_t)(-1))
+    {
+      /* invalid to compose multibyte char */
+      /* initialize the conversion state */
+      memset (ps, 0, sizeof(mbstate_t));
+      return -1;
+    }
+  else if (tmp == (size_t)0)
+    return 0;
+  else
+    return (int)tmp;
+}
+
+/* compare the specified two characters. If the characters matched,
+   return 1. Otherwise return 0. */
+int
+_rl_compare_chars (buf1, pos1, ps1, buf2, pos2, ps2)
+     char *buf1, *buf2;
+     mbstate_t *ps1, *ps2;
+     int pos1, pos2;
+{
+  int i, w1, w2;
+
+  if ((w1 = _rl_get_char_len (&buf1[pos1], ps1)) <= 0 || 
+	(w2 = _rl_get_char_len (&buf2[pos2], ps2)) <= 0 ||
+	(w1 != w2) ||
+	(buf1[pos1] != buf2[pos2]))
+    return 0;
+
+  for (i = 1; i < w1; i++)
+    if (buf1[pos1+i] != buf2[pos2+i])
+      return 0;
+
+  return 1;
+}
+
+/* adjust pointed byte and find mbstate of the point of string.
+   adjusted point will be point <= adjusted_point, and returns
+   differences of the byte(adjusted_point - point).
+   if point is invalied (point < 0 || more than string length),
+   it returns -1 */
+int
+_rl_adjust_point(string, point, ps)
+     char *string;
+     int point;
+     mbstate_t *ps;
+{
+  size_t tmp = 0;
+  int length;
+  int pos = 0;
+
+  length = strlen(string);
+  if (point < 0)
+    return -1;
+  if (length < point)
+    return -1;
+  
+  while (pos < point)
+    {
+      tmp = mbrlen (string + pos, length - pos, ps);
+      if((size_t)(tmp) == (size_t)-1 || (size_t)(tmp) == (size_t)-2)
+	{
+	  /* in this case, bytes are invalid or shorted to compose
+	     multibyte char, so assume that the first byte represents
+	     a single character anyway. */
+	  pos++;
+	  /* clear the state of the byte sequence, because
+	     in this case effect of mbstate is undefined  */
+	  memset (ps, 0, sizeof (mbstate_t));
+	}
+      else
+	pos += tmp;
+    }
+
+  return (pos - point);
+}
+
+int
+_rl_is_mbchar_matched (string, seed, end, mbchar, length)
+     char *string;
+     int seed, end;
+     char *mbchar;
+     int length;
+{
+  int i;
+
+  if ((end - seed) < length)
+    return 0;
+
+  for (i = 0; i < length; i++)
+    if (string[seed + i] != mbchar[i])
+      return 0;
+  return 1;
+}
+#endif /* HANDLE_MULTIBYTE */
+
+/* Find next `count' characters started byte point of the specified seed.
+   If flags is MB_FIND_NONZERO, we look for non-zero-width multibyte
+   characters. */
+#undef _rl_find_next_mbchar
+int
+_rl_find_next_mbchar (string, seed, count, flags)
+     char *string;
+     int seed, count, flags;
+{
+#if defined (HANDLE_MULTIBYTE)
+  return _rl_find_next_mbchar_internal (string, seed, count, flags);
+#else
+  return (seed + count);
+#endif
+}
+
+/* Find previous character started byte point of the specified seed.
+   Returned point will be point <= seed.  If flags is MB_FIND_NONZERO,
+   we look for non-zero-width multibyte characters. */
+#undef _rl_find_prev_mbchar
+int
+_rl_find_prev_mbchar (string, seed, flags)
+     char *string;
+     int seed, flags;
+{
+#if defined (HANDLE_MULTIBYTE)
+  return _rl_find_prev_mbchar_internal (string, seed, flags);
+#else
+  return ((seed == 0) ? seed : seed - 1);
+#endif
+}
diff --git a/readline-4.3.orig/misc.c b/readline-4.3.orig/misc.c
new file mode 100644
index 0000000..f3775d3
--- /dev/null
+++ b/readline-4.3.orig/misc.c
@@ -0,0 +1,496 @@
+/* misc.c -- miscellaneous bindable readline functions. */
+
+/* Copyright (C) 1987-2002 Free Software Foundation, Inc.
+
+   This file is part of the GNU Readline Library, a library for
+   reading lines of text with interactive input and history editing.
+
+   The GNU Readline Library is free software; you can redistribute it
+   and/or modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2, or
+   (at your option) any later version.
+
+   The GNU Readline Library is distributed in the hope that it will be
+   useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   The GNU General Public License is often shipped with GNU software, and
+   is generally kept in a file called COPYING or LICENSE.  If you do not
+   have a copy of the license, write to the Free Software Foundation,
+   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+#define READLINE_LIBRARY
+
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
+
+#if defined (HAVE_UNISTD_H)
+#  include <unistd.h>
+#endif /* HAVE_UNISTD_H */
+
+#if defined (HAVE_STDLIB_H)
+#  include <stdlib.h>
+#else
+#  include "ansi_stdlib.h"
+#endif /* HAVE_STDLIB_H */
+
+#if defined (HAVE_LOCALE_H)
+#  include <locale.h>
+#endif
+
+#include <stdio.h>
+
+/* System-specific feature definitions and include files. */
+#include "rldefs.h"
+#include "rlmbutil.h"
+
+/* Some standard library routines. */
+#include "readline.h"
+#include "history.h"
+
+#include "rlprivate.h"
+#include "rlshell.h"
+#include "xmalloc.h"
+
+static int rl_digit_loop PARAMS((void));
+static void _rl_history_set_point PARAMS((void));
+
+/* Forward declarations used in this file */
+void _rl_free_history_entry PARAMS((HIST_ENTRY *));
+
+/* If non-zero, rl_get_previous_history and rl_get_next_history attempt
+   to preserve the value of rl_point from line to line. */
+int _rl_history_preserve_point = 0;
+
+/* Saved target point for when _rl_history_preserve_point is set.  Special
+   value of -1 means that point is at the end of the line. */
+int _rl_history_saved_point = -1;
+
+/* **************************************************************** */
+/*								    */
+/*			Numeric Arguments			    */
+/*								    */
+/* **************************************************************** */
+
+/* Handle C-u style numeric args, as well as M--, and M-digits. */
+static int
+rl_digit_loop ()
+{
+  int key, c, sawminus, sawdigits;
+
+  rl_save_prompt ();
+
+  RL_SETSTATE(RL_STATE_NUMERICARG);
+  sawminus = sawdigits = 0;
+  while (1)
+    {
+      if (rl_numeric_arg > 1000000)
+	{
+	  sawdigits = rl_explicit_arg = rl_numeric_arg = 0;
+	  rl_ding ();
+	  rl_restore_prompt ();
+	  rl_clear_message ();
+	  RL_UNSETSTATE(RL_STATE_NUMERICARG);
+	  return 1;
+	}
+      rl_message ("(arg: %d) ", rl_arg_sign * rl_numeric_arg);
+      RL_SETSTATE(RL_STATE_MOREINPUT);
+      key = c = rl_read_key ();
+      RL_UNSETSTATE(RL_STATE_MOREINPUT);
+
+      if (c < 0)
+	{
+	  _rl_abort_internal ();
+	  return -1;
+	}
+
+      /* If we see a key bound to `universal-argument' after seeing digits,
+	 it ends the argument but is otherwise ignored. */
+      if (_rl_keymap[c].type == ISFUNC &&
+	  _rl_keymap[c].function == rl_universal_argument)
+	{
+	  if (sawdigits == 0)
+	    {
+	      rl_numeric_arg *= 4;
+	      continue;
+	    }
+	  else
+	    {
+	      RL_SETSTATE(RL_STATE_MOREINPUT);
+	      key = rl_read_key ();
+	      RL_UNSETSTATE(RL_STATE_MOREINPUT);
+	      rl_restore_prompt ();
+	      rl_clear_message ();
+	      RL_UNSETSTATE(RL_STATE_NUMERICARG);
+	      return (_rl_dispatch (key, _rl_keymap));
+	    }
+	}
+
+      c = UNMETA (c);
+
+      if (_rl_digit_p (c))
+	{
+	  rl_numeric_arg = rl_explicit_arg ? (rl_numeric_arg * 10) + c - '0' : c - '0';
+	  sawdigits = rl_explicit_arg = 1;
+	}
+      else if (c == '-' && rl_explicit_arg == 0)
+	{
+	  rl_numeric_arg = sawminus = 1;
+	  rl_arg_sign = -1;
+	}
+      else
+	{
+	  /* Make M-- command equivalent to M--1 command. */
+	  if (sawminus && rl_numeric_arg == 1 && rl_explicit_arg == 0)
+	    rl_explicit_arg = 1;
+	  rl_restore_prompt ();
+	  rl_clear_message ();
+	  RL_UNSETSTATE(RL_STATE_NUMERICARG);
+	  return (_rl_dispatch (key, _rl_keymap));
+	}
+    }
+
+  /*NOTREACHED*/
+}
+
+/* Add the current digit to the argument in progress. */
+int
+rl_digit_argument (ignore, key)
+     int ignore, key;
+{
+  rl_execute_next (key);
+  return (rl_digit_loop ());
+}
+
+/* What to do when you abort reading an argument. */
+int
+rl_discard_argument ()
+{
+  rl_ding ();
+  rl_clear_message ();
+  _rl_init_argument ();
+  return 0;
+}
+
+/* Create a default argument. */
+int
+_rl_init_argument ()
+{
+  rl_numeric_arg = rl_arg_sign = 1;
+  rl_explicit_arg = 0;
+  return 0;
+}
+
+/* C-u, universal argument.  Multiply the current argument by 4.
+   Read a key.  If the key has nothing to do with arguments, then
+   dispatch on it.  If the key is the abort character then abort. */
+int
+rl_universal_argument (count, key)
+     int count, key;
+{
+  rl_numeric_arg *= 4;
+  return (rl_digit_loop ());
+}
+
+/* **************************************************************** */
+/*								    */
+/*			History Utilities			    */
+/*								    */
+/* **************************************************************** */
+
+/* We already have a history library, and that is what we use to control
+   the history features of readline.  This is our local interface to
+   the history mechanism. */
+
+/* While we are editing the history, this is the saved
+   version of the original line. */
+HIST_ENTRY *_rl_saved_line_for_history = (HIST_ENTRY *)NULL;
+
+/* Set the history pointer back to the last entry in the history. */
+void
+_rl_start_using_history ()
+{
+  using_history ();
+  if (_rl_saved_line_for_history)
+    _rl_free_history_entry (_rl_saved_line_for_history);
+
+  _rl_saved_line_for_history = (HIST_ENTRY *)NULL;
+}
+
+/* Free the contents (and containing structure) of a HIST_ENTRY. */
+void
+_rl_free_history_entry (entry)
+     HIST_ENTRY *entry;
+{
+  if (entry == 0)
+    return;
+  if (entry->line)
+    free (entry->line);
+  free (entry);
+}
+
+/* Perhaps put back the current line if it has changed. */
+int
+rl_maybe_replace_line ()
+{
+  HIST_ENTRY *temp;
+
+  temp = current_history ();
+  /* If the current line has changed, save the changes. */
+  if (temp && ((UNDO_LIST *)(temp->data) != rl_undo_list))
+    {
+      temp = replace_history_entry (where_history (), rl_line_buffer, (histdata_t)rl_undo_list);
+      free (temp->line);
+      free (temp);
+    }
+  return 0;
+}
+
+/* Restore the _rl_saved_line_for_history if there is one. */
+int
+rl_maybe_unsave_line ()
+{
+  if (_rl_saved_line_for_history)
+    {
+      rl_replace_line (_rl_saved_line_for_history->line, 0);
+      rl_undo_list = (UNDO_LIST *)_rl_saved_line_for_history->data;
+      _rl_free_history_entry (_rl_saved_line_for_history);
+      _rl_saved_line_for_history = (HIST_ENTRY *)NULL;
+      rl_point = rl_end;	/* rl_replace_line sets rl_end */
+    }
+  else
+    rl_ding ();
+  return 0;
+}
+
+/* Save the current line in _rl_saved_line_for_history. */
+int
+rl_maybe_save_line ()
+{
+  if (_rl_saved_line_for_history == 0)
+    {
+      _rl_saved_line_for_history = (HIST_ENTRY *)xmalloc (sizeof (HIST_ENTRY));
+      _rl_saved_line_for_history->line = savestring (rl_line_buffer);
+      _rl_saved_line_for_history->data = (char *)rl_undo_list;
+    }
+  return 0;
+}
+
+int
+_rl_free_saved_history_line ()
+{
+  if (_rl_saved_line_for_history)
+    {
+      _rl_free_history_entry (_rl_saved_line_for_history);
+      _rl_saved_line_for_history = (HIST_ENTRY *)NULL;
+    }
+  return 0;
+}
+
+static void
+_rl_history_set_point ()
+{
+  rl_point = (_rl_history_preserve_point && _rl_history_saved_point != -1)
+		? _rl_history_saved_point
+		: rl_end;
+  if (rl_point > rl_end)
+    rl_point = rl_end;
+
+#if defined (VI_MODE)
+  if (rl_editing_mode == vi_mode)
+    rl_point = 0;
+#endif /* VI_MODE */
+
+  if (rl_editing_mode == emacs_mode)
+    rl_mark = (rl_point == rl_end ? 0 : rl_end);
+}
+
+void
+rl_replace_from_history (entry, flags)
+     HIST_ENTRY *entry;
+     int flags;			/* currently unused */
+{
+  rl_replace_line (entry->line, 0);
+  rl_undo_list = (UNDO_LIST *)entry->data;
+  rl_point = rl_end;
+  rl_mark = 0;
+
+#if defined (VI_MODE)
+  if (rl_editing_mode == vi_mode)
+    {
+      rl_point = 0;
+      rl_mark = rl_end;
+    }
+#endif
+}  
+
+/* **************************************************************** */
+/*								    */
+/*			History Commands			    */
+/*								    */
+/* **************************************************************** */
+
+/* Meta-< goes to the start of the history. */
+int
+rl_beginning_of_history (count, key)
+     int count, key;
+{
+  return (rl_get_previous_history (1 + where_history (), key));
+}
+
+/* Meta-> goes to the end of the history.  (The current line). */
+int
+rl_end_of_history (count, key)
+     int count, key;
+{
+  rl_maybe_replace_line ();
+  using_history ();
+  rl_maybe_unsave_line ();
+  return 0;
+}
+
+/* Move down to the next history line. */
+int
+rl_get_next_history (count, key)
+     int count, key;
+{
+  HIST_ENTRY *temp;
+
+  if (count < 0)
+    return (rl_get_previous_history (-count, key));
+
+  if (count == 0)
+    return 0;
+
+  rl_maybe_replace_line ();
+
+  /* either not saved by rl_newline or at end of line, so set appropriately. */
+  if (_rl_history_saved_point == -1 && (rl_point || rl_end))
+    _rl_history_saved_point = (rl_point == rl_end) ? -1 : rl_point;
+
+  temp = (HIST_ENTRY *)NULL;
+  while (count)
+    {
+      temp = next_history ();
+      if (!temp)
+	break;
+      --count;
+    }
+
+  if (temp == 0)
+    rl_maybe_unsave_line ();
+  else
+    {
+      rl_replace_from_history (temp, 0);
+      _rl_history_set_point ();
+    }
+  return 0;
+}
+
+/* Get the previous item out of our interactive history, making it the current
+   line.  If there is no previous history, just ding. */
+int
+rl_get_previous_history (count, key)
+     int count, key;
+{
+  HIST_ENTRY *old_temp, *temp;
+
+  if (count < 0)
+    return (rl_get_next_history (-count, key));
+
+  if (count == 0)
+    return 0;
+
+  /* either not saved by rl_newline or at end of line, so set appropriately. */
+  if (_rl_history_saved_point == -1 && (rl_point || rl_end))
+    _rl_history_saved_point = (rl_point == rl_end) ? -1 : rl_point;
+
+  /* If we don't have a line saved, then save this one. */
+  rl_maybe_save_line ();
+
+  /* If the current line has changed, save the changes. */
+  rl_maybe_replace_line ();
+
+  temp = old_temp = (HIST_ENTRY *)NULL;
+  while (count)
+    {
+      temp = previous_history ();
+      if (temp == 0)
+	break;
+
+      old_temp = temp;
+      --count;
+    }
+
+  /* If there was a large argument, and we moved back to the start of the
+     history, that is not an error.  So use the last value found. */
+  if (!temp && old_temp)
+    temp = old_temp;
+
+  if (temp == 0)
+    rl_ding ();
+  else
+    {
+      rl_replace_from_history (temp, 0);
+      _rl_history_set_point ();
+    }
+  return 0;
+}
+
+/* **************************************************************** */
+/*								    */
+/*			    Editing Modes			    */
+/*								    */
+/* **************************************************************** */
+/* How to toggle back and forth between editing modes. */
+int
+rl_vi_editing_mode (count, key)
+     int count, key;
+{
+#if defined (VI_MODE)
+  _rl_set_insert_mode (RL_IM_INSERT, 1);	/* vi mode ignores insert mode */
+  rl_editing_mode = vi_mode;
+  rl_vi_insertion_mode (1, key);
+#endif /* VI_MODE */
+
+  return 0;
+}
+
+int
+rl_emacs_editing_mode (count, key)
+     int count, key;
+{
+  rl_editing_mode = emacs_mode;
+  _rl_set_insert_mode (RL_IM_INSERT, 1); /* emacs mode default is insert mode */
+  _rl_keymap = emacs_standard_keymap;
+  return 0;
+}
+
+/* Function for the rest of the library to use to set insert/overwrite mode. */
+void
+_rl_set_insert_mode (im, force)
+     int im, force;
+{
+#ifdef CURSOR_MODE
+  _rl_set_cursor (im, force);
+#endif
+
+  rl_insert_mode = im;
+}
+
+/* Toggle overwrite mode.  A positive explicit argument selects overwrite
+   mode.  A negative or zero explicit argument selects insert mode. */
+int
+rl_overwrite_mode (count, key)
+     int count, key;
+{
+  if (rl_explicit_arg == 0)
+    _rl_set_insert_mode (rl_insert_mode ^ 1, 0);
+  else if (count > 0)
+    _rl_set_insert_mode (RL_IM_OVERWRITE, 0);
+  else
+    _rl_set_insert_mode (RL_IM_INSERT, 0);
+
+  return 0;
+}
diff --git a/readline-4.3.orig/nls.c b/readline-4.3.orig/nls.c
new file mode 100644
index 0000000..706c819
--- /dev/null
+++ b/readline-4.3.orig/nls.c
@@ -0,0 +1,225 @@
+/* nls.c -- skeletal internationalization code. */
+
+/* Copyright (C) 1996 Free Software Foundation, Inc.
+
+   This file is part of the GNU Readline Library, a library for
+   reading lines of text with interactive input and history editing.
+
+   The GNU Readline Library is free software; you can redistribute it
+   and/or modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2, or
+   (at your option) any later version.
+
+   The GNU Readline Library is distributed in the hope that it will be
+   useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   The GNU General Public License is often shipped with GNU software, and
+   is generally kept in a file called COPYING or LICENSE.  If you do not
+   have a copy of the license, write to the Free Software Foundation,
+   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+#define READLINE_LIBRARY
+
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
+
+#include <sys/types.h>
+
+#include <stdio.h>
+
+#if defined (HAVE_UNISTD_H)
+#  include <unistd.h>
+#endif /* HAVE_UNISTD_H */
+
+#if defined (HAVE_STDLIB_H)
+#  include <stdlib.h>
+#else
+#  include "ansi_stdlib.h"
+#endif /* HAVE_STDLIB_H */
+
+#if defined (HAVE_LOCALE_H)
+#  include <locale.h>
+#endif
+
+#include <ctype.h>
+
+#include "rldefs.h"
+#include "readline.h"
+#include "rlshell.h"
+#include "rlprivate.h"
+
+#if !defined (HAVE_SETLOCALE)    
+/* A list of legal values for the LANG or LC_CTYPE environment variables.
+   If a locale name in this list is the value for the LC_ALL, LC_CTYPE,
+   or LANG environment variable (using the first of those with a value),
+   readline eight-bit mode is enabled. */
+static char *legal_lang_values[] =
+{
+ "iso88591",
+ "iso88592",
+ "iso88593",
+ "iso88594",
+ "iso88595",
+ "iso88596",
+ "iso88597",
+ "iso88598",
+ "iso88599",
+ "iso885910",
+ "koi8r",
+  0
+};
+
+static char *normalize_codeset PARAMS((char *));
+static char *find_codeset PARAMS((char *, size_t *));
+#endif /* !HAVE_SETLOCALE */
+
+/* Check for LC_ALL, LC_CTYPE, and LANG and use the first with a value
+   to decide the defaults for 8-bit character input and output.  Returns
+   1 if we set eight-bit mode. */
+int
+_rl_init_eightbit ()
+{
+/* If we have setlocale(3), just check the current LC_CTYPE category
+   value, and go into eight-bit mode if it's not C or POSIX. */
+#if defined (HAVE_SETLOCALE)
+  char *t;
+
+  /* Set the LC_CTYPE locale category from environment variables. */
+  t = setlocale (LC_CTYPE, "");
+  if (t && *t && (t[0] != 'C' || t[1]) && (STREQ (t, "POSIX") == 0))
+    {
+      _rl_meta_flag = 1;
+      _rl_convert_meta_chars_to_ascii = 0;
+      _rl_output_meta_chars = 1;
+      return (1);
+    }
+  else
+    return (0);
+
+#else /* !HAVE_SETLOCALE */
+  char *lspec, *t;
+  int i;
+
+  /* We don't have setlocale.  Finesse it.  Check the environment for the
+     appropriate variables and set eight-bit mode if they have the right
+     values. */
+  lspec = sh_get_env_value ("LC_ALL");
+  if (lspec == 0) lspec = sh_get_env_value ("LC_CTYPE");
+  if (lspec == 0) lspec = sh_get_env_value ("LANG");
+  if (lspec == 0 || (t = normalize_codeset (lspec)) == 0)
+    return (0);
+  for (i = 0; t && legal_lang_values[i]; i++)
+    if (STREQ (t, legal_lang_values[i]))
+      {
+	_rl_meta_flag = 1;
+	_rl_convert_meta_chars_to_ascii = 0;
+	_rl_output_meta_chars = 1;
+	break;
+      }
+  free (t);
+  return (legal_lang_values[i] ? 1 : 0);
+
+#endif /* !HAVE_SETLOCALE */
+}
+
+#if !defined (HAVE_SETLOCALE)
+static char *
+normalize_codeset (codeset)
+     char *codeset;
+{
+  size_t namelen, i;
+  int len, all_digits;
+  char *wp, *retval;
+
+  codeset = find_codeset (codeset, &namelen);
+
+  if (codeset == 0)
+    return (codeset);
+
+  all_digits = 1;
+  for (len = 0, i = 0; i < namelen; i++)
+    {
+      if (ISALNUM ((unsigned char)codeset[i]))
+	{
+	  len++;
+	  all_digits &= _rl_digit_p (codeset[i]);
+	}
+    }
+
+  retval = (char *)malloc ((all_digits ? 3 : 0) + len + 1);
+  if (retval == 0)
+    return ((char *)0);
+
+  wp = retval;
+  /* Add `iso' to beginning of an all-digit codeset */
+  if (all_digits)
+    {
+      *wp++ = 'i';
+      *wp++ = 's';
+      *wp++ = 'o';
+    }
+
+  for (i = 0; i < namelen; i++)
+    if (ISALPHA ((unsigned char)codeset[i]))
+      *wp++ = _rl_to_lower (codeset[i]);
+    else if (_rl_digit_p (codeset[i]))
+      *wp++ = codeset[i];
+  *wp = '\0';
+
+  return retval;
+}
+
+/* Isolate codeset portion of locale specification. */
+static char *
+find_codeset (name, lenp)
+     char *name;
+     size_t *lenp;
+{
+  char *cp, *language, *result;
+
+  cp = language = name;
+  result = (char *)0;
+
+  while (*cp && *cp != '_' && *cp != '@' && *cp != '+' && *cp != ',')
+    cp++;
+
+  /* This does not make sense: language has to be specified.  As
+     an exception we allow the variable to contain only the codeset
+     name.  Perhaps there are funny codeset names.  */
+  if (language == cp) 
+    {
+      *lenp = strlen (language);
+      result = language;
+    }
+  else
+    {
+      /* Next is the territory. */
+      if (*cp == '_')
+	do
+	  ++cp;
+	while (*cp && *cp != '.' && *cp != '@' && *cp != '+' && *cp != ',' && *cp != '_');
+
+      /* Now, finally, is the codeset. */
+      result = cp;
+      if (*cp == '.')
+	do
+	  ++cp;
+	while (*cp && *cp != '@');
+
+      if (cp - result > 2)
+	{
+	  result++;
+	  *lenp = cp - result;
+	}
+      else
+	{
+	  *lenp = strlen (language);
+	  result = language;
+	}
+    }
+
+  return result;
+}
+#endif /* !HAVE_SETLOCALE */
diff --git a/readline-4.3.orig/parens.c b/readline-4.3.orig/parens.c
new file mode 100644
index 0000000..54ef1f3
--- /dev/null
+++ b/readline-4.3.orig/parens.c
@@ -0,0 +1,179 @@
+/* parens.c -- Implementation of matching parentheses feature. */
+
+/* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc.
+
+   This file is part of the GNU Readline Library, a library for
+   reading lines of text with interactive input and history editing.
+
+   The GNU Readline Library is free software; you can redistribute it
+   and/or modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2, or
+   (at your option) any later version.
+
+   The GNU Readline Library is distributed in the hope that it will be
+   useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   The GNU General Public License is often shipped with GNU software, and
+   is generally kept in a file called COPYING or LICENSE.  If you do not
+   have a copy of the license, write to the Free Software Foundation,
+   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+#define READLINE_LIBRARY
+
+#include "rlconf.h"
+
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
+
+#include <stdio.h>
+#include <sys/types.h>
+
+#if defined (HAVE_UNISTD_H)
+#  include <unistd.h>
+#endif
+
+#if defined (FD_SET) && !defined (HAVE_SELECT)
+#  define HAVE_SELECT
+#endif
+
+#if defined (HAVE_SELECT)
+#  include <sys/time.h>
+#endif /* HAVE_SELECT */
+#if defined (HAVE_SYS_SELECT_H)
+#  include <sys/select.h>
+#endif
+
+#if defined (HAVE_STRING_H)
+#  include <string.h>
+#else /* !HAVE_STRING_H */
+#  include <strings.h>
+#endif /* !HAVE_STRING_H */
+
+#if !defined (strchr) && !defined (__STDC__)
+extern char *strchr (), *strrchr ();
+#endif /* !strchr && !__STDC__ */
+
+#include "readline.h"
+#include "rlprivate.h"
+
+static int find_matching_open PARAMS((char *, int, int));
+
+/* Non-zero means try to blink the matching open parenthesis when the
+   close parenthesis is inserted. */
+#if defined (HAVE_SELECT)
+int rl_blink_matching_paren = 1;
+#else /* !HAVE_SELECT */
+int rl_blink_matching_paren = 0;
+#endif /* !HAVE_SELECT */
+
+static int _paren_blink_usec = 500000;
+
+/* Change emacs_standard_keymap to have bindings for paren matching when
+   ON_OR_OFF is 1, change them back to self_insert when ON_OR_OFF == 0. */
+void
+_rl_enable_paren_matching (on_or_off)
+     int on_or_off;
+{
+  if (on_or_off)
+    {	/* ([{ */
+      rl_bind_key_in_map (')', rl_insert_close, emacs_standard_keymap);
+      rl_bind_key_in_map (']', rl_insert_close, emacs_standard_keymap);
+      rl_bind_key_in_map ('}', rl_insert_close, emacs_standard_keymap);
+    }
+  else
+    {	/* ([{ */
+      rl_bind_key_in_map (')', rl_insert, emacs_standard_keymap);
+      rl_bind_key_in_map (']', rl_insert, emacs_standard_keymap);
+      rl_bind_key_in_map ('}', rl_insert, emacs_standard_keymap);
+    }
+}
+
+int
+rl_set_paren_blink_timeout (u)
+     int u;
+{
+  int o;
+
+  o = _paren_blink_usec;
+  if (u > 0)
+    _paren_blink_usec = u;
+  return (o);
+}
+
+int
+rl_insert_close (count, invoking_key)
+     int count, invoking_key;
+{
+  if (rl_explicit_arg || !rl_blink_matching_paren)
+    _rl_insert_char (count, invoking_key);
+  else
+    {
+#if defined (HAVE_SELECT)
+      int orig_point, match_point, ready;
+      struct timeval timer;
+      fd_set readfds;
+
+      _rl_insert_char (1, invoking_key);
+      (*rl_redisplay_function) ();
+      match_point =
+	find_matching_open (rl_line_buffer, rl_point - 2, invoking_key);
+
+      /* Emacs might message or ring the bell here, but I don't. */
+      if (match_point < 0)
+	return -1;
+
+      FD_ZERO (&readfds);
+      FD_SET (fileno (rl_instream), &readfds);
+      timer.tv_sec = 0;
+      timer.tv_usec = _paren_blink_usec;
+
+      orig_point = rl_point;
+      rl_point = match_point;
+      (*rl_redisplay_function) ();
+      ready = select (1, &readfds, (fd_set *)NULL, (fd_set *)NULL, &timer);
+      rl_point = orig_point;
+#else /* !HAVE_SELECT */
+      _rl_insert_char (count, invoking_key);
+#endif /* !HAVE_SELECT */
+    }
+  return 0;
+}
+
+static int
+find_matching_open (string, from, closer)
+     char *string;
+     int from, closer;
+{
+  register int i;
+  int opener, level, delimiter;
+
+  switch (closer)
+    {
+    case ']': opener = '['; break;
+    case '}': opener = '{'; break;
+    case ')': opener = '('; break;
+    default:
+      return (-1);
+    }
+
+  level = 1;			/* The closer passed in counts as 1. */
+  delimiter = 0;		/* Delimited state unknown. */
+
+  for (i = from; i > -1; i--)
+    {
+      if (delimiter && (string[i] == delimiter))
+	delimiter = 0;
+      else if (rl_basic_quote_characters && strchr (rl_basic_quote_characters, string[i]))
+	delimiter = string[i];
+      else if (!delimiter && (string[i] == closer))
+	level++;
+      else if (!delimiter && (string[i] == opener))
+	level--;
+
+      if (!level)
+	break;
+    }
+  return (i);
+}
diff --git a/readline-4.3.orig/readline.c b/readline-4.3.orig/readline.c
new file mode 100644
index 0000000..28801f1
--- /dev/null
+++ b/readline-4.3.orig/readline.c
@@ -0,0 +1,973 @@
+/* readline.c -- a general facility for reading lines of input
+   with emacs style editing and completion. */
+
+/* Copyright (C) 1987-2002 Free Software Foundation, Inc.
+
+   This file is part of the GNU Readline Library, a library for
+   reading lines of text with interactive input and history editing.
+
+   The GNU Readline Library is free software; you can redistribute it
+   and/or modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2, or
+   (at your option) any later version.
+
+   The GNU Readline Library is distributed in the hope that it will be
+   useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   The GNU General Public License is often shipped with GNU software, and
+   is generally kept in a file called COPYING or LICENSE.  If you do not
+   have a copy of the license, write to the Free Software Foundation,
+   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+#define READLINE_LIBRARY
+
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
+
+#include <sys/types.h>
+#include "posixstat.h"
+#include <fcntl.h>
+#if defined (HAVE_SYS_FILE_H)
+#  include <sys/file.h>
+#endif /* HAVE_SYS_FILE_H */
+
+#if defined (HAVE_UNISTD_H)
+#  include <unistd.h>
+#endif /* HAVE_UNISTD_H */
+
+#if defined (HAVE_STDLIB_H)
+#  include <stdlib.h>
+#else
+#  include "ansi_stdlib.h"
+#endif /* HAVE_STDLIB_H */
+
+#if defined (HAVE_LOCALE_H)
+#  include <locale.h>
+#endif
+
+#include <stdio.h>
+#include "posixjmp.h"
+
+/* System-specific feature definitions and include files. */
+#include "rldefs.h"
+#include "rlmbutil.h"
+
+#if defined (__EMX__)
+#  define INCL_DOSPROCESS
+#  include <os2.h>
+#endif /* __EMX__ */
+
+/* Some standard library routines. */
+#include "readline.h"
+#include "history.h"
+
+#include "rlprivate.h"
+#include "rlshell.h"
+#include "xmalloc.h"
+
+#ifndef RL_LIBRARY_VERSION
+#  define RL_LIBRARY_VERSION "4.3"
+#endif
+
+#ifndef RL_READLINE_VERSION
+#  define RL_READLINE_VERSION	0x0403
+#endif
+
+extern void _rl_free_history_entry PARAMS((HIST_ENTRY *));
+
+/* Forward declarations used in this file. */
+static char *readline_internal PARAMS((void));
+static void readline_initialize_everything PARAMS((void));
+
+static void bind_arrow_keys_internal PARAMS((Keymap));
+static void bind_arrow_keys PARAMS((void));
+
+static void readline_default_bindings PARAMS((void));
+
+/* **************************************************************** */
+/*								    */
+/*			Line editing input utility		    */
+/*								    */
+/* **************************************************************** */
+
+const char *rl_library_version = RL_LIBRARY_VERSION;
+
+int rl_readline_version = RL_READLINE_VERSION;
+
+/* True if this is `real' readline as opposed to some stub substitute. */
+int rl_gnu_readline_p = 1;
+
+/* A pointer to the keymap that is currently in use.
+   By default, it is the standard emacs keymap. */
+Keymap _rl_keymap = emacs_standard_keymap;
+
+/* The current style of editing. */
+int rl_editing_mode = emacs_mode;
+
+/* The current insert mode:  input (the default) or overwrite */
+int rl_insert_mode = RL_IM_DEFAULT;
+
+/* Non-zero if we called this function from _rl_dispatch().  It's present
+   so functions can find out whether they were called from a key binding
+   or directly from an application. */
+int rl_dispatching;
+
+/* Non-zero if the previous command was a kill command. */
+int _rl_last_command_was_kill = 0;
+
+/* The current value of the numeric argument specified by the user. */
+int rl_numeric_arg = 1;
+
+/* Non-zero if an argument was typed. */
+int rl_explicit_arg = 0;
+
+/* Temporary value used while generating the argument. */
+int rl_arg_sign = 1;
+
+/* Non-zero means we have been called at least once before. */
+static int rl_initialized;
+
+#if 0
+/* If non-zero, this program is running in an EMACS buffer. */
+static int running_in_emacs;
+#endif
+
+/* Flags word encapsulating the current readline state. */
+int rl_readline_state = RL_STATE_NONE;
+
+/* The current offset in the current input line. */
+int rl_point;
+
+/* Mark in the current input line. */
+int rl_mark;
+
+/* Length of the current input line. */
+int rl_end;
+
+/* Make this non-zero to return the current input_line. */
+int rl_done;
+
+/* The last function executed by readline. */
+rl_command_func_t *rl_last_func = (rl_command_func_t *)NULL;
+
+/* Top level environment for readline_internal (). */
+procenv_t readline_top_level;
+
+/* The streams we interact with. */
+FILE *_rl_in_stream, *_rl_out_stream;
+
+/* The names of the streams that we do input and output to. */
+FILE *rl_instream = (FILE *)NULL;
+FILE *rl_outstream = (FILE *)NULL;
+
+/* Non-zero means echo characters as they are read.  Defaults to no echo;
+   set to 1 if there is a controlling terminal, we can get its attributes,
+   and the attributes include `echo'.  Look at rltty.c:prepare_terminal_settings
+   for the code that sets it. */
+int readline_echoing_p = 0;
+
+/* Current prompt. */
+char *rl_prompt = (char *)NULL;
+int rl_visible_prompt_length = 0;
+
+/* Set to non-zero by calling application if it has already printed rl_prompt
+   and does not want readline to do it the first time. */
+int rl_already_prompted = 0;
+
+/* The number of characters read in order to type this complete command. */
+int rl_key_sequence_length = 0;
+
+/* If non-zero, then this is the address of a function to call just
+   before readline_internal_setup () prints the first prompt. */
+rl_hook_func_t *rl_startup_hook = (rl_hook_func_t *)NULL;
+
+/* If non-zero, this is the address of a function to call just before
+   readline_internal_setup () returns and readline_internal starts
+   reading input characters. */
+rl_hook_func_t *rl_pre_input_hook = (rl_hook_func_t *)NULL;
+
+/* What we use internally.  You should always refer to RL_LINE_BUFFER. */
+static char *the_line;
+
+/* The character that can generate an EOF.  Really read from
+   the terminal driver... just defaulted here. */
+int _rl_eof_char = CTRL ('D');
+
+/* Non-zero makes this the next keystroke to read. */
+int rl_pending_input = 0;
+
+/* Pointer to a useful terminal name. */
+const char *rl_terminal_name = (const char *)NULL;
+
+/* Non-zero means to always use horizontal scrolling in line display. */
+int _rl_horizontal_scroll_mode = 0;
+
+/* Non-zero means to display an asterisk at the starts of history lines
+   which have been modified. */
+int _rl_mark_modified_lines = 0;  
+
+/* The style of `bell' notification preferred.  This can be set to NO_BELL,
+   AUDIBLE_BELL, or VISIBLE_BELL. */
+int _rl_bell_preference = AUDIBLE_BELL;
+     
+/* String inserted into the line by rl_insert_comment (). */
+char *_rl_comment_begin;
+
+/* Keymap holding the function currently being executed. */
+Keymap rl_executing_keymap;
+
+/* Non-zero means to erase entire line, including prompt, on empty input lines. */
+int rl_erase_empty_line = 0;
+
+/* Non-zero means to read only this many characters rather than up to a
+   character bound to accept-line. */
+int rl_num_chars_to_read;
+
+/* Line buffer and maintenence. */
+char *rl_line_buffer = (char *)NULL;
+int rl_line_buffer_len = 0;
+
+/* Forward declarations used by the display, termcap, and history code. */
+
+/* **************************************************************** */
+/*								    */
+/*			`Forward' declarations  		    */
+/*								    */
+/* **************************************************************** */
+
+/* Non-zero means do not parse any lines other than comments and
+   parser directives. */
+unsigned char _rl_parsing_conditionalized_out = 0;
+
+/* Non-zero means to convert characters with the meta bit set to
+   escape-prefixed characters so we can indirect through
+   emacs_meta_keymap or vi_escape_keymap. */
+int _rl_convert_meta_chars_to_ascii = 1;
+
+/* Non-zero means to output characters with the meta bit set directly
+   rather than as a meta-prefixed escape sequence. */
+int _rl_output_meta_chars = 0;
+
+/* **************************************************************** */
+/*								    */
+/*			Top Level Functions			    */
+/*								    */
+/* **************************************************************** */
+
+/* Non-zero means treat 0200 bit in terminal input as Meta bit. */
+int _rl_meta_flag = 0;	/* Forward declaration */
+
+/* Set up the prompt and expand it.  Called from readline() and
+   rl_callback_handler_install (). */
+int
+rl_set_prompt (prompt)
+     const char *prompt;
+{
+  FREE (rl_prompt);
+  rl_prompt = prompt ? savestring (prompt) : (char *)NULL;
+
+  rl_visible_prompt_length = rl_expand_prompt (rl_prompt);
+  return 0;
+}
+  
+/* Read a line of input.  Prompt with PROMPT.  An empty PROMPT means
+   none.  A return value of NULL means that EOF was encountered. */
+char *
+readline (prompt)
+     const char *prompt;
+{
+  char *value;
+
+  /* If we are at EOF return a NULL string. */
+  if (rl_pending_input == EOF)
+    {
+      rl_clear_pending_input ();
+      return ((char *)NULL);
+    }
+
+  rl_set_prompt (prompt);
+
+  rl_initialize ();
+  (*rl_prep_term_function) (_rl_meta_flag);
+
+#if defined (HANDLE_SIGNALS)
+  rl_set_signals ();
+#endif
+
+  value = readline_internal ();
+  (*rl_deprep_term_function) ();
+
+#if defined (HANDLE_SIGNALS)
+  rl_clear_signals ();
+#endif
+
+  return (value);
+}
+
+#if defined (READLINE_CALLBACKS)
+#  define STATIC_CALLBACK
+#else
+#  define STATIC_CALLBACK static
+#endif
+
+STATIC_CALLBACK void
+readline_internal_setup ()
+{
+  char *nprompt;
+
+  _rl_in_stream = rl_instream;
+  _rl_out_stream = rl_outstream;
+
+  if (rl_startup_hook)
+    (*rl_startup_hook) ();
+
+  /* If we're not echoing, we still want to at least print a prompt, because
+     rl_redisplay will not do it for us.  If the calling application has a
+     custom redisplay function, though, let that function handle it. */
+  if (readline_echoing_p == 0 && rl_redisplay_function == rl_redisplay)
+    {
+      if (rl_prompt && rl_already_prompted == 0)
+	{
+	  nprompt = _rl_strip_prompt (rl_prompt);
+	  fprintf (_rl_out_stream, "%s", nprompt);
+	  fflush (_rl_out_stream);
+	  free (nprompt);
+	}
+    }
+  else
+    {
+      if (rl_prompt && rl_already_prompted)
+	rl_on_new_line_with_prompt ();
+      else
+	rl_on_new_line ();
+      (*rl_redisplay_function) ();
+    }
+
+#if defined (VI_MODE)
+  if (rl_editing_mode == vi_mode)
+    rl_vi_insertion_mode (1, 0);
+#endif /* VI_MODE */
+
+  if (rl_pre_input_hook)
+    (*rl_pre_input_hook) ();
+}
+
+STATIC_CALLBACK char *
+readline_internal_teardown (eof)
+     int eof;
+{
+  char *temp;
+  HIST_ENTRY *entry;
+
+  /* Restore the original of this history line, iff the line that we
+     are editing was originally in the history, AND the line has changed. */
+  entry = current_history ();
+
+  if (entry && rl_undo_list)
+    {
+      temp = savestring (the_line);
+      rl_revert_line (1, 0);
+      entry = replace_history_entry (where_history (), the_line, (histdata_t)NULL);
+      _rl_free_history_entry (entry);
+
+      strcpy (the_line, temp);
+      free (temp);
+    }
+
+  /* At any rate, it is highly likely that this line has an undo list.  Get
+     rid of it now. */
+  if (rl_undo_list)
+    rl_free_undo_list ();
+
+  /* Restore normal cursor, if available. */
+  _rl_set_insert_mode (RL_IM_INSERT, 0);
+
+  return (eof ? (char *)NULL : savestring (the_line));
+}
+
+STATIC_CALLBACK int
+#if defined (READLINE_CALLBACKS)
+readline_internal_char ()
+#else
+readline_internal_charloop ()
+#endif
+{
+  static int lastc, eof_found;
+  int c, code, lk;
+
+  lastc = -1;
+  eof_found = 0;
+
+#if !defined (READLINE_CALLBACKS)
+  while (rl_done == 0)
+    {
+#endif
+      lk = _rl_last_command_was_kill;
+
+      code = setjmp (readline_top_level);
+
+      if (code)
+	(*rl_redisplay_function) ();
+
+      if (rl_pending_input == 0)
+	{
+	  /* Then initialize the argument and number of keys read. */
+	  _rl_init_argument ();
+	  rl_key_sequence_length = 0;
+	}
+
+      RL_SETSTATE(RL_STATE_READCMD);
+      c = rl_read_key ();
+      RL_UNSETSTATE(RL_STATE_READCMD);
+
+      /* EOF typed to a non-blank line is a <NL>. */
+      if (c == EOF && rl_end)
+	c = NEWLINE;
+
+      /* The character _rl_eof_char typed to blank line, and not as the
+	 previous character is interpreted as EOF. */
+      if (((c == _rl_eof_char && lastc != c) || c == EOF) && !rl_end)
+	{
+#if defined (READLINE_CALLBACKS)
+	  RL_SETSTATE(RL_STATE_DONE);
+	  return (rl_done = 1);
+#else
+	  eof_found = 1;
+	  break;
+#endif
+	}
+
+      lastc = c;
+      _rl_dispatch ((unsigned char)c, _rl_keymap);
+
+      /* If there was no change in _rl_last_command_was_kill, then no kill
+	 has taken place.  Note that if input is pending we are reading
+	 a prefix command, so nothing has changed yet. */
+      if (rl_pending_input == 0 && lk == _rl_last_command_was_kill)
+	_rl_last_command_was_kill = 0;
+
+#if defined (VI_MODE)
+      /* In vi mode, when you exit insert mode, the cursor moves back
+	 over the previous character.  We explicitly check for that here. */
+      if (rl_editing_mode == vi_mode && _rl_keymap == vi_movement_keymap)
+	rl_vi_check ();
+#endif /* VI_MODE */
+
+      if (rl_num_chars_to_read && rl_end >= rl_num_chars_to_read)
+        {
+          (*rl_redisplay_function) ();
+          rl_newline (1, '\n');
+        }
+
+      if (rl_done == 0)
+	(*rl_redisplay_function) ();
+
+      /* If the application writer has told us to erase the entire line if
+	  the only character typed was something bound to rl_newline, do so. */
+      if (rl_erase_empty_line && rl_done && rl_last_func == rl_newline &&
+	  rl_point == 0 && rl_end == 0)
+	_rl_erase_entire_line ();
+
+#if defined (READLINE_CALLBACKS)
+      return 0;
+#else
+    }
+
+  return (eof_found);
+#endif
+}
+
+#if defined (READLINE_CALLBACKS)
+static int
+readline_internal_charloop ()
+{
+  int eof = 1;
+
+  while (rl_done == 0)
+    eof = readline_internal_char ();
+  return (eof);
+}
+#endif /* READLINE_CALLBACKS */
+
+/* Read a line of input from the global rl_instream, doing output on
+   the global rl_outstream.
+   If rl_prompt is non-null, then that is our prompt. */
+static char *
+readline_internal ()
+{
+  int eof;
+
+  readline_internal_setup ();
+  eof = readline_internal_charloop ();
+  return (readline_internal_teardown (eof));
+}
+
+void
+_rl_init_line_state ()
+{
+  rl_point = rl_end = rl_mark = 0;
+  the_line = rl_line_buffer;
+  the_line[0] = 0;
+}
+
+void
+_rl_set_the_line ()
+{
+  the_line = rl_line_buffer;
+}
+
+/* Do the command associated with KEY in MAP.
+   If the associated command is really a keymap, then read
+   another key, and dispatch into that map. */
+int
+_rl_dispatch (key, map)
+     register int key;
+     Keymap map;
+{
+  return _rl_dispatch_subseq (key, map, 0);
+}
+
+int
+_rl_dispatch_subseq (key, map, got_subseq)
+     register int key;
+     Keymap map;
+     int got_subseq;
+{
+  int r, newkey;
+  char *macro;
+  rl_command_func_t *func;
+
+  if (META_CHAR (key) && _rl_convert_meta_chars_to_ascii)
+    {
+      if (map[ESC].type == ISKMAP)
+	{
+	  if (RL_ISSTATE (RL_STATE_MACRODEF))
+	    _rl_add_macro_char (ESC);
+	  map = FUNCTION_TO_KEYMAP (map, ESC);
+	  key = UNMETA (key);
+	  rl_key_sequence_length += 2;
+	  return (_rl_dispatch (key, map));
+	}
+      else
+	rl_ding ();
+      return 0;
+    }
+
+  if (RL_ISSTATE (RL_STATE_MACRODEF))
+    _rl_add_macro_char (key);
+
+  r = 0;
+  switch (map[key].type)
+    {
+    case ISFUNC:
+      func = map[key].function;
+      if (func)
+	{
+	  /* Special case rl_do_lowercase_version (). */
+	  if (func == rl_do_lowercase_version)
+	    return (_rl_dispatch (_rl_to_lower (key), map));
+
+	  rl_executing_keymap = map;
+
+#if 0
+	  _rl_suppress_redisplay = (map[key].function == rl_insert) && _rl_input_available ();
+#endif
+
+	  rl_dispatching = 1;
+	  RL_SETSTATE(RL_STATE_DISPATCHING);
+	  r = (*map[key].function)(rl_numeric_arg * rl_arg_sign, key);
+	  RL_UNSETSTATE(RL_STATE_DISPATCHING);
+	  rl_dispatching = 0;
+
+	  /* If we have input pending, then the last command was a prefix
+	     command.  Don't change the state of rl_last_func.  Otherwise,
+	     remember the last command executed in this variable. */
+	  if (rl_pending_input == 0 && map[key].function != rl_digit_argument)
+	    rl_last_func = map[key].function;
+	}
+      else if (map[ANYOTHERKEY].function)
+	{
+	  /* OK, there's no function bound in this map, but there is a
+	     shadow function that was overridden when the current keymap
+	     was created.  Return -2 to note  that. */
+	  _rl_unget_char  (key);
+	  return -2;
+	}
+      else if (got_subseq)
+	{
+	  /* Return -1 to note that we're in a subsequence, but  we don't
+	     have a matching key, nor was one overridden.  This means
+	     we need to back up the recursion chain and find the last
+	     subsequence that is bound to a function. */
+	  _rl_unget_char (key);
+	  return -1;
+	}
+      else
+	{
+	  _rl_abort_internal ();
+	  return -1;
+	}
+      break;
+
+    case ISKMAP:
+      if (map[key].function != 0)
+	{
+#if defined (VI_MODE)
+	  /* The only way this test will be true is if a subsequence has been
+	     bound starting with ESC, generally the arrow keys.  What we do is
+	     check whether there's input in the queue, which there generally
+	     will be if an arrow key has been pressed, and, if there's not,
+	     just dispatch to (what we assume is) rl_vi_movement_mode right
+	     away.  This is essentially an input test with a zero timeout. */
+	  if (rl_editing_mode == vi_mode && key == ESC && map == vi_insertion_keymap
+	      && _rl_input_queued (0) == 0)
+	    return (_rl_dispatch (ANYOTHERKEY, FUNCTION_TO_KEYMAP (map, key)));
+#endif
+
+	  rl_key_sequence_length++;
+
+	  if (key == ESC)
+	    RL_SETSTATE(RL_STATE_METANEXT);
+	  RL_SETSTATE(RL_STATE_MOREINPUT);
+	  newkey = rl_read_key ();
+	  RL_UNSETSTATE(RL_STATE_MOREINPUT);
+	  if (key == ESC)
+	    RL_UNSETSTATE(RL_STATE_METANEXT);
+
+	  if (newkey < 0)
+	    {
+	      _rl_abort_internal ();
+	      return -1;
+	    }
+
+	  r = _rl_dispatch_subseq (newkey, FUNCTION_TO_KEYMAP (map, key), got_subseq || map[ANYOTHERKEY].function);
+
+	  if (r == -2)
+	    /* We didn't match anything, and the keymap we're indexed into
+	       shadowed a function previously bound to that prefix.  Call
+	       the function.  The recursive call to _rl_dispatch_subseq has
+	       already taken care of pushing any necessary input back onto
+	       the input queue with _rl_unget_char. */
+	    r = _rl_dispatch (ANYOTHERKEY, FUNCTION_TO_KEYMAP (map, key));
+	  else if (r && map[ANYOTHERKEY].function)
+	    {
+	      /* We didn't match (r is probably -1), so return something to
+		 tell the caller that it should try ANYOTHERKEY for an
+		 overridden function. */
+	      _rl_unget_char (key);
+	      return -2;
+	    }
+	  else if (r && got_subseq)
+	    {
+	      /* OK, back up the chain. */
+	      _rl_unget_char (key);
+	      return -1;
+	    }
+	}
+      else
+	{
+	  _rl_abort_internal ();
+	  return -1;
+	}
+      break;
+
+    case ISMACR:
+      if (map[key].function != 0)
+	{
+	  macro = savestring ((char *)map[key].function);
+	  _rl_with_macro_input (macro);
+	  return 0;
+	}
+      break;
+    }
+#if defined (VI_MODE)
+  if (rl_editing_mode == vi_mode && _rl_keymap == vi_movement_keymap &&
+      _rl_vi_textmod_command (key))
+    _rl_vi_set_last (key, rl_numeric_arg, rl_arg_sign);
+#endif
+  return (r);
+}
+
+/* **************************************************************** */
+/*								    */
+/*			Initializations 			    */
+/*								    */
+/* **************************************************************** */
+
+/* Initialize readline (and terminal if not already). */
+int
+rl_initialize ()
+{
+  /* If we have never been called before, initialize the
+     terminal and data structures. */
+  if (!rl_initialized)
+    {
+      RL_SETSTATE(RL_STATE_INITIALIZING);
+      readline_initialize_everything ();
+      RL_UNSETSTATE(RL_STATE_INITIALIZING);
+      rl_initialized++;
+      RL_SETSTATE(RL_STATE_INITIALIZED);
+    }
+
+  /* Initalize the current line information. */
+  _rl_init_line_state ();
+
+  /* We aren't done yet.  We haven't even gotten started yet! */
+  rl_done = 0;
+  RL_UNSETSTATE(RL_STATE_DONE);
+
+  /* Tell the history routines what is going on. */
+  _rl_start_using_history ();
+
+  /* Make the display buffer match the state of the line. */
+  rl_reset_line_state ();
+
+  /* No such function typed yet. */
+  rl_last_func = (rl_command_func_t *)NULL;
+
+  /* Parsing of key-bindings begins in an enabled state. */
+  _rl_parsing_conditionalized_out = 0;
+
+#if defined (VI_MODE)
+  if (rl_editing_mode == vi_mode)
+    _rl_vi_initialize_line ();
+#endif
+
+  /* Each line starts in insert mode (the default). */
+  _rl_set_insert_mode (RL_IM_DEFAULT, 1);
+
+  return 0;
+}
+
+#if 0
+#if defined (__EMX__)
+static void
+_emx_build_environ ()
+{
+  TIB *tibp;
+  PIB *pibp;
+  char *t, **tp;
+  int c;
+
+  DosGetInfoBlocks (&tibp, &pibp);
+  t = pibp->pib_pchenv;
+  for (c = 1; *t; c++)
+    t += strlen (t) + 1;
+  tp = environ = (char **)xmalloc ((c + 1) * sizeof (char *));
+  t = pibp->pib_pchenv;
+  while (*t)
+    {
+      *tp++ = t;
+      t += strlen (t) + 1;
+    }
+  *tp = 0;
+}
+#endif /* __EMX__ */
+#endif
+
+/* Initialize the entire state of the world. */
+static void
+readline_initialize_everything ()
+{
+#if 0
+#if defined (__EMX__)
+  if (environ == 0)
+    _emx_build_environ ();
+#endif
+#endif
+
+#if 0
+  /* Find out if we are running in Emacs -- UNUSED. */
+  running_in_emacs = sh_get_env_value ("EMACS") != (char *)0;
+#endif
+
+  /* Set up input and output if they are not already set up. */
+  if (!rl_instream)
+    rl_instream = stdin;
+
+  if (!rl_outstream)
+    rl_outstream = stdout;
+
+  /* Bind _rl_in_stream and _rl_out_stream immediately.  These values
+     may change, but they may also be used before readline_internal ()
+     is called. */
+  _rl_in_stream = rl_instream;
+  _rl_out_stream = rl_outstream;
+
+  /* Allocate data structures. */
+  if (rl_line_buffer == 0)
+    rl_line_buffer = (char *)xmalloc (rl_line_buffer_len = DEFAULT_BUFFER_SIZE);
+
+  /* Initialize the terminal interface. */
+  if (rl_terminal_name == 0)
+    rl_terminal_name = sh_get_env_value ("TERM");
+  _rl_init_terminal_io (rl_terminal_name);
+
+  /* Bind tty characters to readline functions. */
+  readline_default_bindings ();
+
+  /* Initialize the function names. */
+  rl_initialize_funmap ();
+
+  /* Decide whether we should automatically go into eight-bit mode. */
+  _rl_init_eightbit ();
+      
+  /* Read in the init file. */
+  rl_read_init_file ((char *)NULL);
+
+  /* XXX */
+  if (_rl_horizontal_scroll_mode && _rl_term_autowrap)
+    {
+      _rl_screenwidth--;
+      _rl_screenchars -= _rl_screenheight;
+    }
+
+  /* Override the effect of any `set keymap' assignments in the
+     inputrc file. */
+  rl_set_keymap_from_edit_mode ();
+
+  /* Try to bind a common arrow key prefix, if not already bound. */
+  bind_arrow_keys ();
+
+  /* Enable the meta key, if this terminal has one. */
+  if (_rl_enable_meta)
+    _rl_enable_meta_key ();
+
+  /* If the completion parser's default word break characters haven't
+     been set yet, then do so now. */
+  if (rl_completer_word_break_characters == (char *)NULL)
+    rl_completer_word_break_characters = rl_basic_word_break_characters;
+}
+
+/* If this system allows us to look at the values of the regular
+   input editing characters, then bind them to their readline
+   equivalents, iff the characters are not bound to keymaps. */
+static void
+readline_default_bindings ()
+{
+  rl_tty_set_default_bindings (_rl_keymap);
+}
+
+/* Bind some common arrow key sequences in MAP. */
+static void
+bind_arrow_keys_internal (map)
+     Keymap map;
+{
+  Keymap xkeymap;
+
+  xkeymap = _rl_keymap;
+  _rl_keymap = map;
+
+#if defined (__MSDOS__)
+   _rl_bind_if_unbound ("\033[0A", rl_get_previous_history);
+   _rl_bind_if_unbound ("\033[0B", rl_backward_char);
+   _rl_bind_if_unbound ("\033[0C", rl_forward_char);
+   _rl_bind_if_unbound ("\033[0D", rl_get_next_history);
+#endif
+
+  _rl_bind_if_unbound ("\033[A", rl_get_previous_history);
+  _rl_bind_if_unbound ("\033[B", rl_get_next_history);
+  _rl_bind_if_unbound ("\033[C", rl_forward_char);
+  _rl_bind_if_unbound ("\033[D", rl_backward_char);
+  _rl_bind_if_unbound ("\033[H", rl_beg_of_line);
+  _rl_bind_if_unbound ("\033[F", rl_end_of_line);
+
+  _rl_bind_if_unbound ("\033OA", rl_get_previous_history);
+  _rl_bind_if_unbound ("\033OB", rl_get_next_history);
+  _rl_bind_if_unbound ("\033OC", rl_forward_char);
+  _rl_bind_if_unbound ("\033OD", rl_backward_char);
+  _rl_bind_if_unbound ("\033OH", rl_beg_of_line);
+  _rl_bind_if_unbound ("\033OF", rl_end_of_line);
+
+  _rl_keymap = xkeymap;
+}
+
+/* Try and bind the common arrow key prefixes after giving termcap and
+   the inputrc file a chance to bind them and create `real' keymaps
+   for the arrow key prefix. */
+static void
+bind_arrow_keys ()
+{
+  bind_arrow_keys_internal (emacs_standard_keymap);
+
+#if defined (VI_MODE)
+  bind_arrow_keys_internal (vi_movement_keymap);
+  bind_arrow_keys_internal (vi_insertion_keymap);
+#endif
+}
+
+/* **************************************************************** */
+/*								    */
+/*		Saving and Restoring Readline's state		    */
+/*								    */
+/* **************************************************************** */
+
+int
+rl_save_state (sp)
+     struct readline_state *sp;
+{
+  if (sp == 0)
+    return -1;
+
+  sp->point = rl_point;
+  sp->end = rl_end;
+  sp->mark = rl_mark;
+  sp->buffer = rl_line_buffer;
+  sp->buflen = rl_line_buffer_len;
+  sp->ul = rl_undo_list;
+  sp->prompt = rl_prompt;
+
+  sp->rlstate = rl_readline_state;
+  sp->done = rl_done;
+  sp->kmap = _rl_keymap;
+
+  sp->lastfunc = rl_last_func;
+  sp->insmode = rl_insert_mode;
+  sp->edmode = rl_editing_mode;
+  sp->kseqlen = rl_key_sequence_length;
+  sp->inf = rl_instream;
+  sp->outf = rl_outstream;
+  sp->pendingin = rl_pending_input;
+  sp->macro = rl_executing_macro;
+
+  sp->catchsigs = rl_catch_signals;
+  sp->catchsigwinch = rl_catch_sigwinch;
+
+  return (0);
+}
+
+int
+rl_restore_state (sp)
+     struct readline_state *sp;
+{
+  if (sp == 0)
+    return -1;
+
+  rl_point = sp->point;
+  rl_end = sp->end;
+  rl_mark = sp->mark;
+  the_line = rl_line_buffer = sp->buffer;
+  rl_line_buffer_len = sp->buflen;
+  rl_undo_list = sp->ul;
+  rl_prompt = sp->prompt;
+
+  rl_readline_state = sp->rlstate;
+  rl_done = sp->done;
+  _rl_keymap = sp->kmap;
+
+  rl_last_func = sp->lastfunc;
+  rl_insert_mode = sp->insmode;
+  rl_editing_mode = sp->edmode;
+  rl_key_sequence_length = sp->kseqlen;
+  rl_instream = sp->inf;
+  rl_outstream = sp->outf;
+  rl_pending_input = sp->pendingin;
+  rl_executing_macro = sp->macro;
+
+  rl_catch_signals = sp->catchsigs;
+  rl_catch_sigwinch = sp->catchsigwinch;
+
+  return (0);
+}
diff --git a/readline-4.3.orig/rltty.c b/readline-4.3.orig/rltty.c
new file mode 100644
index 0000000..755efeb
--- /dev/null
+++ b/readline-4.3.orig/rltty.c
@@ -0,0 +1,911 @@
+/* rltty.c -- functions to prepare and restore the terminal for readline's
+   use. */
+
+/* Copyright (C) 1992 Free Software Foundation, Inc.
+
+   This file is part of the GNU Readline Library, a library for
+   reading lines of text with interactive input and history editing.
+
+   The GNU Readline Library is free software; you can redistribute it
+   and/or modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2, or
+   (at your option) any later version.
+
+   The GNU Readline Library is distributed in the hope that it will be
+   useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   The GNU General Public License is often shipped with GNU software, and
+   is generally kept in a file called COPYING or LICENSE.  If you do not
+   have a copy of the license, write to the Free Software Foundation,
+   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+#define READLINE_LIBRARY
+
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
+
+#include <sys/types.h>
+#include <signal.h>
+#include <errno.h>
+#include <stdio.h>
+
+#if defined (HAVE_UNISTD_H)
+#  include <unistd.h>
+#endif /* HAVE_UNISTD_H */
+
+#include "rldefs.h"
+
+#if defined (GWINSZ_IN_SYS_IOCTL)
+#  include <sys/ioctl.h>
+#endif /* GWINSZ_IN_SYS_IOCTL */
+
+#include "rltty.h"
+#include "readline.h"
+#include "rlprivate.h"
+
+#if !defined (errno)
+extern int errno;
+#endif /* !errno */
+
+rl_vintfunc_t *rl_prep_term_function = rl_prep_terminal;
+rl_voidfunc_t *rl_deprep_term_function = rl_deprep_terminal;
+
+static void block_sigint PARAMS((void));
+static void release_sigint PARAMS((void));
+
+static void set_winsize PARAMS((int));
+
+/* **************************************************************** */
+/*								    */
+/*			   Signal Management			    */
+/*								    */
+/* **************************************************************** */
+
+#if defined (HAVE_POSIX_SIGNALS)
+static sigset_t sigint_set, sigint_oset;
+#else /* !HAVE_POSIX_SIGNALS */
+#  if defined (HAVE_BSD_SIGNALS)
+static int sigint_oldmask;
+#  endif /* HAVE_BSD_SIGNALS */
+#endif /* !HAVE_POSIX_SIGNALS */
+
+static int sigint_blocked;
+
+/* Cause SIGINT to not be delivered until the corresponding call to
+   release_sigint(). */
+static void
+block_sigint ()
+{
+  if (sigint_blocked)
+    return;
+
+#if defined (HAVE_POSIX_SIGNALS)
+  sigemptyset (&sigint_set);
+  sigemptyset (&sigint_oset);
+  sigaddset (&sigint_set, SIGINT);
+  sigprocmask (SIG_BLOCK, &sigint_set, &sigint_oset);
+#else /* !HAVE_POSIX_SIGNALS */
+#  if defined (HAVE_BSD_SIGNALS)
+  sigint_oldmask = sigblock (sigmask (SIGINT));
+#  else /* !HAVE_BSD_SIGNALS */
+#    if defined (HAVE_USG_SIGHOLD)
+  sighold (SIGINT);
+#    endif /* HAVE_USG_SIGHOLD */
+#  endif /* !HAVE_BSD_SIGNALS */
+#endif /* !HAVE_POSIX_SIGNALS */
+
+  sigint_blocked = 1;
+}
+
+/* Allow SIGINT to be delivered. */
+static void
+release_sigint ()
+{
+  if (sigint_blocked == 0)
+    return;
+
+#if defined (HAVE_POSIX_SIGNALS)
+  sigprocmask (SIG_SETMASK, &sigint_oset, (sigset_t *)NULL);
+#else
+#  if defined (HAVE_BSD_SIGNALS)
+  sigsetmask (sigint_oldmask);
+#  else /* !HAVE_BSD_SIGNALS */
+#    if defined (HAVE_USG_SIGHOLD)
+  sigrelse (SIGINT);
+#    endif /* HAVE_USG_SIGHOLD */
+#  endif /* !HAVE_BSD_SIGNALS */
+#endif /* !HAVE_POSIX_SIGNALS */
+
+  sigint_blocked = 0;
+}
+
+/* **************************************************************** */
+/*								    */
+/*		      Saving and Restoring the TTY	    	    */
+/*								    */
+/* **************************************************************** */
+
+/* Non-zero means that the terminal is in a prepped state. */
+static int terminal_prepped;
+
+static _RL_TTY_CHARS _rl_tty_chars, _rl_last_tty_chars;
+
+/* If non-zero, means that this process has called tcflow(fd, TCOOFF)
+   and output is suspended. */
+#if defined (__ksr1__)
+static int ksrflow;
+#endif
+
+/* Dummy call to force a backgrounded readline to stop before it tries
+   to get the tty settings. */
+static void
+set_winsize (tty)
+     int tty;
+{
+#if defined (TIOCGWINSZ)
+  struct winsize w;
+
+  if (ioctl (tty, TIOCGWINSZ, &w) == 0)
+      (void) ioctl (tty, TIOCSWINSZ, &w);
+#endif /* TIOCGWINSZ */
+}
+
+#if defined (NEW_TTY_DRIVER)
+
+/* Values for the `flags' field of a struct bsdtty.  This tells which
+   elements of the struct bsdtty have been fetched from the system and
+   are valid. */
+#define SGTTY_SET	0x01
+#define LFLAG_SET	0x02
+#define TCHARS_SET	0x04
+#define LTCHARS_SET	0x08
+
+struct bsdtty {
+  struct sgttyb sgttyb;	/* Basic BSD tty driver information. */
+  int lflag;		/* Local mode flags, like LPASS8. */
+#if defined (TIOCGETC)
+  struct tchars tchars;	/* Terminal special characters, including ^S and ^Q. */
+#endif
+#if defined (TIOCGLTC)
+  struct ltchars ltchars; /* 4.2 BSD editing characters */
+#endif
+  int flags;		/* Bitmap saying which parts of the struct are valid. */
+};
+
+#define TIOTYPE struct bsdtty
+
+static TIOTYPE otio;
+
+static void save_tty_chars PARAMS((TIOTYPE *));
+static int _get_tty_settings PARAMS((int, TIOTYPE *));
+static int get_tty_settings PARAMS((int, TIOTYPE *));
+static int _set_tty_settings PARAMS((int, TIOTYPE *));
+static int set_tty_settings PARAMS((int, TIOTYPE *));
+
+static void prepare_terminal_settings PARAMS((int, TIOTYPE, TIOTYPE *));
+
+static void
+save_tty_chars (tiop)
+     TIOTYPE *tiop;
+{
+  _rl_last_tty_chars = _rl_tty_chars;
+
+  if (tiop->flags & SGTTY_SET)
+    {
+      _rl_tty_chars.t_erase = tiop->sgttyb.sg_erase;
+      _rl_tty_chars.t_kill = tiop->sgttyb.sg_kill;
+    }
+
+  if (tiop->flags & TCHARS_SET)
+    {
+      _rl_tty_chars.t_intr = tiop->tchars.t_intrc;
+      _rl_tty_chars.t_quit = tiop->tchars.t_quitc;
+      _rl_tty_chars.t_start = tiop->tchars.t_startc;
+      _rl_tty_chars.t_stop = tiop->tchars.t_stopc;
+      _rl_tty_chars.t_eof = tiop->tchars.t_eofc;
+      _rl_tty_chars.t_eol = '\n';
+      _rl_tty_chars.t_eol2 = tiop->tchars.t_brkc;
+    }
+
+  if (tiop->flags & LTCHARS_SET)
+    {
+      _rl_tty_chars.t_susp = tiop->ltchars.t_suspc;
+      _rl_tty_chars.t_dsusp = tiop->ltchars.t_dsuspc;
+      _rl_tty_chars.t_reprint = tiop->ltchars.t_rprntc;
+      _rl_tty_chars.t_flush = tiop->ltchars.t_flushc;
+      _rl_tty_chars.t_werase = tiop->ltchars.t_werasc;
+      _rl_tty_chars.t_lnext = tiop->ltchars.t_lnextc;
+    }
+
+  _rl_tty_chars.t_status = -1;
+}
+
+static int
+get_tty_settings (tty, tiop)
+     int tty;
+     TIOTYPE *tiop;
+{
+  set_winsize (tty);
+
+  tiop->flags = tiop->lflag = 0;
+
+  if (ioctl (tty, TIOCGETP, &(tiop->sgttyb)) < 0)
+    return -1;
+  tiop->flags |= SGTTY_SET;
+
+#if defined (TIOCLGET)
+  if (ioctl (tty, TIOCLGET, &(tiop->lflag)) == 0)
+    tiop->flags |= LFLAG_SET;
+#endif
+
+#if defined (TIOCGETC)
+  if (ioctl (tty, TIOCGETC, &(tiop->tchars)) == 0)
+    tiop->flags |= TCHARS_SET;
+#endif
+
+#if defined (TIOCGLTC)
+  if (ioctl (tty, TIOCGLTC, &(tiop->ltchars)) == 0)
+    tiop->flags |= LTCHARS_SET;
+#endif
+
+  return 0;
+}
+
+static int
+set_tty_settings (tty, tiop)
+     int tty;
+     TIOTYPE *tiop;
+{
+  if (tiop->flags & SGTTY_SET)
+    {
+      ioctl (tty, TIOCSETN, &(tiop->sgttyb));
+      tiop->flags &= ~SGTTY_SET;
+    }
+  readline_echoing_p = 1;
+
+#if defined (TIOCLSET)
+  if (tiop->flags & LFLAG_SET)
+    {
+      ioctl (tty, TIOCLSET, &(tiop->lflag));
+      tiop->flags &= ~LFLAG_SET;
+    }
+#endif
+
+#if defined (TIOCSETC)
+  if (tiop->flags & TCHARS_SET)
+    {
+      ioctl (tty, TIOCSETC, &(tiop->tchars));
+      tiop->flags &= ~TCHARS_SET;
+    }
+#endif
+
+#if defined (TIOCSLTC)
+  if (tiop->flags & LTCHARS_SET)
+    {
+      ioctl (tty, TIOCSLTC, &(tiop->ltchars));
+      tiop->flags &= ~LTCHARS_SET;
+    }
+#endif
+
+  return 0;
+}
+
+static void
+prepare_terminal_settings (meta_flag, oldtio, tiop)
+     int meta_flag;
+     TIOTYPE oldtio, *tiop;
+{
+  readline_echoing_p = (oldtio.sgttyb.sg_flags & ECHO);
+
+  /* Copy the original settings to the structure we're going to use for
+     our settings. */
+  tiop->sgttyb = oldtio.sgttyb;
+  tiop->lflag = oldtio.lflag;
+#if defined (TIOCGETC)
+  tiop->tchars = oldtio.tchars;
+#endif
+#if defined (TIOCGLTC)
+  tiop->ltchars = oldtio.ltchars;
+#endif
+  tiop->flags = oldtio.flags;
+
+  /* First, the basic settings to put us into character-at-a-time, no-echo
+     input mode. */
+  tiop->sgttyb.sg_flags &= ~(ECHO | CRMOD);
+  tiop->sgttyb.sg_flags |= CBREAK;
+
+  /* If this terminal doesn't care how the 8th bit is used, then we can
+     use it for the meta-key.  If only one of even or odd parity is
+     specified, then the terminal is using parity, and we cannot. */
+#if !defined (ANYP)
+#  define ANYP (EVENP | ODDP)
+#endif
+  if (((oldtio.sgttyb.sg_flags & ANYP) == ANYP) ||
+      ((oldtio.sgttyb.sg_flags & ANYP) == 0))
+    {
+      tiop->sgttyb.sg_flags |= ANYP;
+
+      /* Hack on local mode flags if we can. */
+#if defined (TIOCLGET)
+#  if defined (LPASS8)
+      tiop->lflag |= LPASS8;
+#  endif /* LPASS8 */
+#endif /* TIOCLGET */
+    }
+
+#if defined (TIOCGETC)
+#  if defined (USE_XON_XOFF)
+  /* Get rid of terminal output start and stop characters. */
+  tiop->tchars.t_stopc = -1; /* C-s */
+  tiop->tchars.t_startc = -1; /* C-q */
+
+  /* If there is an XON character, bind it to restart the output. */
+  if (oldtio.tchars.t_startc != -1)
+    rl_bind_key (oldtio.tchars.t_startc, rl_restart_output);
+#  endif /* USE_XON_XOFF */
+
+  /* If there is an EOF char, bind _rl_eof_char to it. */
+  if (oldtio.tchars.t_eofc != -1)
+    _rl_eof_char = oldtio.tchars.t_eofc;
+
+#  if defined (NO_KILL_INTR)
+  /* Get rid of terminal-generated SIGQUIT and SIGINT. */
+  tiop->tchars.t_quitc = -1; /* C-\ */
+  tiop->tchars.t_intrc = -1; /* C-c */
+#  endif /* NO_KILL_INTR */
+#endif /* TIOCGETC */
+
+#if defined (TIOCGLTC)
+  /* Make the interrupt keys go away.  Just enough to make people happy. */
+  tiop->ltchars.t_dsuspc = -1;	/* C-y */
+  tiop->ltchars.t_lnextc = -1;	/* C-v */
+#endif /* TIOCGLTC */
+}
+
+#else  /* !defined (NEW_TTY_DRIVER) */
+
+#if !defined (VMIN)
+#  define VMIN VEOF
+#endif
+
+#if !defined (VTIME)
+#  define VTIME VEOL
+#endif
+
+#if defined (TERMIOS_TTY_DRIVER)
+#  define TIOTYPE struct termios
+#  define DRAIN_OUTPUT(fd)	tcdrain (fd)
+#  define GETATTR(tty, tiop)	(tcgetattr (tty, tiop))
+#  ifdef M_UNIX
+#    define SETATTR(tty, tiop)	(tcsetattr (tty, TCSANOW, tiop))
+#  else
+#    define SETATTR(tty, tiop)	(tcsetattr (tty, TCSADRAIN, tiop))
+#  endif /* !M_UNIX */
+#else
+#  define TIOTYPE struct termio
+#  define DRAIN_OUTPUT(fd)
+#  define GETATTR(tty, tiop)	(ioctl (tty, TCGETA, tiop))
+#  define SETATTR(tty, tiop)	(ioctl (tty, TCSETAW, tiop))
+#endif /* !TERMIOS_TTY_DRIVER */
+
+static TIOTYPE otio;
+
+static void save_tty_chars PARAMS((TIOTYPE *));
+static int _get_tty_settings PARAMS((int, TIOTYPE *));
+static int get_tty_settings PARAMS((int, TIOTYPE *));
+static int _set_tty_settings PARAMS((int, TIOTYPE *));
+static int set_tty_settings PARAMS((int, TIOTYPE *));
+
+static void prepare_terminal_settings PARAMS((int, TIOTYPE, TIOTYPE *));
+
+#if defined (FLUSHO)
+#  define OUTPUT_BEING_FLUSHED(tp)  (tp->c_lflag & FLUSHO)
+#else
+#  define OUTPUT_BEING_FLUSHED(tp)  0
+#endif
+
+static void
+save_tty_chars (tiop)
+     TIOTYPE *tiop;
+{
+  _rl_last_tty_chars = _rl_tty_chars;
+
+  _rl_tty_chars.t_eof = tiop->c_cc[VEOF];
+  _rl_tty_chars.t_eol = tiop->c_cc[VEOL];
+#ifdef VEOL2
+  _rl_tty_chars.t_eol2 = tiop->c_cc[VEOL2];
+#endif
+  _rl_tty_chars.t_erase = tiop->c_cc[VERASE];
+#ifdef VWERASE
+  _rl_tty_chars.t_werase = tiop->c_cc[VWERASE];
+#endif
+  _rl_tty_chars.t_kill = tiop->c_cc[VKILL];
+#ifdef VREPRINT
+  _rl_tty_chars.t_reprint = tiop->c_cc[VREPRINT];
+#endif
+  _rl_tty_chars.t_intr = tiop->c_cc[VINTR];
+  _rl_tty_chars.t_quit = tiop->c_cc[VQUIT];
+#ifdef VSUSP
+  _rl_tty_chars.t_susp = tiop->c_cc[VSUSP];
+#endif
+#ifdef VDSUSP
+  _rl_tty_chars.t_dsusp = tiop->c_cc[VDSUSP];
+#endif
+#ifdef VSTART
+  _rl_tty_chars.t_start = tiop->c_cc[VSTART];
+#endif
+#ifdef VSTOP
+  _rl_tty_chars.t_stop = tiop->c_cc[VSTOP];
+#endif
+#ifdef VLNEXT
+  _rl_tty_chars.t_lnext = tiop->c_cc[VLNEXT];
+#endif
+#ifdef VDISCARD
+  _rl_tty_chars.t_flush = tiop->c_cc[VDISCARD];
+#endif
+#ifdef VSTATUS
+  _rl_tty_chars.t_status = tiop->c_cc[VSTATUS];
+#endif
+}
+
+#if defined (_AIX) || defined (_AIX41)
+/* Currently this is only used on AIX */
+static void
+rltty_warning (msg)
+     char *msg;
+{
+  fprintf (stderr, "readline: warning: %s\n", msg);
+}
+#endif
+
+#if defined (_AIX)
+void
+setopost(tp)
+TIOTYPE *tp;
+{
+  if ((tp->c_oflag & OPOST) == 0)
+    {
+      rltty_warning ("turning on OPOST for terminal\r");
+      tp->c_oflag |= OPOST|ONLCR;
+    }
+}
+#endif
+
+static int
+_get_tty_settings (tty, tiop)
+     int tty;
+     TIOTYPE *tiop;
+{
+  int ioctl_ret;
+
+  while (1)
+    {
+      ioctl_ret = GETATTR (tty, tiop);
+      if (ioctl_ret < 0)
+	{
+	  if (errno != EINTR)
+	    return -1;
+	  else
+	    continue;
+	}
+      if (OUTPUT_BEING_FLUSHED (tiop))
+	{
+#if defined (FLUSHO) && defined (_AIX41)
+	  rltty_warning ("turning off output flushing");
+	  tiop->c_lflag &= ~FLUSHO;
+	  break;
+#else
+	  continue;
+#endif
+	}
+      break;
+    }
+
+  return 0;
+}
+
+static int
+get_tty_settings (tty, tiop)
+     int tty;
+     TIOTYPE *tiop;
+{
+  set_winsize (tty);
+
+  if (_get_tty_settings (tty, tiop) < 0)
+    return -1;
+
+#if defined (_AIX)
+  setopost(tiop);
+#endif
+
+  return 0;
+}
+
+static int
+_set_tty_settings (tty, tiop)
+     int tty;
+     TIOTYPE *tiop;
+{
+  while (SETATTR (tty, tiop) < 0)
+    {
+      if (errno != EINTR)
+	return -1;
+      errno = 0;
+    }
+  return 0;
+}
+
+static int
+set_tty_settings (tty, tiop)
+     int tty;
+     TIOTYPE *tiop;
+{
+  if (_set_tty_settings (tty, tiop) < 0)
+    return -1;
+    
+#if 0
+
+#if defined (TERMIOS_TTY_DRIVER)
+#  if defined (__ksr1__)
+  if (ksrflow)
+    {
+      ksrflow = 0;
+      tcflow (tty, TCOON);
+    }
+#  else /* !ksr1 */
+  tcflow (tty, TCOON);		/* Simulate a ^Q. */
+#  endif /* !ksr1 */
+#else
+  ioctl (tty, TCXONC, 1);	/* Simulate a ^Q. */
+#endif /* !TERMIOS_TTY_DRIVER */
+
+#endif /* 0 */
+
+  return 0;
+}
+
+static void
+prepare_terminal_settings (meta_flag, oldtio, tiop)
+     int meta_flag;
+     TIOTYPE oldtio, *tiop;
+{
+  readline_echoing_p = (oldtio.c_lflag & ECHO);
+
+  tiop->c_lflag &= ~(ICANON | ECHO);
+
+  if ((unsigned char) oldtio.c_cc[VEOF] != (unsigned char) _POSIX_VDISABLE)
+    _rl_eof_char = oldtio.c_cc[VEOF];
+
+#if defined (USE_XON_XOFF)
+#if defined (IXANY)
+  tiop->c_iflag &= ~(IXON | IXOFF | IXANY);
+#else
+  /* `strict' Posix systems do not define IXANY. */
+  tiop->c_iflag &= ~(IXON | IXOFF);
+#endif /* IXANY */
+#endif /* USE_XON_XOFF */
+
+  /* Only turn this off if we are using all 8 bits. */
+  if (((tiop->c_cflag & CSIZE) == CS8) || meta_flag)
+    tiop->c_iflag &= ~(ISTRIP | INPCK);
+
+  /* Make sure we differentiate between CR and NL on input. */
+  tiop->c_iflag &= ~(ICRNL | INLCR);
+
+#if !defined (HANDLE_SIGNALS)
+  tiop->c_lflag &= ~ISIG;
+#else
+  tiop->c_lflag |= ISIG;
+#endif
+
+  tiop->c_cc[VMIN] = 1;
+  tiop->c_cc[VTIME] = 0;
+
+#if defined (FLUSHO)
+  if (OUTPUT_BEING_FLUSHED (tiop))
+    {
+      tiop->c_lflag &= ~FLUSHO;
+      oldtio.c_lflag &= ~FLUSHO;
+    }
+#endif
+
+  /* Turn off characters that we need on Posix systems with job control,
+     just to be sure.  This includes ^Y and ^V.  This should not really
+     be necessary.  */
+#if defined (TERMIOS_TTY_DRIVER) && defined (_POSIX_VDISABLE)
+
+#if defined (VLNEXT)
+  tiop->c_cc[VLNEXT] = _POSIX_VDISABLE;
+#endif
+
+#if defined (VDSUSP)
+  tiop->c_cc[VDSUSP] = _POSIX_VDISABLE;
+#endif
+
+#endif /* TERMIOS_TTY_DRIVER && _POSIX_VDISABLE */
+}
+#endif  /* NEW_TTY_DRIVER */
+
+/* Put the terminal in CBREAK mode so that we can detect key presses. */
+void
+rl_prep_terminal (meta_flag)
+     int meta_flag;
+{
+  int tty;
+  TIOTYPE tio;
+
+  if (terminal_prepped)
+    return;
+
+  /* Try to keep this function from being INTerrupted. */
+  block_sigint ();
+
+  tty = fileno (rl_instream);
+
+  if (get_tty_settings (tty, &tio) < 0)
+    {
+      release_sigint ();
+      return;
+    }
+
+  otio = tio;
+
+  save_tty_chars (&otio);
+
+  prepare_terminal_settings (meta_flag, otio, &tio);
+
+  if (set_tty_settings (tty, &tio) < 0)
+    {
+      release_sigint ();
+      return;
+    }
+
+  if (_rl_enable_keypad)
+    _rl_control_keypad (1);
+
+  fflush (rl_outstream);
+  terminal_prepped = 1;
+  RL_SETSTATE(RL_STATE_TERMPREPPED);
+
+  release_sigint ();
+}
+
+/* Restore the terminal's normal settings and modes. */
+void
+rl_deprep_terminal ()
+{
+  int tty;
+
+  if (!terminal_prepped)
+    return;
+
+  /* Try to keep this function from being interrupted. */
+  block_sigint ();
+
+  tty = fileno (rl_instream);
+
+  if (_rl_enable_keypad)
+    _rl_control_keypad (0);
+
+  fflush (rl_outstream);
+
+  if (set_tty_settings (tty, &otio) < 0)
+    {
+      release_sigint ();
+      return;
+    }
+
+  terminal_prepped = 0;
+  RL_UNSETSTATE(RL_STATE_TERMPREPPED);
+
+  release_sigint ();
+}
+
+/* **************************************************************** */
+/*								    */
+/*			Bogus Flow Control      		    */
+/*								    */
+/* **************************************************************** */
+
+int
+rl_restart_output (count, key)
+     int count, key;
+{
+  int fildes = fileno (rl_outstream);
+#if defined (TIOCSTART)
+#if defined (apollo)
+  ioctl (&fildes, TIOCSTART, 0);
+#else
+  ioctl (fildes, TIOCSTART, 0);
+#endif /* apollo */
+
+#else /* !TIOCSTART */
+#  if defined (TERMIOS_TTY_DRIVER)
+#    if defined (__ksr1__)
+  if (ksrflow)
+    {
+      ksrflow = 0;
+      tcflow (fildes, TCOON);
+    }
+#    else /* !ksr1 */
+  tcflow (fildes, TCOON);		/* Simulate a ^Q. */
+#    endif /* !ksr1 */
+#  else /* !TERMIOS_TTY_DRIVER */
+#    if defined (TCXONC)
+  ioctl (fildes, TCXONC, TCOON);
+#    endif /* TCXONC */
+#  endif /* !TERMIOS_TTY_DRIVER */
+#endif /* !TIOCSTART */
+
+  return 0;
+}
+
+int
+rl_stop_output (count, key)
+     int count, key;
+{
+  int fildes = fileno (rl_instream);
+
+#if defined (TIOCSTOP)
+# if defined (apollo)
+  ioctl (&fildes, TIOCSTOP, 0);
+# else
+  ioctl (fildes, TIOCSTOP, 0);
+# endif /* apollo */
+#else /* !TIOCSTOP */
+# if defined (TERMIOS_TTY_DRIVER)
+#  if defined (__ksr1__)
+  ksrflow = 1;
+#  endif /* ksr1 */
+  tcflow (fildes, TCOOFF);
+# else
+#   if defined (TCXONC)
+  ioctl (fildes, TCXONC, TCOON);
+#   endif /* TCXONC */
+# endif /* !TERMIOS_TTY_DRIVER */
+#endif /* !TIOCSTOP */
+
+  return 0;
+}
+
+/* **************************************************************** */
+/*								    */
+/*			Default Key Bindings			    */
+/*								    */
+/* **************************************************************** */
+
+/* Set the system's default editing characters to their readline equivalents
+   in KMAP.  Should be static, now that we have rl_tty_set_default_bindings. */
+void
+rltty_set_default_bindings (kmap)
+     Keymap kmap;
+{
+  TIOTYPE ttybuff;
+  int tty = fileno (rl_instream);
+
+#if defined (NEW_TTY_DRIVER)
+
+#define SET_SPECIAL(sc, func) \
+  do \
+    { \
+      int ic; \
+      ic = sc; \
+      if (ic != -1 && kmap[(unsigned char)ic].type == ISFUNC) \
+	kmap[(unsigned char)ic].function = func; \
+    } \
+  while (0)
+
+  if (get_tty_settings (tty, &ttybuff) == 0)
+    {
+      if (ttybuff.flags & SGTTY_SET)
+	{
+	  SET_SPECIAL (ttybuff.sgttyb.sg_erase, rl_rubout);
+	  SET_SPECIAL (ttybuff.sgttyb.sg_kill, rl_unix_line_discard);
+	}
+
+#  if defined (TIOCGLTC)
+      if (ttybuff.flags & LTCHARS_SET)
+	{
+	  SET_SPECIAL (ttybuff.ltchars.t_werasc, rl_unix_word_rubout);
+	  SET_SPECIAL (ttybuff.ltchars.t_lnextc, rl_quoted_insert);
+	}
+#  endif /* TIOCGLTC */
+    }
+
+#else /* !NEW_TTY_DRIVER */
+
+#define SET_SPECIAL(sc, func) \
+  do \
+    { \
+      unsigned char uc; \
+      uc = ttybuff.c_cc[sc]; \
+      if (uc != (unsigned char)_POSIX_VDISABLE && kmap[uc].type == ISFUNC) \
+	kmap[uc].function = func; \
+    } \
+  while (0)
+
+  if (get_tty_settings (tty, &ttybuff) == 0)
+    {
+      SET_SPECIAL (VERASE, rl_rubout);
+      SET_SPECIAL (VKILL, rl_unix_line_discard);
+
+#  if defined (VLNEXT) && defined (TERMIOS_TTY_DRIVER)
+      SET_SPECIAL (VLNEXT, rl_quoted_insert);
+#  endif /* VLNEXT && TERMIOS_TTY_DRIVER */
+
+#  if defined (VWERASE) && defined (TERMIOS_TTY_DRIVER)
+      SET_SPECIAL (VWERASE, rl_unix_word_rubout);
+#  endif /* VWERASE && TERMIOS_TTY_DRIVER */
+    }
+#endif /* !NEW_TTY_DRIVER */
+}
+
+/* New public way to set the system default editing chars to their readline
+   equivalents. */
+void
+rl_tty_set_default_bindings (kmap)
+     Keymap kmap;
+{
+  rltty_set_default_bindings (kmap);
+}
+
+#if defined (HANDLE_SIGNALS)
+
+#if defined (NEW_TTY_DRIVER)
+int
+_rl_disable_tty_signals ()
+{
+  return 0;
+}
+
+int
+_rl_restore_tty_signals ()
+{
+  return 0;
+}
+#else
+
+static TIOTYPE sigstty, nosigstty;
+static int tty_sigs_disabled = 0;
+
+int
+_rl_disable_tty_signals ()
+{
+  if (tty_sigs_disabled)
+    return 0;
+
+  if (_get_tty_settings (fileno (rl_instream), &sigstty) < 0)
+    return -1;
+
+  nosigstty = sigstty;
+
+  nosigstty.c_lflag &= ~ISIG;
+  nosigstty.c_iflag &= ~IXON;
+
+  if (_set_tty_settings (fileno (rl_instream), &nosigstty) < 0)
+    return (_set_tty_settings (fileno (rl_instream), &sigstty));
+
+  tty_sigs_disabled = 1;
+  return 0;
+}
+
+int
+_rl_restore_tty_signals ()
+{
+  int r;
+
+  if (tty_sigs_disabled == 0)
+    return 0;
+
+  r = _set_tty_settings (fileno (rl_instream), &sigstty);
+
+  if (r == 0)
+    tty_sigs_disabled = 0;
+
+  return r;
+}
+#endif /* !NEW_TTY_DRIVER */
+
+#endif /* HANDLE_SIGNALS */
diff --git a/readline-4.3.orig/savestring.c b/readline-4.3.orig/savestring.c
new file mode 100644
index 0000000..c7ebeb1
--- /dev/null
+++ b/readline-4.3.orig/savestring.c
@@ -0,0 +1,36 @@
+/* savestring.c  */
+
+/* Copyright (C) 1998 Free Software Foundation, Inc.
+
+   This file is part of the GNU Readline Library, a library for
+   reading lines of text with interactive input and history editing.
+
+   The GNU Readline Library is free software; you can redistribute it
+   and/or modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2, or
+   (at your option) any later version.
+
+   The GNU Readline Library is distributed in the hope that it will be
+   useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   The GNU General Public License is often shipped with GNU software, and
+   is generally kept in a file called COPYING or LICENSE.  If you do not
+   have a copy of the license, write to the Free Software Foundation,
+   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+
+#include <config.h>
+#ifdef HAVE_STRING_H
+#  include <string.h>
+#endif
+#include "xmalloc.h"
+
+/* Backwards compatibility, now that savestring has been removed from
+   all `public' readline header files. */
+char *
+savestring (s)
+     const char *s;
+{
+  return ((char *)strcpy ((char *)xmalloc (1 + strlen (s)), (s)));
+}
diff --git a/readline-4.3.orig/search.c b/readline-4.3.orig/search.c
new file mode 100644
index 0000000..7e0d60b
--- /dev/null
+++ b/readline-4.3.orig/search.c
@@ -0,0 +1,465 @@
+/* search.c - code for non-incremental searching in emacs and vi modes. */
+
+/* Copyright (C) 1992 Free Software Foundation, Inc.
+
+   This file is part of the Readline Library (the Library), a set of
+   routines for providing Emacs style line input to programs that ask
+   for it.
+
+   The Library is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   The Library is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   The GNU General Public License is often shipped with GNU software, and
+   is generally kept in a file called COPYING or LICENSE.  If you do not
+   have a copy of the license, write to the Free Software Foundation,
+   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+#define READLINE_LIBRARY
+
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
+
+#include <sys/types.h>
+#include <stdio.h>
+
+#if defined (HAVE_UNISTD_H)
+#  include <unistd.h>
+#endif
+
+#if defined (HAVE_STDLIB_H)
+#  include <stdlib.h>
+#else
+#  include "ansi_stdlib.h"
+#endif
+
+#include "rldefs.h"
+#include "rlmbutil.h"
+
+#include "readline.h"
+#include "history.h"
+
+#include "rlprivate.h"
+#include "xmalloc.h"
+
+#ifdef abs
+#  undef abs
+#endif
+#define abs(x)		(((x) >= 0) ? (x) : -(x))
+
+extern HIST_ENTRY *_rl_saved_line_for_history;
+
+/* Functions imported from the rest of the library. */
+extern int _rl_free_history_entry PARAMS((HIST_ENTRY *));
+
+static char *noninc_search_string = (char *) NULL;
+static int noninc_history_pos;
+
+static char *prev_line_found = (char *) NULL;
+
+static int rl_history_search_len;
+static int rl_history_search_pos;
+static char *history_search_string;
+static int history_string_size;
+
+static void make_history_line_current PARAMS((HIST_ENTRY *));
+static int noninc_search_from_pos PARAMS((char *, int, int));
+static void noninc_dosearch PARAMS((char *, int));
+static void noninc_search PARAMS((int, int));
+static int rl_history_search_internal PARAMS((int, int));
+static void rl_history_search_reinit PARAMS((void));
+
+/* Make the data from the history entry ENTRY be the contents of the
+   current line.  This doesn't do anything with rl_point; the caller
+   must set it. */
+static void
+make_history_line_current (entry)
+     HIST_ENTRY *entry;
+{
+  rl_replace_line (entry->line, 0);
+  rl_undo_list = (UNDO_LIST *)entry->data;
+
+  if (_rl_saved_line_for_history)
+    _rl_free_history_entry (_rl_saved_line_for_history);
+  _rl_saved_line_for_history = (HIST_ENTRY *)NULL;
+}
+
+/* Search the history list for STRING starting at absolute history position
+   POS.  If STRING begins with `^', the search must match STRING at the
+   beginning of a history line, otherwise a full substring match is performed
+   for STRING.  DIR < 0 means to search backwards through the history list,
+   DIR >= 0 means to search forward. */
+static int
+noninc_search_from_pos (string, pos, dir)
+     char *string;
+     int pos, dir;
+{
+  int ret, old;
+
+  if (pos < 0)
+    return -1;
+
+  old = where_history ();
+  if (history_set_pos (pos) == 0)
+    return -1;
+
+  RL_SETSTATE(RL_STATE_SEARCH);
+  if (*string == '^')
+    ret = history_search_prefix (string + 1, dir);
+  else
+    ret = history_search (string, dir);
+  RL_UNSETSTATE(RL_STATE_SEARCH);
+
+  if (ret != -1)
+    ret = where_history ();
+
+  history_set_pos (old);
+  return (ret);
+}
+
+/* Search for a line in the history containing STRING.  If DIR is < 0, the
+   search is backwards through previous entries, else through subsequent
+   entries. */
+static void
+noninc_dosearch (string, dir)
+     char *string;
+     int dir;
+{
+  int oldpos, pos;
+  HIST_ENTRY *entry;
+
+  if (string == 0 || *string == '\0' || noninc_history_pos < 0)
+    {
+      rl_ding ();
+      return;
+    }
+
+  pos = noninc_search_from_pos (string, noninc_history_pos + dir, dir);
+  if (pos == -1)
+    {
+      /* Search failed, current history position unchanged. */
+      rl_maybe_unsave_line ();
+      rl_clear_message ();
+      rl_point = 0;
+      rl_ding ();
+      return;
+    }
+
+  noninc_history_pos = pos;
+
+  oldpos = where_history ();
+  history_set_pos (noninc_history_pos);
+  entry = current_history ();
+#if defined (VI_MODE)
+  if (rl_editing_mode != vi_mode)
+#endif
+  history_set_pos (oldpos);
+
+  make_history_line_current (entry);
+
+  rl_point = 0;
+  rl_mark = rl_end;
+
+  rl_clear_message ();
+}
+
+/* Search non-interactively through the history list.  DIR < 0 means to
+   search backwards through the history of previous commands; otherwise
+   the search is for commands subsequent to the current position in the
+   history list.  PCHAR is the character to use for prompting when reading
+   the search string; if not specified (0), it defaults to `:'. */
+static void
+noninc_search (dir, pchar)
+     int dir;
+     int pchar;
+{
+  int saved_point, saved_mark, c;
+  char *p;
+#if defined (HANDLE_MULTIBYTE)
+  char mb[MB_LEN_MAX];
+#endif
+
+  rl_maybe_save_line ();
+  saved_point = rl_point;
+  saved_mark = rl_mark;
+
+  /* Use the line buffer to read the search string. */
+  rl_line_buffer[0] = 0;
+  rl_end = rl_point = 0;
+
+  p = _rl_make_prompt_for_search (pchar ? pchar : ':');
+  rl_message (p, 0, 0);
+  free (p);
+
+#define SEARCH_RETURN rl_restore_prompt (); RL_UNSETSTATE(RL_STATE_NSEARCH); return
+
+  RL_SETSTATE(RL_STATE_NSEARCH);
+  /* Read the search string. */
+  while (1)
+    {
+      RL_SETSTATE(RL_STATE_MOREINPUT);
+      c = rl_read_key ();
+      RL_UNSETSTATE(RL_STATE_MOREINPUT);
+
+#if defined (HANDLE_MULTIBYTE)
+      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	c = _rl_read_mbstring (c, mb, MB_LEN_MAX);
+#endif
+
+      if (c == 0)
+	break;
+
+      switch (c)
+	{
+	case CTRL('H'):
+	case RUBOUT:
+	  if (rl_point == 0)
+	    {
+	      rl_maybe_unsave_line ();
+	      rl_clear_message ();
+	      rl_point = saved_point;
+	      rl_mark = saved_mark;
+	      SEARCH_RETURN;
+	    }
+	  _rl_rubout_char (1, c);
+	  break;
+
+	case CTRL('W'):
+	  rl_unix_word_rubout (1, c);
+	  break;
+
+	case CTRL('U'):
+	  rl_unix_line_discard (1, c);
+	  break;
+
+	case RETURN:
+	case NEWLINE:
+	  goto dosearch;
+	  /* NOTREACHED */
+	  break;
+
+	case CTRL('C'):
+	case CTRL('G'):
+	  rl_maybe_unsave_line ();
+	  rl_clear_message ();
+	  rl_point = saved_point;
+	  rl_mark = saved_mark;
+	  rl_ding ();
+	  SEARCH_RETURN;
+
+	default:
+#if defined (HANDLE_MULTIBYTE)
+	  if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	    rl_insert_text (mb);
+	  else
+#endif
+	    _rl_insert_char (1, c);
+	  break;
+	}
+      (*rl_redisplay_function) ();
+    }
+
+ dosearch:
+  rl_mark = saved_mark;
+
+  /* If rl_point == 0, we want to re-use the previous search string and
+     start from the saved history position.  If there's no previous search
+     string, punt. */
+  if (rl_point == 0)
+    {
+      if (!noninc_search_string)
+	{
+	  rl_ding ();
+	  SEARCH_RETURN;
+	}
+    }
+  else
+    {
+      /* We want to start the search from the current history position. */
+      noninc_history_pos = where_history ();
+      FREE (noninc_search_string);
+      noninc_search_string = savestring (rl_line_buffer);
+    }
+
+  rl_restore_prompt ();
+  noninc_dosearch (noninc_search_string, dir);
+  RL_UNSETSTATE(RL_STATE_NSEARCH);
+}
+
+/* Search forward through the history list for a string.  If the vi-mode
+   code calls this, KEY will be `?'. */
+int
+rl_noninc_forward_search (count, key)
+     int count, key;
+{
+  noninc_search (1, (key == '?') ? '?' : 0);
+  return 0;
+}
+
+/* Reverse search the history list for a string.  If the vi-mode code
+   calls this, KEY will be `/'. */
+int
+rl_noninc_reverse_search (count, key)
+     int count, key;
+{
+  noninc_search (-1, (key == '/') ? '/' : 0);
+  return 0;
+}
+
+/* Search forward through the history list for the last string searched
+   for.  If there is no saved search string, abort. */
+int
+rl_noninc_forward_search_again (count, key)
+     int count, key;
+{
+  if (!noninc_search_string)
+    {
+      rl_ding ();
+      return (-1);
+    }
+  noninc_dosearch (noninc_search_string, 1);
+  return 0;
+}
+
+/* Reverse search in the history list for the last string searched
+   for.  If there is no saved search string, abort. */
+int
+rl_noninc_reverse_search_again (count, key)
+     int count, key;
+{
+  if (!noninc_search_string)
+    {
+      rl_ding ();
+      return (-1);
+    }
+  noninc_dosearch (noninc_search_string, -1);
+  return 0;
+}
+
+static int
+rl_history_search_internal (count, dir)
+     int count, dir;
+{
+  HIST_ENTRY *temp;
+  int ret, oldpos;
+
+  rl_maybe_save_line ();
+  temp = (HIST_ENTRY *)NULL;
+
+  /* Search COUNT times through the history for a line whose prefix
+     matches history_search_string.  When this loop finishes, TEMP,
+     if non-null, is the history line to copy into the line buffer. */
+  while (count)
+    {
+      ret = noninc_search_from_pos (history_search_string, rl_history_search_pos + dir, dir);
+      if (ret == -1)
+	break;
+
+      /* Get the history entry we found. */
+      rl_history_search_pos = ret;
+      oldpos = where_history ();
+      history_set_pos (rl_history_search_pos);
+      temp = current_history ();
+      history_set_pos (oldpos);
+
+      /* Don't find multiple instances of the same line. */
+      if (prev_line_found && STREQ (prev_line_found, temp->line))
+        continue;
+      prev_line_found = temp->line;
+      count--;
+    }
+
+  /* If we didn't find anything at all, return. */
+  if (temp == 0)
+    {
+      rl_maybe_unsave_line ();
+      rl_ding ();
+      /* If you don't want the saved history line (last match) to show up
+         in the line buffer after the search fails, change the #if 0 to
+         #if 1 */
+#if 0
+      if (rl_point > rl_history_search_len)
+        {
+          rl_point = rl_end = rl_history_search_len;
+          rl_line_buffer[rl_end] = '\0';
+          rl_mark = 0;
+        }
+#else
+      rl_point = rl_history_search_len;	/* rl_maybe_unsave_line changes it */
+      rl_mark = rl_end;
+#endif
+      return 1;
+    }
+
+  /* Copy the line we found into the current line buffer. */
+  make_history_line_current (temp);
+
+  rl_point = rl_history_search_len;
+  rl_mark = rl_end;
+
+  return 0;
+}
+
+static void
+rl_history_search_reinit ()
+{
+  rl_history_search_pos = where_history ();
+  rl_history_search_len = rl_point;
+  prev_line_found = (char *)NULL;
+  if (rl_point)
+    {
+      if (rl_history_search_len >= history_string_size - 2)
+	{
+	  history_string_size = rl_history_search_len + 2;
+	  history_search_string = (char *)xrealloc (history_search_string, history_string_size);
+	}
+      history_search_string[0] = '^';
+      strncpy (history_search_string + 1, rl_line_buffer, rl_point);
+      history_search_string[rl_point + 1] = '\0';
+    }
+  _rl_free_saved_history_line ();
+}
+
+/* Search forward in the history for the string of characters
+   from the start of the line to rl_point.  This is a non-incremental
+   search. */
+int
+rl_history_search_forward (count, ignore)
+     int count, ignore;
+{
+  if (count == 0)
+    return (0);
+
+  if (rl_last_func != rl_history_search_forward &&
+      rl_last_func != rl_history_search_backward)
+    rl_history_search_reinit ();
+
+  if (rl_history_search_len == 0)
+    return (rl_get_next_history (count, ignore));
+  return (rl_history_search_internal (abs (count), (count > 0) ? 1 : -1));
+}
+
+/* Search backward through the history for the string of characters
+   from the start of the line to rl_point.  This is a non-incremental
+   search. */
+int
+rl_history_search_backward (count, ignore)
+     int count, ignore;
+{
+  if (count == 0)
+    return (0);
+
+  if (rl_last_func != rl_history_search_forward &&
+      rl_last_func != rl_history_search_backward)
+    rl_history_search_reinit ();
+
+  if (rl_history_search_len == 0)
+    return (rl_get_previous_history (count, ignore));
+  return (rl_history_search_internal (abs (count), (count > 0) ? -1 : 1));
+}
diff --git a/readline-4.3.orig/shell.c b/readline-4.3.orig/shell.c
new file mode 100644
index 0000000..ad27cc1
--- /dev/null
+++ b/readline-4.3.orig/shell.c
@@ -0,0 +1,196 @@
+/* shell.c -- readline utility functions that are normally provided by
+	      bash when readline is linked as part of the shell. */
+
+/* Copyright (C) 1997 Free Software Foundation, Inc.
+
+   This file is part of the GNU Readline Library, a library for
+   reading lines of text with interactive input and history editing.
+
+   The GNU Readline Library is free software; you can redistribute it
+   and/or modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2, or
+   (at your option) any later version.
+
+   The GNU Readline Library is distributed in the hope that it will be
+   useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   The GNU General Public License is often shipped with GNU software, and
+   is generally kept in a file called COPYING or LICENSE.  If you do not
+   have a copy of the license, write to the Free Software Foundation,
+   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+#define READLINE_LIBRARY
+
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
+
+#include <sys/types.h>
+
+#if defined (HAVE_UNISTD_H)
+#  include <unistd.h>
+#endif /* HAVE_UNISTD_H */
+
+#if defined (HAVE_STDLIB_H)
+#  include <stdlib.h>
+#else
+#  include "ansi_stdlib.h"
+#endif /* HAVE_STDLIB_H */
+
+#if defined (HAVE_STRING_H)
+#  include <string.h>
+#else
+#  include <strings.h>
+#endif /* !HAVE_STRING_H */
+
+#if defined (HAVE_LIMITS_H)
+#  include <limits.h>
+#endif
+
+#include <fcntl.h>
+#include <pwd.h>
+
+#include <stdio.h>
+
+#include "rlstdc.h"
+#include "rlshell.h"
+#include "xmalloc.h"
+
+#if !defined (HAVE_GETPW_DECLS)
+extern struct passwd *getpwuid PARAMS((uid_t));
+#endif /* !HAVE_GETPW_DECLS */
+
+#ifndef NULL
+#  define NULL 0
+#endif
+
+#ifndef CHAR_BIT
+#  define CHAR_BIT 8
+#endif
+
+/* Nonzero if the integer type T is signed.  */
+#define TYPE_SIGNED(t) (! ((t) 0 < (t) -1))
+
+/* Bound on length of the string representing an integer value of type T.
+   Subtract one for the sign bit if T is signed;
+   302 / 1000 is log10 (2) rounded up;
+   add one for integer division truncation;
+   add one more for a minus sign if t is signed.  */
+#define INT_STRLEN_BOUND(t) \
+  ((sizeof (t) * CHAR_BIT - TYPE_SIGNED (t)) * 302 / 1000 \
+   + 1 + TYPE_SIGNED (t))
+
+/* All of these functions are resolved from bash if we are linking readline
+   as part of bash. */
+
+/* Does shell-like quoting using single quotes. */
+char *
+sh_single_quote (string)
+     char *string;
+{
+  register int c;
+  char *result, *r, *s;
+
+  result = (char *)xmalloc (3 + (4 * strlen (string)));
+  r = result;
+  *r++ = '\'';
+
+  for (s = string; s && (c = *s); s++)
+    {
+      *r++ = c;
+
+      if (c == '\'')
+	{
+	  *r++ = '\\';	/* insert escaped single quote */
+	  *r++ = '\'';
+	  *r++ = '\'';	/* start new quoted string */
+	}
+    }
+
+  *r++ = '\'';
+  *r = '\0';
+
+  return (result);
+}
+
+/* Set the environment variables LINES and COLUMNS to lines and cols,
+   respectively. */
+void
+sh_set_lines_and_columns (lines, cols)
+     int lines, cols;
+{
+  char *b;
+
+#if defined (HAVE_PUTENV)
+  b = (char *)xmalloc (INT_STRLEN_BOUND (int) + sizeof ("LINES=") + 1);
+  sprintf (b, "LINES=%d", lines);
+  putenv (b);
+  b = (char *)xmalloc (INT_STRLEN_BOUND (int) + sizeof ("COLUMNS=") + 1);
+  sprintf (b, "COLUMNS=%d", cols);
+  putenv (b);
+#else /* !HAVE_PUTENV */
+#  if defined (HAVE_SETENV)
+  b = (char *)xmalloc (INT_STRLEN_BOUND (int) + 1);
+  sprintf (b, "%d", lines);
+  setenv ("LINES", b, 1);
+  b = (char *)xmalloc (INT_STRLEN_BOUND (int) + 1);
+  sprintf (b, "%d", cols);
+  setenv ("COLUMNS", b, 1);
+#  endif /* HAVE_SETENV */
+#endif /* !HAVE_PUTENV */
+}
+
+char *
+sh_get_env_value (varname)
+     const char *varname;
+{
+  return ((char *)getenv (varname));
+}
+
+char *
+sh_get_home_dir ()
+{
+  char *home_dir;
+  struct passwd *entry;
+
+  home_dir = (char *)NULL;
+  entry = getpwuid (getuid ());
+  if (entry)
+    home_dir = entry->pw_dir;
+  return (home_dir);
+}
+
+#if !defined (O_NDELAY)
+#  if defined (FNDELAY)
+#    define O_NDELAY FNDELAY
+#  endif
+#endif
+
+int
+sh_unset_nodelay_mode (fd)
+     int fd;
+{
+  int flags, bflags;
+
+  if ((flags = fcntl (fd, F_GETFL, 0)) < 0)
+    return -1;
+
+  bflags = 0;
+
+#ifdef O_NONBLOCK
+  bflags |= O_NONBLOCK;
+#endif
+
+#ifdef O_NDELAY
+  bflags |= O_NDELAY;
+#endif
+
+  if (flags & bflags)
+    {
+      flags &= ~bflags;
+      return (fcntl (fd, F_SETFL, flags));
+    }
+
+  return 0;
+}
diff --git a/readline-4.3.orig/signals.c b/readline-4.3.orig/signals.c
new file mode 100644
index 0000000..0a1468b
--- /dev/null
+++ b/readline-4.3.orig/signals.c
@@ -0,0 +1,398 @@
+/* signals.c -- signal handling support for readline. */
+
+/* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc.
+
+   This file is part of the GNU Readline Library, a library for
+   reading lines of text with interactive input and history editing.
+
+   The GNU Readline Library is free software; you can redistribute it
+   and/or modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2, or
+   (at your option) any later version.
+
+   The GNU Readline Library is distributed in the hope that it will be
+   useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   The GNU General Public License is often shipped with GNU software, and
+   is generally kept in a file called COPYING or LICENSE.  If you do not
+   have a copy of the license, write to the Free Software Foundation,
+   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+#define READLINE_LIBRARY
+
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
+
+#include <stdio.h>		/* Just for NULL.  Yuck. */
+#include <sys/types.h>
+#include <signal.h>
+
+#if defined (HAVE_UNISTD_H)
+#  include <unistd.h>
+#endif /* HAVE_UNISTD_H */
+
+/* System-specific feature definitions and include files. */
+#include "rldefs.h"
+
+#if defined (GWINSZ_IN_SYS_IOCTL)
+#  include <sys/ioctl.h>
+#endif /* GWINSZ_IN_SYS_IOCTL */
+
+#if defined (HANDLE_SIGNALS)
+/* Some standard library routines. */
+#include "readline.h"
+#include "history.h"
+
+#include "rlprivate.h"
+
+#if !defined (RETSIGTYPE)
+#  if defined (VOID_SIGHANDLER)
+#    define RETSIGTYPE void
+#  else
+#    define RETSIGTYPE int
+#  endif /* !VOID_SIGHANDLER */
+#endif /* !RETSIGTYPE */
+
+#if defined (VOID_SIGHANDLER)
+#  define SIGHANDLER_RETURN return
+#else
+#  define SIGHANDLER_RETURN return (0)
+#endif
+
+/* This typedef is equivalent to the one for Function; it allows us
+   to say SigHandler *foo = signal (SIGKILL, SIG_IGN); */
+typedef RETSIGTYPE SigHandler ();
+
+#if defined (HAVE_POSIX_SIGNALS)
+typedef struct sigaction sighandler_cxt;
+#  define rl_sigaction(s, nh, oh)	sigaction(s, nh, oh)
+#else
+typedef struct { SigHandler *sa_handler; int sa_mask, sa_flags; } sighandler_cxt;
+#  define sigemptyset(m)
+#endif /* !HAVE_POSIX_SIGNALS */
+
+static SigHandler *rl_set_sighandler PARAMS((int, SigHandler *, sighandler_cxt *));
+static void rl_maybe_set_sighandler PARAMS((int, SigHandler *, sighandler_cxt *));
+
+/* Exported variables for use by applications. */
+
+/* If non-zero, readline will install its own signal handlers for
+   SIGINT, SIGTERM, SIGQUIT, SIGALRM, SIGTSTP, SIGTTIN, and SIGTTOU. */
+int rl_catch_signals = 1;
+
+/* If non-zero, readline will install a signal handler for SIGWINCH. */
+#ifdef SIGWINCH
+int rl_catch_sigwinch = 1;
+#endif
+
+static int signals_set_flag;
+static int sigwinch_set_flag;
+
+/* **************************************************************** */
+/*					        		    */
+/*			   Signal Handling                          */
+/*								    */
+/* **************************************************************** */
+
+static sighandler_cxt old_int, old_term, old_alrm, old_quit;
+#if defined (SIGTSTP)
+static sighandler_cxt old_tstp, old_ttou, old_ttin;
+#endif
+#if defined (SIGWINCH)
+static sighandler_cxt old_winch;
+#endif
+
+/* Readline signal handler functions. */
+
+static RETSIGTYPE
+rl_signal_handler (sig)
+     int sig;
+{
+#if defined (HAVE_POSIX_SIGNALS)
+  sigset_t set;
+#else /* !HAVE_POSIX_SIGNALS */
+#  if defined (HAVE_BSD_SIGNALS)
+  long omask;
+#  else /* !HAVE_BSD_SIGNALS */
+  sighandler_cxt dummy_cxt;	/* needed for rl_set_sighandler call */
+#  endif /* !HAVE_BSD_SIGNALS */
+#endif /* !HAVE_POSIX_SIGNALS */
+
+  RL_SETSTATE(RL_STATE_SIGHANDLER);
+
+#if !defined (HAVE_BSD_SIGNALS) && !defined (HAVE_POSIX_SIGNALS)
+  /* Since the signal will not be blocked while we are in the signal
+     handler, ignore it until rl_clear_signals resets the catcher. */
+  if (sig == SIGINT || sig == SIGALRM)
+    rl_set_sighandler (sig, SIG_IGN, &dummy_cxt);
+#endif /* !HAVE_BSD_SIGNALS && !HAVE_POSIX_SIGNALS */
+
+  switch (sig)
+    {
+    case SIGINT:
+      rl_free_line_state ();
+      /* FALLTHROUGH */
+
+#if defined (SIGTSTP)
+    case SIGTSTP:
+    case SIGTTOU:
+    case SIGTTIN:
+#endif /* SIGTSTP */
+    case SIGALRM:
+    case SIGTERM:
+    case SIGQUIT:
+      rl_cleanup_after_signal ();
+
+#if defined (HAVE_POSIX_SIGNALS)
+      sigprocmask (SIG_BLOCK, (sigset_t *)NULL, &set);
+      sigdelset (&set, sig);
+#else /* !HAVE_POSIX_SIGNALS */
+#  if defined (HAVE_BSD_SIGNALS)
+      omask = sigblock (0);
+#  endif /* HAVE_BSD_SIGNALS */
+#endif /* !HAVE_POSIX_SIGNALS */
+
+#if defined (__EMX__)
+      signal (sig, SIG_ACK);
+#endif
+
+      kill (getpid (), sig);
+
+      /* Let the signal that we just sent through.  */
+#if defined (HAVE_POSIX_SIGNALS)
+      sigprocmask (SIG_SETMASK, &set, (sigset_t *)NULL);
+#else /* !HAVE_POSIX_SIGNALS */
+#  if defined (HAVE_BSD_SIGNALS)
+      sigsetmask (omask & ~(sigmask (sig)));
+#  endif /* HAVE_BSD_SIGNALS */
+#endif /* !HAVE_POSIX_SIGNALS */
+
+      rl_reset_after_signal ();
+    }
+
+  RL_UNSETSTATE(RL_STATE_SIGHANDLER);
+  SIGHANDLER_RETURN;
+}
+
+#if defined (SIGWINCH)
+static RETSIGTYPE
+rl_sigwinch_handler (sig)
+     int sig;
+{
+  SigHandler *oh;
+
+#if defined (MUST_REINSTALL_SIGHANDLERS)
+  sighandler_cxt dummy_winch;
+
+  /* We don't want to change old_winch -- it holds the state of SIGWINCH
+     disposition set by the calling application.  We need this state
+     because we call the application's SIGWINCH handler after updating
+     our own idea of the screen size. */
+  rl_set_sighandler (SIGWINCH, rl_sigwinch_handler, &dummy_winch);
+#endif
+
+  RL_SETSTATE(RL_STATE_SIGHANDLER);
+  rl_resize_terminal ();
+
+  /* If another sigwinch handler has been installed, call it. */
+  oh = (SigHandler *)old_winch.sa_handler;
+  if (oh &&  oh != (SigHandler *)SIG_IGN && oh != (SigHandler *)SIG_DFL)
+    (*oh) (sig);
+
+  RL_UNSETSTATE(RL_STATE_SIGHANDLER);
+  SIGHANDLER_RETURN;
+}
+#endif  /* SIGWINCH */
+
+/* Functions to manage signal handling. */
+
+#if !defined (HAVE_POSIX_SIGNALS)
+static int
+rl_sigaction (sig, nh, oh)
+     int sig;
+     sighandler_cxt *nh, *oh;
+{
+  oh->sa_handler = signal (sig, nh->sa_handler);
+  return 0;
+}
+#endif /* !HAVE_POSIX_SIGNALS */
+
+/* Set up a readline-specific signal handler, saving the old signal
+   information in OHANDLER.  Return the old signal handler, like
+   signal(). */
+static SigHandler *
+rl_set_sighandler (sig, handler, ohandler)
+     int sig;
+     SigHandler *handler;
+     sighandler_cxt *ohandler;
+{
+  sighandler_cxt old_handler;
+#if defined (HAVE_POSIX_SIGNALS)
+  struct sigaction act;
+
+  act.sa_handler = handler;
+  act.sa_flags = 0;	/* XXX - should we set SA_RESTART for SIGWINCH? */
+  sigemptyset (&act.sa_mask);
+  sigemptyset (&ohandler->sa_mask);
+  sigaction (sig, &act, &old_handler);
+#else
+  old_handler.sa_handler = (SigHandler *)signal (sig, handler);
+#endif /* !HAVE_POSIX_SIGNALS */
+
+  /* XXX -- assume we have memcpy */
+  /* If rl_set_signals is called twice in a row, don't set the old handler to
+     rl_signal_handler, because that would cause infinite recursion. */
+  if (handler != rl_signal_handler || old_handler.sa_handler != rl_signal_handler)
+    memcpy (ohandler, &old_handler, sizeof (sighandler_cxt));
+
+  return (ohandler->sa_handler);
+}
+
+static void
+rl_maybe_set_sighandler (sig, handler, ohandler)
+     int sig;
+     SigHandler *handler;
+     sighandler_cxt *ohandler;
+{
+  sighandler_cxt dummy;
+  SigHandler *oh;
+
+  sigemptyset (&dummy.sa_mask);
+  oh = rl_set_sighandler (sig, handler, ohandler);
+  if (oh == (SigHandler *)SIG_IGN)
+    rl_sigaction (sig, ohandler, &dummy);
+}
+
+int
+rl_set_signals ()
+{
+  sighandler_cxt dummy;
+  SigHandler *oh;
+
+  if (rl_catch_signals && signals_set_flag == 0)
+    {
+      rl_maybe_set_sighandler (SIGINT, rl_signal_handler, &old_int);
+      rl_maybe_set_sighandler (SIGTERM, rl_signal_handler, &old_term);
+      rl_maybe_set_sighandler (SIGQUIT, rl_signal_handler, &old_quit);
+
+      oh = rl_set_sighandler (SIGALRM, rl_signal_handler, &old_alrm);
+      if (oh == (SigHandler *)SIG_IGN)
+	rl_sigaction (SIGALRM, &old_alrm, &dummy);
+#if defined (HAVE_POSIX_SIGNALS) && defined (SA_RESTART)
+      /* If the application using readline has already installed a signal
+	 handler with SA_RESTART, SIGALRM will cause reads to be restarted
+	 automatically, so readline should just get out of the way.  Since
+	 we tested for SIG_IGN above, we can just test for SIG_DFL here. */
+      if (oh != (SigHandler *)SIG_DFL && (old_alrm.sa_flags & SA_RESTART))
+	rl_sigaction (SIGALRM, &old_alrm, &dummy);
+#endif /* HAVE_POSIX_SIGNALS */
+
+#if defined (SIGTSTP)
+      rl_maybe_set_sighandler (SIGTSTP, rl_signal_handler, &old_tstp);
+#endif /* SIGTSTP */
+
+#if defined (SIGTTOU)
+      rl_maybe_set_sighandler (SIGTTOU, rl_signal_handler, &old_ttou);
+#endif /* SIGTTOU */
+
+#if defined (SIGTTIN)
+      rl_maybe_set_sighandler (SIGTTIN, rl_signal_handler, &old_ttin);
+#endif /* SIGTTIN */
+
+      signals_set_flag = 1;
+    }
+
+#if defined (SIGWINCH)
+  if (rl_catch_sigwinch && sigwinch_set_flag == 0)
+    {
+      rl_maybe_set_sighandler (SIGWINCH, rl_sigwinch_handler, &old_winch);
+      sigwinch_set_flag = 1;
+    }
+#endif /* SIGWINCH */
+
+  return 0;
+}
+
+int
+rl_clear_signals ()
+{
+  sighandler_cxt dummy;
+
+  if (rl_catch_signals && signals_set_flag == 1)
+    {
+      sigemptyset (&dummy.sa_mask);
+
+      rl_sigaction (SIGINT, &old_int, &dummy);
+      rl_sigaction (SIGTERM, &old_term, &dummy);
+      rl_sigaction (SIGQUIT, &old_quit, &dummy);
+      rl_sigaction (SIGALRM, &old_alrm, &dummy);
+
+#if defined (SIGTSTP)
+      rl_sigaction (SIGTSTP, &old_tstp, &dummy);
+#endif /* SIGTSTP */
+
+#if defined (SIGTTOU)
+      rl_sigaction (SIGTTOU, &old_ttou, &dummy);
+#endif /* SIGTTOU */
+
+#if defined (SIGTTIN)
+      rl_sigaction (SIGTTIN, &old_ttin, &dummy);
+#endif /* SIGTTIN */
+
+      signals_set_flag = 0;
+    }
+
+#if defined (SIGWINCH)
+  if (rl_catch_sigwinch && sigwinch_set_flag == 1)
+    {
+      sigemptyset (&dummy.sa_mask);
+      rl_sigaction (SIGWINCH, &old_winch, &dummy);
+      sigwinch_set_flag = 0;
+    }
+#endif
+
+  return 0;
+}
+
+/* Clean up the terminal and readline state after catching a signal, before
+   resending it to the calling application. */
+void
+rl_cleanup_after_signal ()
+{
+  _rl_clean_up_for_exit ();
+  (*rl_deprep_term_function) ();
+  rl_clear_signals ();
+  rl_clear_pending_input ();
+}
+
+/* Reset the terminal and readline state after a signal handler returns. */
+void
+rl_reset_after_signal ()
+{
+  (*rl_prep_term_function) (_rl_meta_flag);
+  rl_set_signals ();
+}
+
+/* Free up the readline variable line state for the current line (undo list,
+   any partial history entry, any keyboard macros in progress, and any
+   numeric arguments in process) after catching a signal, before calling
+   rl_cleanup_after_signal(). */ 
+void
+rl_free_line_state ()
+{
+  register HIST_ENTRY *entry;
+
+  rl_free_undo_list ();
+
+  entry = current_history ();
+  if (entry)
+    entry->data = (char *)NULL;
+
+  _rl_kill_kbd_macro ();
+  rl_clear_message ();
+  _rl_init_argument ();
+}
+
+#endif  /* HANDLE_SIGNALS */
diff --git a/readline-4.3.orig/terminal.c b/readline-4.3.orig/terminal.c
new file mode 100644
index 0000000..f3f5b6c
--- /dev/null
+++ b/readline-4.3.orig/terminal.c
@@ -0,0 +1,662 @@
+/* terminal.c -- controlling the terminal with termcap. */
+
+/* Copyright (C) 1996 Free Software Foundation, Inc.
+
+   This file is part of the GNU Readline Library, a library for
+   reading lines of text with interactive input and history editing.
+
+   The GNU Readline Library is free software; you can redistribute it
+   and/or modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2, or
+   (at your option) any later version.
+
+   The GNU Readline Library is distributed in the hope that it will be
+   useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   The GNU General Public License is often shipped with GNU software, and
+   is generally kept in a file called COPYING or LICENSE.  If you do not
+   have a copy of the license, write to the Free Software Foundation,
+   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+#define READLINE_LIBRARY
+
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
+
+#include <sys/types.h>
+#include "posixstat.h"
+#include <fcntl.h>
+#if defined (HAVE_SYS_FILE_H)
+#  include <sys/file.h>
+#endif /* HAVE_SYS_FILE_H */
+
+#if defined (HAVE_UNISTD_H)
+#  include <unistd.h>
+#endif /* HAVE_UNISTD_H */
+
+#if defined (HAVE_STDLIB_H)
+#  include <stdlib.h>
+#else
+#  include "ansi_stdlib.h"
+#endif /* HAVE_STDLIB_H */
+
+#if defined (HAVE_LOCALE_H)
+#  include <locale.h>
+#endif
+
+#include <stdio.h>
+
+/* System-specific feature definitions and include files. */
+#include "rldefs.h"
+
+#if defined (GWINSZ_IN_SYS_IOCTL) && !defined (TIOCGWINSZ)
+#  include <sys/ioctl.h>
+#endif /* GWINSZ_IN_SYS_IOCTL && !TIOCGWINSZ */
+
+#include "rltty.h"
+#include "tcap.h"
+
+/* Some standard library routines. */
+#include "readline.h"
+#include "history.h"
+
+#include "rlprivate.h"
+#include "rlshell.h"
+#include "xmalloc.h"
+
+#define CUSTOM_REDISPLAY_FUNC() (rl_redisplay_function != rl_redisplay)
+#define CUSTOM_INPUT_FUNC() (rl_getc_function != rl_getc)
+
+/* **************************************************************** */
+/*								    */
+/*			Terminal and Termcap			    */
+/*								    */
+/* **************************************************************** */
+
+static char *term_buffer = (char *)NULL;
+static char *term_string_buffer = (char *)NULL;
+
+static int tcap_initialized;
+
+#if !defined (__linux__)
+#  if defined (__EMX__) || defined (NEED_EXTERN_PC)
+extern 
+#  endif /* __EMX__ || NEED_EXTERN_PC */
+char PC, *BC, *UP;
+#endif /* __linux__ */
+
+/* Some strings to control terminal actions.  These are output by tputs (). */
+char *_rl_term_clreol;
+char *_rl_term_clrpag;
+char *_rl_term_cr;
+char *_rl_term_backspace;
+char *_rl_term_goto;
+char *_rl_term_pc;
+
+/* Non-zero if we determine that the terminal can do character insertion. */
+int _rl_terminal_can_insert = 0;
+
+/* How to insert characters. */
+char *_rl_term_im;
+char *_rl_term_ei;
+char *_rl_term_ic;
+char *_rl_term_ip;
+char *_rl_term_IC;
+
+/* How to delete characters. */
+char *_rl_term_dc;
+char *_rl_term_DC;
+
+#if defined (HACK_TERMCAP_MOTION)
+char *_rl_term_forward_char;
+#endif  /* HACK_TERMCAP_MOTION */
+
+/* How to go up a line. */
+char *_rl_term_up;
+
+/* A visible bell; char if the terminal can be made to flash the screen. */
+static char *_rl_visible_bell;
+
+/* Non-zero means the terminal can auto-wrap lines. */
+int _rl_term_autowrap;
+
+/* Non-zero means that this terminal has a meta key. */
+static int term_has_meta;
+
+/* The sequences to write to turn on and off the meta key, if this
+   terminal has one. */
+static char *_rl_term_mm;
+static char *_rl_term_mo;
+
+/* The key sequences output by the arrow keys, if this terminal has any. */
+static char *_rl_term_ku;
+static char *_rl_term_kd;
+static char *_rl_term_kr;
+static char *_rl_term_kl;
+
+/* How to initialize and reset the arrow keys, if this terminal has any. */
+static char *_rl_term_ks;
+static char *_rl_term_ke;
+
+/* The key sequences sent by the Home and End keys, if any. */
+static char *_rl_term_kh;
+static char *_rl_term_kH;
+static char *_rl_term_at7;	/* @7 */
+
+/* Insert key */
+static char *_rl_term_kI;
+
+/* Cursor control */
+static char *_rl_term_vs;	/* very visible */
+static char *_rl_term_ve;	/* normal */
+
+static void bind_termcap_arrow_keys PARAMS((Keymap));
+
+/* Variables that hold the screen dimensions, used by the display code. */
+int _rl_screenwidth, _rl_screenheight, _rl_screenchars;
+
+/* Non-zero means the user wants to enable the keypad. */
+int _rl_enable_keypad;
+
+/* Non-zero means the user wants to enable a meta key. */
+int _rl_enable_meta = 1;
+
+#if defined (__EMX__)
+static void
+_emx_get_screensize (swp, shp)
+     int *swp, *shp;
+{
+  int sz[2];
+
+  _scrsize (sz);
+
+  if (swp)
+    *swp = sz[0];
+  if (shp)
+    *shp = sz[1];
+}
+#endif
+
+/* Get readline's idea of the screen size.  TTY is a file descriptor open
+   to the terminal.  If IGNORE_ENV is true, we do not pay attention to the
+   values of $LINES and $COLUMNS.  The tests for TERM_STRING_BUFFER being
+   non-null serve to check whether or not we have initialized termcap. */
+void
+_rl_get_screen_size (tty, ignore_env)
+     int tty, ignore_env;
+{
+  char *ss;
+#if defined (TIOCGWINSZ)
+  struct winsize window_size;
+#endif /* TIOCGWINSZ */
+
+#if defined (TIOCGWINSZ)
+  if (ioctl (tty, TIOCGWINSZ, &window_size) == 0)
+    {
+      _rl_screenwidth = (int) window_size.ws_col;
+      _rl_screenheight = (int) window_size.ws_row;
+    }
+#endif /* TIOCGWINSZ */
+
+#if defined (__EMX__)
+  _emx_get_screensize (&_rl_screenwidth, &_rl_screenheight);
+#endif
+
+  /* Environment variable COLUMNS overrides setting of "co" if IGNORE_ENV
+     is unset. */
+  if (_rl_screenwidth <= 0)
+    {
+      if (ignore_env == 0 && (ss = sh_get_env_value ("COLUMNS")))
+	_rl_screenwidth = atoi (ss);
+
+#if !defined (__DJGPP__)
+      if (_rl_screenwidth <= 0 && term_string_buffer)
+	_rl_screenwidth = tgetnum ("co");
+#endif
+    }
+
+  /* Environment variable LINES overrides setting of "li" if IGNORE_ENV
+     is unset. */
+  if (_rl_screenheight <= 0)
+    {
+      if (ignore_env == 0 && (ss = sh_get_env_value ("LINES")))
+	_rl_screenheight = atoi (ss);
+
+#if !defined (__DJGPP__)
+      if (_rl_screenheight <= 0 && term_string_buffer)
+	_rl_screenheight = tgetnum ("li");
+#endif
+    }
+
+  /* If all else fails, default to 80x24 terminal. */
+  if (_rl_screenwidth <= 1)
+    _rl_screenwidth = 80;
+
+  if (_rl_screenheight <= 0)
+    _rl_screenheight = 24;
+
+  /* If we're being compiled as part of bash, set the environment
+     variables $LINES and $COLUMNS to new values.  Otherwise, just
+     do a pair of putenv () or setenv () calls. */
+  sh_set_lines_and_columns (_rl_screenheight, _rl_screenwidth);
+
+  if (_rl_term_autowrap == 0)
+    _rl_screenwidth--;
+
+  _rl_screenchars = _rl_screenwidth * _rl_screenheight;
+}
+
+void
+_rl_set_screen_size (rows, cols)
+     int rows, cols;
+{
+  if (rows == 0 || cols == 0)
+    return;
+
+  _rl_screenheight = rows;
+  _rl_screenwidth = cols;
+
+  if (_rl_term_autowrap == 0)
+    _rl_screenwidth--;
+
+  _rl_screenchars = _rl_screenwidth * _rl_screenheight;
+}
+
+void
+rl_set_screen_size (rows, cols)
+     int rows, cols;
+{
+  _rl_set_screen_size (rows, cols);
+}
+
+void
+rl_get_screen_size (rows, cols)
+     int *rows, *cols;
+{
+  if (rows)
+    *rows = _rl_screenheight;
+  if (cols)
+    *cols = _rl_screenwidth;
+}
+     
+void
+rl_resize_terminal ()
+{
+  if (readline_echoing_p)
+    {
+      _rl_get_screen_size (fileno (rl_instream), 1);
+      if (CUSTOM_REDISPLAY_FUNC ())
+	rl_forced_update_display ();
+      else
+	_rl_redisplay_after_sigwinch ();
+    }
+}
+
+struct _tc_string {
+     const char *tc_var;
+     char **tc_value;
+};
+
+/* This should be kept sorted, just in case we decide to change the
+   search algorithm to something smarter. */
+static struct _tc_string tc_strings[] =
+{
+  { "@7", &_rl_term_at7 },
+  { "DC", &_rl_term_DC },
+  { "IC", &_rl_term_IC },
+  { "ce", &_rl_term_clreol },
+  { "cl", &_rl_term_clrpag },
+  { "cr", &_rl_term_cr },
+  { "dc", &_rl_term_dc },
+  { "ei", &_rl_term_ei },
+  { "ic", &_rl_term_ic },
+  { "im", &_rl_term_im },
+  { "kH", &_rl_term_kH },	/* home down ?? */
+  { "kI", &_rl_term_kI },	/* insert */
+  { "kd", &_rl_term_kd },
+  { "ke", &_rl_term_ke },	/* end keypad mode */
+  { "kh", &_rl_term_kh },	/* home */
+  { "kl", &_rl_term_kl },
+  { "kr", &_rl_term_kr },
+  { "ks", &_rl_term_ks },	/* start keypad mode */
+  { "ku", &_rl_term_ku },
+  { "le", &_rl_term_backspace },
+  { "mm", &_rl_term_mm },
+  { "mo", &_rl_term_mo },
+#if defined (HACK_TERMCAP_MOTION)
+  { "nd", &_rl_term_forward_char },
+#endif
+  { "pc", &_rl_term_pc },
+  { "up", &_rl_term_up },
+  { "vb", &_rl_visible_bell },
+  { "vs", &_rl_term_vs },
+  { "ve", &_rl_term_ve },
+};
+
+#define NUM_TC_STRINGS (sizeof (tc_strings) / sizeof (struct _tc_string))
+
+/* Read the desired terminal capability strings into BP.  The capabilities
+   are described in the TC_STRINGS table. */
+static void
+get_term_capabilities (bp)
+     char **bp;
+{
+#if !defined (__DJGPP__)	/* XXX - doesn't DJGPP have a termcap library? */
+  register int i;
+
+  for (i = 0; i < NUM_TC_STRINGS; i++)
+#  ifdef __LCC__
+    *(tc_strings[i].tc_value) = tgetstr ((char *)tc_strings[i].tc_var, bp);
+#  else
+    *(tc_strings[i].tc_value) = tgetstr (tc_strings[i].tc_var, bp);
+#  endif
+#endif
+  tcap_initialized = 1;
+}
+
+int
+_rl_init_terminal_io (terminal_name)
+     const char *terminal_name;
+{
+  const char *term;
+  char *buffer;
+  int tty, tgetent_ret;
+
+  term = terminal_name ? terminal_name : sh_get_env_value ("TERM");
+  _rl_term_clrpag = _rl_term_cr = _rl_term_clreol = (char *)NULL;
+  tty = rl_instream ? fileno (rl_instream) : 0;
+  _rl_screenwidth = _rl_screenheight = 0;
+
+  if (term == 0)
+    term = "dumb";
+
+  /* I've separated this out for later work on not calling tgetent at all
+     if the calling application has supplied a custom redisplay function,
+     (and possibly if the application has supplied a custom input function). */
+  if (CUSTOM_REDISPLAY_FUNC())
+    {
+      tgetent_ret = -1;
+    }
+  else
+    {
+      if (term_string_buffer == 0)
+	term_string_buffer = (char *)xmalloc(2032);
+
+      if (term_buffer == 0)
+	term_buffer = (char *)xmalloc(4080);
+
+      buffer = term_string_buffer;
+
+      tgetent_ret = tgetent (term_buffer, term);
+    }
+
+  if (tgetent_ret <= 0)
+    {
+      FREE (term_string_buffer);
+      FREE (term_buffer);
+      buffer = term_buffer = term_string_buffer = (char *)NULL;
+
+      _rl_term_autowrap = 0;	/* used by _rl_get_screen_size */
+
+#if defined (__EMX__)
+      _emx_get_screensize (&_rl_screenwidth, &_rl_screenheight);
+      _rl_screenwidth--;
+#else /* !__EMX__ */
+      _rl_get_screen_size (tty, 0);
+#endif /* !__EMX__ */
+
+      /* Defaults. */
+      if (_rl_screenwidth <= 0 || _rl_screenheight <= 0)
+        {
+	  _rl_screenwidth = 79;
+	  _rl_screenheight = 24;
+        }
+
+      /* Everything below here is used by the redisplay code (tputs). */
+      _rl_screenchars = _rl_screenwidth * _rl_screenheight;
+      _rl_term_cr = "\r";
+      _rl_term_im = _rl_term_ei = _rl_term_ic = _rl_term_IC = (char *)NULL;
+      _rl_term_up = _rl_term_dc = _rl_term_DC = _rl_visible_bell = (char *)NULL;
+      _rl_term_ku = _rl_term_kd = _rl_term_kl = _rl_term_kr = (char *)NULL;
+      _rl_term_kh = _rl_term_kH = _rl_term_kI = (char *)NULL;
+      _rl_term_ks = _rl_term_ke = _rl_term_at7 = (char *)NULL;
+      _rl_term_mm = _rl_term_mo = (char *)NULL;
+      _rl_term_ve = _rl_term_vs = (char *)NULL;
+#if defined (HACK_TERMCAP_MOTION)
+      term_forward_char = (char *)NULL;
+#endif
+      _rl_terminal_can_insert = term_has_meta = 0;
+
+      /* Reasonable defaults for tgoto().  Readline currently only uses
+         tgoto if _rl_term_IC or _rl_term_DC is defined, but just in case we
+         change that later... */
+      PC = '\0';
+      BC = _rl_term_backspace = "\b";
+      UP = _rl_term_up;
+
+      return 0;
+    }
+
+  get_term_capabilities (&buffer);
+
+  /* Set up the variables that the termcap library expects the application
+     to provide. */
+  PC = _rl_term_pc ? *_rl_term_pc : 0;
+  BC = _rl_term_backspace;
+  UP = _rl_term_up;
+
+  if (!_rl_term_cr)
+    _rl_term_cr = "\r";
+
+  _rl_term_autowrap = tgetflag ("am") && tgetflag ("xn");
+
+  _rl_get_screen_size (tty, 0);
+
+  /* "An application program can assume that the terminal can do
+      character insertion if *any one of* the capabilities `IC',
+      `im', `ic' or `ip' is provided."  But we can't do anything if
+      only `ip' is provided, so... */
+  _rl_terminal_can_insert = (_rl_term_IC || _rl_term_im || _rl_term_ic);
+
+  /* Check to see if this terminal has a meta key and clear the capability
+     variables if there is none. */
+  term_has_meta = (tgetflag ("km") || tgetflag ("MT"));
+  if (!term_has_meta)
+    _rl_term_mm = _rl_term_mo = (char *)NULL;
+
+  /* Attempt to find and bind the arrow keys.  Do not override already
+     bound keys in an overzealous attempt, however. */
+
+  bind_termcap_arrow_keys (emacs_standard_keymap);
+
+#if defined (VI_MODE)
+  bind_termcap_arrow_keys (vi_movement_keymap);
+  bind_termcap_arrow_keys (vi_insertion_keymap);
+#endif /* VI_MODE */
+
+  return 0;
+}
+
+/* Bind the arrow key sequences from the termcap description in MAP. */
+static void
+bind_termcap_arrow_keys (map)
+     Keymap map;
+{
+  Keymap xkeymap;
+
+  xkeymap = _rl_keymap;
+  _rl_keymap = map;
+
+  _rl_bind_if_unbound (_rl_term_ku, rl_get_previous_history);
+  _rl_bind_if_unbound (_rl_term_kd, rl_get_next_history);
+  _rl_bind_if_unbound (_rl_term_kr, rl_forward);
+  _rl_bind_if_unbound (_rl_term_kl, rl_backward);
+
+  _rl_bind_if_unbound (_rl_term_kh, rl_beg_of_line);	/* Home */
+  _rl_bind_if_unbound (_rl_term_at7, rl_end_of_line);	/* End */
+
+  _rl_keymap = xkeymap;
+}
+
+char *
+rl_get_termcap (cap)
+     const char *cap;
+{
+  register int i;
+
+  if (tcap_initialized == 0)
+    return ((char *)NULL);
+  for (i = 0; i < NUM_TC_STRINGS; i++)
+    {
+      if (tc_strings[i].tc_var[0] == cap[0] && strcmp (tc_strings[i].tc_var, cap) == 0)
+        return *(tc_strings[i].tc_value);
+    }
+  return ((char *)NULL);
+}
+
+/* Re-initialize the terminal considering that the TERM/TERMCAP variable
+   has changed. */
+int
+rl_reset_terminal (terminal_name)
+     const char *terminal_name;
+{
+  _rl_init_terminal_io (terminal_name);
+  return 0;
+}
+
+/* A function for the use of tputs () */
+#ifdef _MINIX
+void
+_rl_output_character_function (c)
+     int c;
+{
+  putc (c, _rl_out_stream);
+}
+#else /* !_MINIX */
+int
+_rl_output_character_function (c)
+     int c;
+{
+  return putc (c, _rl_out_stream);
+}
+#endif /* !_MINIX */
+
+/* Write COUNT characters from STRING to the output stream. */
+void
+_rl_output_some_chars (string, count)
+     const char *string;
+     int count;
+{
+  fwrite (string, 1, count, _rl_out_stream);
+}
+
+/* Move the cursor back. */
+int
+_rl_backspace (count)
+     int count;
+{
+  register int i;
+
+  if (_rl_term_backspace)
+    for (i = 0; i < count; i++)
+      tputs (_rl_term_backspace, 1, _rl_output_character_function);
+  else
+    for (i = 0; i < count; i++)
+      putc ('\b', _rl_out_stream);
+  return 0;
+}
+
+/* Move to the start of the next line. */
+int
+rl_crlf ()
+{
+#if defined (NEW_TTY_DRIVER)
+  if (_rl_term_cr)
+    tputs (_rl_term_cr, 1, _rl_output_character_function);
+#endif /* NEW_TTY_DRIVER */
+  putc ('\n', _rl_out_stream);
+  return 0;
+}
+
+/* Ring the terminal bell. */
+int
+rl_ding ()
+{
+  if (readline_echoing_p)
+    {
+      switch (_rl_bell_preference)
+        {
+	case NO_BELL:
+	default:
+	  break;
+	case VISIBLE_BELL:
+	  if (_rl_visible_bell)
+	    {
+	      tputs (_rl_visible_bell, 1, _rl_output_character_function);
+	      break;
+	    }
+	  /* FALLTHROUGH */
+	case AUDIBLE_BELL:
+	  fprintf (stderr, "\007");
+	  fflush (stderr);
+	  break;
+        }
+      return (0);
+    }
+  return (-1);
+}
+
+/* **************************************************************** */
+/*								    */
+/*	 	Controlling the Meta Key and Keypad		    */
+/*								    */
+/* **************************************************************** */
+
+void
+_rl_enable_meta_key ()
+{
+#if !defined (__DJGPP__)
+  if (term_has_meta && _rl_term_mm)
+    tputs (_rl_term_mm, 1, _rl_output_character_function);
+#endif
+}
+
+void
+_rl_control_keypad (on)
+     int on;
+{
+#if !defined (__DJGPP__)
+  if (on && _rl_term_ks)
+    tputs (_rl_term_ks, 1, _rl_output_character_function);
+  else if (!on && _rl_term_ke)
+    tputs (_rl_term_ke, 1, _rl_output_character_function);
+#endif
+}
+
+/* **************************************************************** */
+/*								    */
+/*	 		Controlling the Cursor			    */
+/*								    */
+/* **************************************************************** */
+
+/* Set the cursor appropriately depending on IM, which is one of the
+   insert modes (insert or overwrite).  Insert mode gets the normal
+   cursor.  Overwrite mode gets a very visible cursor.  Only does
+   anything if we have both capabilities. */
+void
+_rl_set_cursor (im, force)
+     int im, force;
+{
+  if (_rl_term_ve && _rl_term_vs)
+    {
+      if (force || im != rl_insert_mode)
+	{
+	  if (im == RL_IM_OVERWRITE)
+	    tputs (_rl_term_vs, 1, _rl_output_character_function);
+	  else
+	    tputs (_rl_term_ve, 1, _rl_output_character_function);
+	}
+    }
+}
diff --git a/readline-4.3.orig/text.c b/readline-4.3.orig/text.c
new file mode 100644
index 0000000..2a7b724
--- /dev/null
+++ b/readline-4.3.orig/text.c
@@ -0,0 +1,1540 @@
+/* text.c -- text handling commands for readline. */
+
+/* Copyright (C) 1987-2002 Free Software Foundation, Inc.
+
+   This file is part of the GNU Readline Library, a library for
+   reading lines of text with interactive input and history editing.
+
+   The GNU Readline Library is free software; you can redistribute it
+   and/or modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2, or
+   (at your option) any later version.
+
+   The GNU Readline Library is distributed in the hope that it will be
+   useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   The GNU General Public License is often shipped with GNU software, and
+   is generally kept in a file called COPYING or LICENSE.  If you do not
+   have a copy of the license, write to the Free Software Foundation,
+   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+#define READLINE_LIBRARY
+
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
+
+#if defined (HAVE_UNISTD_H)
+#  include <unistd.h>
+#endif /* HAVE_UNISTD_H */
+
+#if defined (HAVE_STDLIB_H)
+#  include <stdlib.h>
+#else
+#  include "ansi_stdlib.h"
+#endif /* HAVE_STDLIB_H */
+
+#if defined (HAVE_LOCALE_H)
+#  include <locale.h>
+#endif
+
+#include <stdio.h>
+
+/* System-specific feature definitions and include files. */
+#include "rldefs.h"
+#include "rlmbutil.h"
+
+#if defined (__EMX__)
+#  define INCL_DOSPROCESS
+#  include <os2.h>
+#endif /* __EMX__ */
+
+/* Some standard library routines. */
+#include "readline.h"
+#include "history.h"
+
+#include "rlprivate.h"
+#include "rlshell.h"
+#include "xmalloc.h"
+
+/* Forward declarations. */
+static int rl_change_case PARAMS((int, int));
+static int _rl_char_search PARAMS((int, int, int));
+
+/* **************************************************************** */
+/*								    */
+/*			Insert and Delete			    */
+/*								    */
+/* **************************************************************** */
+
+/* Insert a string of text into the line at point.  This is the only
+   way that you should do insertion.  _rl_insert_char () calls this
+   function.  Returns the number of characters inserted. */
+int
+rl_insert_text (string)
+     const char *string;
+{
+  register int i, l;
+
+  l = (string && *string) ? strlen (string) : 0;
+  if (l == 0)
+    return 0;
+
+  if (rl_end + l >= rl_line_buffer_len)
+    rl_extend_line_buffer (rl_end + l);
+
+  for (i = rl_end; i >= rl_point; i--)
+    rl_line_buffer[i + l] = rl_line_buffer[i];
+  strncpy (rl_line_buffer + rl_point, string, l);
+
+  /* Remember how to undo this if we aren't undoing something. */
+  if (_rl_doing_an_undo == 0)
+    {
+      /* If possible and desirable, concatenate the undos. */
+      if ((l == 1) &&
+	  rl_undo_list &&
+	  (rl_undo_list->what == UNDO_INSERT) &&
+	  (rl_undo_list->end == rl_point) &&
+	  (rl_undo_list->end - rl_undo_list->start < 20))
+	rl_undo_list->end++;
+      else
+	rl_add_undo (UNDO_INSERT, rl_point, rl_point + l, (char *)NULL);
+    }
+  rl_point += l;
+  rl_end += l;
+  rl_line_buffer[rl_end] = '\0';
+  return l;
+}
+
+/* Delete the string between FROM and TO.  FROM is inclusive, TO is not.
+   Returns the number of characters deleted. */
+int
+rl_delete_text (from, to)
+     int from, to;
+{
+  register char *text;
+  register int diff, i;
+
+  /* Fix it if the caller is confused. */
+  if (from > to)
+    SWAP (from, to);
+
+  /* fix boundaries */
+  if (to > rl_end)
+    {
+      to = rl_end;
+      if (from > to)
+	from = to;
+    }
+  if (from < 0)
+    from = 0;
+
+  text = rl_copy_text (from, to);
+
+  /* Some versions of strncpy() can't handle overlapping arguments. */
+  diff = to - from;
+  for (i = from; i < rl_end - diff; i++)
+    rl_line_buffer[i] = rl_line_buffer[i + diff];
+
+  /* Remember how to undo this delete. */
+  if (_rl_doing_an_undo == 0)
+    rl_add_undo (UNDO_DELETE, from, to, text);
+  else
+    free (text);
+
+  rl_end -= diff;
+  rl_line_buffer[rl_end] = '\0';
+  return (diff);
+}
+
+/* Fix up point so that it is within the line boundaries after killing
+   text.  If FIX_MARK_TOO is non-zero, the mark is forced within line
+   boundaries also. */
+
+#define _RL_FIX_POINT(x) \
+	do { \
+	if (x > rl_end) \
+	  x = rl_end; \
+	else if (x < 0) \
+	  x = 0; \
+	} while (0)
+
+void
+_rl_fix_point (fix_mark_too)
+     int fix_mark_too;
+{
+  _RL_FIX_POINT (rl_point);
+  if (fix_mark_too)
+    _RL_FIX_POINT (rl_mark);
+}
+#undef _RL_FIX_POINT
+
+int
+_rl_replace_text (text, start, end)
+     const char *text;
+     int start, end;
+{
+  int n;
+
+  rl_begin_undo_group ();
+  rl_delete_text (start, end + 1);
+  rl_point = start;
+  n = rl_insert_text (text);
+  rl_end_undo_group ();
+
+  return n;
+}
+
+/* Replace the current line buffer contents with TEXT.  If CLEAR_UNDO is
+   non-zero, we free the current undo list. */
+void
+rl_replace_line (text, clear_undo)
+     const char *text;
+     int clear_undo;
+{
+  int len;
+
+  len = strlen (text);
+  if (len >= rl_line_buffer_len)
+    rl_extend_line_buffer (len);
+  strcpy (rl_line_buffer, text);
+  rl_end = len;
+
+  if (clear_undo)
+    rl_free_undo_list ();
+
+  _rl_fix_point (1);
+}
+
+/* **************************************************************** */
+/*								    */
+/*			Readline character functions		    */
+/*								    */
+/* **************************************************************** */
+
+/* This is not a gap editor, just a stupid line input routine.  No hair
+   is involved in writing any of the functions, and none should be. */
+
+/* Note that:
+
+   rl_end is the place in the string that we would place '\0';
+   i.e., it is always safe to place '\0' there.
+
+   rl_point is the place in the string where the cursor is.  Sometimes
+   this is the same as rl_end.
+
+   Any command that is called interactively receives two arguments.
+   The first is a count: the numeric arg pased to this command.
+   The second is the key which invoked this command.
+*/
+
+/* **************************************************************** */
+/*								    */
+/*			Movement Commands			    */
+/*								    */
+/* **************************************************************** */
+
+/* Note that if you `optimize' the display for these functions, you cannot
+   use said functions in other functions which do not do optimizing display.
+   I.e., you will have to update the data base for rl_redisplay, and you
+   might as well let rl_redisplay do that job. */
+
+/* Move forward COUNT bytes. */
+int
+rl_forward_byte (count, key)
+     int count, key;
+{
+  if (count < 0)
+    return (rl_backward_byte (-count, key));
+
+  if (count > 0)
+    {
+      int end = rl_point + count;
+#if defined (VI_MODE)
+      int lend = rl_end > 0 ? rl_end - (rl_editing_mode == vi_mode) : rl_end;
+#else
+      int lend = rl_end;
+#endif
+
+      if (end > lend)
+	{
+	  rl_point = lend;
+	  rl_ding ();
+	}
+      else
+	rl_point = end;
+    }
+
+  if (rl_end < 0)
+    rl_end = 0;
+
+  return 0;
+}
+
+#if defined (HANDLE_MULTIBYTE)
+/* Move forward COUNT characters. */
+int
+rl_forward_char (count, key)
+     int count, key;
+{
+  int point;
+
+  if (MB_CUR_MAX == 1 || rl_byte_oriented)
+    return (rl_forward_byte (count, key));
+
+  if (count < 0)
+    return (rl_backward_char (-count, key));
+
+  if (count > 0)
+    {
+      point = _rl_find_next_mbchar (rl_line_buffer, rl_point, count, MB_FIND_NONZERO);
+
+#if defined (VI_MODE)
+      if (rl_end <= point && rl_editing_mode == vi_mode)
+	point = _rl_find_prev_mbchar (rl_line_buffer, rl_end, MB_FIND_NONZERO);
+#endif
+
+      if (rl_point == point)
+	rl_ding ();
+
+      rl_point = point;
+
+      if (rl_end < 0)
+	rl_end = 0;
+    }
+
+  return 0;
+}
+#else /* !HANDLE_MULTIBYTE */
+int
+rl_forward_char (count, key)
+     int count, key;
+{
+  return (rl_forward_byte (count, key));
+}
+#endif /* !HANDLE_MULTIBYTE */
+  
+/* Backwards compatibility. */
+int
+rl_forward (count, key)
+     int count, key;
+{
+  return (rl_forward_char (count, key));
+}
+
+/* Move backward COUNT bytes. */
+int
+rl_backward_byte (count, key)
+     int count, key;
+{
+  if (count < 0)
+    return (rl_forward_byte (-count, key));
+
+  if (count > 0)
+    {
+      if (rl_point < count)
+	{
+	  rl_point = 0;
+	  rl_ding ();
+	}
+      else
+	rl_point -= count;
+    }
+
+  if (rl_point < 0)
+    rl_point = 0;
+
+  return 0;
+}
+
+#if defined (HANDLE_MULTIBYTE)
+/* Move backward COUNT characters. */
+int
+rl_backward_char (count, key)
+     int count, key;
+{
+  int point;
+
+  if (MB_CUR_MAX == 1 || rl_byte_oriented)
+    return (rl_backward_byte (count, key));
+
+  if (count < 0)
+    return (rl_forward_char (-count, key));
+
+  if (count > 0)
+    {
+      point = rl_point;
+
+      while (count > 0 && point > 0)
+	{
+	  point = _rl_find_prev_mbchar (rl_line_buffer, point, MB_FIND_NONZERO);
+	  count--;
+	}
+      if (count > 0)
+	{
+	  rl_point = 0;
+	  rl_ding ();
+	}
+      else
+        rl_point = point;
+    }
+
+  return 0;
+}
+#else
+int
+rl_backward_char (count, key)
+     int count, key;
+{
+  return (rl_backward_byte (count, key));
+}
+#endif
+
+/* Backwards compatibility. */
+int
+rl_backward (count, key)
+     int count, key;
+{
+  return (rl_backward_char (count, key));
+}
+
+/* Move to the beginning of the line. */
+int
+rl_beg_of_line (count, key)
+     int count, key;
+{
+  rl_point = 0;
+  return 0;
+}
+
+/* Move to the end of the line. */
+int
+rl_end_of_line (count, key)
+     int count, key;
+{
+  rl_point = rl_end;
+  return 0;
+}
+
+/* XXX - these might need changes for multibyte characters */
+/* Move forward a word.  We do what Emacs does. */
+int
+rl_forward_word (count, key)
+     int count, key;
+{
+  int c;
+
+  if (count < 0)
+    return (rl_backward_word (-count, key));
+
+  while (count)
+    {
+      if (rl_point == rl_end)
+	return 0;
+
+      /* If we are not in a word, move forward until we are in one.
+	 Then, move forward until we hit a non-alphabetic character. */
+      c = rl_line_buffer[rl_point];
+      if (rl_alphabetic (c) == 0)
+	{
+	  while (++rl_point < rl_end)
+	    {
+	      c = rl_line_buffer[rl_point];
+	      if (rl_alphabetic (c))
+		break;
+	    }
+	}
+
+      if (rl_point == rl_end)
+	return 0;
+
+      while (++rl_point < rl_end)
+	{
+	  c = rl_line_buffer[rl_point];
+	  if (rl_alphabetic (c) == 0)
+	    break;
+	}
+      --count;
+    }
+
+  return 0;
+}
+
+/* Move backward a word.  We do what Emacs does. */
+int
+rl_backward_word (count, key)
+     int count, key;
+{
+  int c;
+
+  if (count < 0)
+    return (rl_forward_word (-count, key));
+
+  while (count)
+    {
+      if (!rl_point)
+	return 0;
+
+      /* Like rl_forward_word (), except that we look at the characters
+	 just before point. */
+
+      c = rl_line_buffer[rl_point - 1];
+      if (rl_alphabetic (c) == 0)
+	{
+	  while (--rl_point)
+	    {
+	      c = rl_line_buffer[rl_point - 1];
+	      if (rl_alphabetic (c))
+		break;
+	    }
+	}
+
+      while (rl_point)
+	{
+	  c = rl_line_buffer[rl_point - 1];
+	  if (rl_alphabetic (c) == 0)
+	    break;
+	  else
+	    --rl_point;
+	}
+
+      --count;
+    }
+
+  return 0;
+}
+
+/* Clear the current line.  Numeric argument to C-l does this. */
+int
+rl_refresh_line (ignore1, ignore2)
+     int ignore1, ignore2;
+{
+  int curr_line;
+
+  curr_line = _rl_current_display_line ();
+
+  _rl_move_vert (curr_line);
+  _rl_move_cursor_relative (0, rl_line_buffer);   /* XXX is this right */
+
+  _rl_clear_to_eol (0);		/* arg of 0 means to not use spaces */
+
+  rl_forced_update_display ();
+  rl_display_fixed = 1;
+
+  return 0;
+}
+
+/* C-l typed to a line without quoting clears the screen, and then reprints
+   the prompt and the current input line.  Given a numeric arg, redraw only
+   the current line. */
+int
+rl_clear_screen (count, key)
+     int count, key;
+{
+  if (rl_explicit_arg)
+    {
+      rl_refresh_line (count, key);
+      return 0;
+    }
+
+  _rl_clear_screen ();		/* calls termcap function to clear screen */
+  rl_forced_update_display ();
+  rl_display_fixed = 1;
+
+  return 0;
+}
+
+int
+rl_arrow_keys (count, c)
+     int count, c;
+{
+  int ch;
+
+  RL_SETSTATE(RL_STATE_MOREINPUT);
+  ch = rl_read_key ();
+  RL_UNSETSTATE(RL_STATE_MOREINPUT);
+
+  switch (_rl_to_upper (ch))
+    {
+    case 'A':
+      rl_get_previous_history (count, ch);
+      break;
+
+    case 'B':
+      rl_get_next_history (count, ch);
+      break;
+
+    case 'C':
+      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	rl_forward_char (count, ch);
+      else
+	rl_forward_byte (count, ch);
+      break;
+
+    case 'D':
+      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	rl_backward_char (count, ch);
+      else
+	rl_backward_byte (count, ch);
+      break;
+
+    default:
+      rl_ding ();
+    }
+
+  return 0;
+}
+
+/* **************************************************************** */
+/*								    */
+/*			Text commands				    */
+/*								    */
+/* **************************************************************** */
+
+#ifdef HANDLE_MULTIBYTE
+static char pending_bytes[MB_LEN_MAX];
+static int pending_bytes_length = 0;
+static mbstate_t ps = {0};
+#endif
+
+/* Insert the character C at the current location, moving point forward.
+   If C introduces a multibyte sequence, we read the whole sequence and
+   then insert the multibyte char into the line buffer. */
+int
+_rl_insert_char (count, c)
+     int count, c;
+{
+  register int i;
+  char *string;
+#ifdef HANDLE_MULTIBYTE
+  int string_size;
+  char incoming[MB_LEN_MAX + 1];
+  int incoming_length = 0;
+  mbstate_t ps_back;
+  static int stored_count = 0;
+#endif
+
+  if (count <= 0)
+    return 0;
+
+#if defined (HANDLE_MULTIBYTE)
+  if (MB_CUR_MAX == 1 || rl_byte_oriented)
+    {
+      incoming[0] = c;
+      incoming[1] = '\0';
+      incoming_length = 1;
+    }
+  else
+    {
+      wchar_t wc;
+      size_t ret;
+
+      if (stored_count <= 0)
+	stored_count = count;
+      else
+	count = stored_count;
+
+      ps_back = ps;
+      pending_bytes[pending_bytes_length++] = c;
+      ret = mbrtowc (&wc, pending_bytes, pending_bytes_length, &ps);
+
+      if (ret == (size_t)-2)
+	{
+	  /* Bytes too short to compose character, try to wait for next byte.
+	     Restore the state of the byte sequence, because in this case the
+	     effect of mbstate is undefined. */
+	  ps = ps_back;
+	  return 1;
+	}
+      else if (ret == (size_t)-1)
+	{
+	  /* Invalid byte sequence for the current locale.  Treat first byte
+	     as a single character. */
+	  incoming[0] = pending_bytes[0];
+	  incoming[1] = '\0';
+	  incoming_length = 1;
+	  pending_bytes_length--;
+	  memmove (pending_bytes, pending_bytes + 1, pending_bytes_length);
+	  /* Clear the state of the byte sequence, because in this case the
+	     effect of mbstate is undefined. */
+	  memset (&ps, 0, sizeof (mbstate_t));
+	}
+      else if (ret == (size_t)0)
+	{
+	  incoming[0] = '\0';
+	  incoming_length = 0;
+	  pending_bytes_length--;
+	  /* Clear the state of the byte sequence, because in this case the
+	     effect of mbstate is undefined. */
+	  memset (&ps, 0, sizeof (mbstate_t));
+	}
+      else
+	{
+	  /* We successfully read a single multibyte character. */
+	  memcpy (incoming, pending_bytes, pending_bytes_length);
+	  incoming[pending_bytes_length] = '\0';
+	  incoming_length = pending_bytes_length;
+	  pending_bytes_length = 0;
+	}
+    }
+#endif /* HANDLE_MULTIBYTE */
+	  
+  /* If we can optimize, then do it.  But don't let people crash
+     readline because of extra large arguments. */
+  if (count > 1 && count <= 1024)
+    {
+#if defined (HANDLE_MULTIBYTE)
+      string_size = count * incoming_length;
+      string = (char *)xmalloc (1 + string_size);
+
+      i = 0;
+      while (i < string_size)
+	{
+	  strncpy (string + i, incoming, incoming_length);
+	  i += incoming_length;
+	}
+      incoming_length = 0;
+      stored_count = 0;
+#else /* !HANDLE_MULTIBYTE */
+      string = (char *)xmalloc (1 + count);
+
+      for (i = 0; i < count; i++)
+	string[i] = c;
+#endif /* !HANDLE_MULTIBYTE */
+
+      string[i] = '\0';
+      rl_insert_text (string);
+      free (string);
+
+      return 0;
+    }
+
+  if (count > 1024)
+    {
+      int decreaser;
+#if defined (HANDLE_MULTIBYTE)
+      string_size = incoming_length * 1024;
+      string = (char *)xmalloc (1 + string_size);
+
+      i = 0;
+      while (i < string_size)
+	{
+	  strncpy (string + i, incoming, incoming_length);
+	  i += incoming_length;
+	}
+
+      while (count)
+	{
+	  decreaser = (count > 1024) ? 1024 : count;
+	  string[decreaser*incoming_length] = '\0';
+	  rl_insert_text (string);
+	  count -= decreaser;
+	}
+
+      free (string);
+      incoming_length = 0;
+      stored_count = 0;
+#else /* !HANDLE_MULTIBYTE */
+      char str[1024+1];
+
+      for (i = 0; i < 1024; i++)
+	str[i] = c;
+
+      while (count)
+	{
+	  decreaser = (count > 1024 ? 1024 : count);
+	  str[decreaser] = '\0';
+	  rl_insert_text (str);
+	  count -= decreaser;
+	}
+#endif /* !HANDLE_MULTIBYTE */
+
+      return 0;
+    }
+
+#if defined (HANDLE_MULTIBYTE)
+  if (MB_CUR_MAX == 1 || rl_byte_oriented)
+    {
+#endif
+      /* We are inserting a single character.
+	 If there is pending input, then make a string of all of the
+	 pending characters that are bound to rl_insert, and insert
+	 them all. */
+      if (_rl_any_typein ())
+	_rl_insert_typein (c);
+      else
+	{
+	  /* Inserting a single character. */
+	  char str[2];
+
+	  str[1] = '\0';
+	  str[0] = c;
+	  rl_insert_text (str);
+	}
+#if defined (HANDLE_MULTIBYTE)
+    }
+  else
+    {
+      rl_insert_text (incoming);
+      stored_count = 0;
+    }
+#endif
+
+  return 0;
+}
+
+/* Overwrite the character at point (or next COUNT characters) with C.
+   If C introduces a multibyte character sequence, read the entire sequence
+   before starting the overwrite loop. */
+int
+_rl_overwrite_char (count, c)
+     int count, c;
+{
+  int i;
+#if defined (HANDLE_MULTIBYTE)
+  char mbkey[MB_LEN_MAX];
+  int k;
+
+  /* Read an entire multibyte character sequence to insert COUNT times. */
+  if (count > 0 && MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+    k = _rl_read_mbstring (c, mbkey, MB_LEN_MAX);
+#endif
+
+  for (i = 0; i < count; i++)
+    {
+      rl_begin_undo_group ();
+
+      if (rl_point < rl_end)
+	rl_delete (1, c);
+
+#if defined (HANDLE_MULTIBYTE)
+      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	rl_insert_text (mbkey);
+      else
+#endif
+	_rl_insert_char (1, c);
+
+      rl_end_undo_group ();
+    }
+
+  return 0;
+}
+
+int
+rl_insert (count, c)
+     int count, c;
+{
+  return (rl_insert_mode == RL_IM_INSERT ? _rl_insert_char (count, c)
+  					 : _rl_overwrite_char (count, c));
+}
+
+/* Insert the next typed character verbatim. */
+int
+rl_quoted_insert (count, key)
+     int count, key;
+{
+  int c;
+
+#if defined (HANDLE_SIGNALS)
+  _rl_disable_tty_signals ();
+#endif
+
+  RL_SETSTATE(RL_STATE_MOREINPUT);
+  c = rl_read_key ();
+  RL_UNSETSTATE(RL_STATE_MOREINPUT);
+
+#if defined (HANDLE_SIGNALS)
+  _rl_restore_tty_signals ();
+#endif
+
+  return (_rl_insert_char (count, c));  
+}
+
+/* Insert a tab character. */
+int
+rl_tab_insert (count, key)
+     int count, key;
+{
+  return (_rl_insert_char (count, '\t'));
+}
+
+/* What to do when a NEWLINE is pressed.  We accept the whole line.
+   KEY is the key that invoked this command.  I guess it could have
+   meaning in the future. */
+int
+rl_newline (count, key)
+     int count, key;
+{
+  rl_done = 1;
+
+  if (_rl_history_preserve_point)
+    _rl_history_saved_point = (rl_point == rl_end) ? -1 : rl_point;
+
+  RL_SETSTATE(RL_STATE_DONE);
+
+#if defined (VI_MODE)
+  if (rl_editing_mode == vi_mode)
+    {
+      _rl_vi_done_inserting ();
+      _rl_vi_reset_last ();
+    }
+#endif /* VI_MODE */
+
+  /* If we've been asked to erase empty lines, suppress the final update,
+     since _rl_update_final calls rl_crlf(). */
+  if (rl_erase_empty_line && rl_point == 0 && rl_end == 0)
+    return 0;
+
+  if (readline_echoing_p)
+    _rl_update_final ();
+  return 0;
+}
+
+/* What to do for some uppercase characters, like meta characters,
+   and some characters appearing in emacs_ctlx_keymap.  This function
+   is just a stub, you bind keys to it and the code in _rl_dispatch ()
+   is special cased. */
+int
+rl_do_lowercase_version (ignore1, ignore2)
+     int ignore1, ignore2;
+{
+  return 0;
+}
+
+/* This is different from what vi does, so the code's not shared.  Emacs
+   rubout in overwrite mode has one oddity:  it replaces a control
+   character that's displayed as two characters (^X) with two spaces. */
+int
+_rl_overwrite_rubout (count, key)
+     int count, key;
+{
+  int opoint;
+  int i, l;
+
+  if (rl_point == 0)
+    {
+      rl_ding ();
+      return 1;
+    }
+
+  opoint = rl_point;
+
+  /* L == number of spaces to insert */
+  for (i = l = 0; i < count; i++)
+    {
+      rl_backward_char (1, key);
+      l += rl_character_len (rl_line_buffer[rl_point], rl_point);	/* not exactly right */
+    }
+
+  rl_begin_undo_group ();
+
+  if (count > 1 || rl_explicit_arg)
+    rl_kill_text (opoint, rl_point);
+  else
+    rl_delete_text (opoint, rl_point);
+
+  /* Emacs puts point at the beginning of the sequence of spaces. */
+  opoint = rl_point;
+  _rl_insert_char (l, ' ');
+  rl_point = opoint;
+
+  rl_end_undo_group ();
+
+  return 0;
+}
+  
+/* Rubout the character behind point. */
+int
+rl_rubout (count, key)
+     int count, key;
+{
+  if (count < 0)
+    return (rl_delete (-count, key));
+
+  if (!rl_point)
+    {
+      rl_ding ();
+      return -1;
+    }
+
+  if (rl_insert_mode == RL_IM_OVERWRITE)
+    return (_rl_overwrite_rubout (count, key));
+
+  return (_rl_rubout_char (count, key));
+}
+
+int
+_rl_rubout_char (count, key)
+     int count, key;
+{
+  int orig_point;
+  unsigned char c;
+
+  /* Duplicated code because this is called from other parts of the library. */
+  if (count < 0)
+    return (rl_delete (-count, key));
+
+  if (rl_point == 0)
+    {
+      rl_ding ();
+      return -1;
+    }
+
+  if (count > 1 || rl_explicit_arg)
+    {
+      orig_point = rl_point;
+#if defined (HANDLE_MULTIBYTE)
+      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	rl_backward_char (count, key);
+      else
+#endif
+        rl_backward_byte (count, key);
+      rl_kill_text (orig_point, rl_point);
+    }
+  else
+    {
+#if defined (HANDLE_MULTIBYTE)
+      if (MB_CUR_MAX == 1 || rl_byte_oriented)
+	{
+#endif
+	  c = rl_line_buffer[--rl_point];
+	  rl_delete_text (rl_point, rl_point + 1);
+#if defined (HANDLE_MULTIBYTE)
+	}
+      else
+	{
+	  int orig_point;
+
+	  orig_point = rl_point;
+	  rl_point = _rl_find_prev_mbchar (rl_line_buffer, rl_point, MB_FIND_NONZERO);
+	  c = rl_line_buffer[rl_point];
+	  rl_delete_text (rl_point, orig_point);
+	}
+#endif /* HANDLE_MULTIBYTE */
+
+      /* I don't think that the hack for end of line is needed for
+	 multibyte chars. */
+#if defined (HANDLE_MULTIBYTE)
+      if (MB_CUR_MAX == 1 || rl_byte_oriented)
+#endif
+      if (rl_point == rl_end && ISPRINT (c) && _rl_last_c_pos)
+	{
+	  int l;
+	  l = rl_character_len (c, rl_point);
+	  _rl_erase_at_end_of_line (l);
+	}
+    }
+
+  return 0;
+}
+
+/* Delete the character under the cursor.  Given a numeric argument,
+   kill that many characters instead. */
+int
+rl_delete (count, key)
+     int count, key;
+{
+  int r;
+
+  if (count < 0)
+    return (_rl_rubout_char (-count, key));
+
+  if (rl_point == rl_end)
+    {
+      rl_ding ();
+      return -1;
+    }
+
+  if (count > 1 || rl_explicit_arg)
+    {
+      int orig_point = rl_point;
+#if defined (HANDLE_MULTIBYTE)
+      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	rl_forward_char (count, key);
+      else
+#endif
+	rl_forward_byte (count, key);
+
+      r = rl_kill_text (orig_point, rl_point);
+      rl_point = orig_point;
+      return r;
+    }
+  else
+    {
+      int new_point;
+      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	new_point = _rl_find_next_mbchar (rl_line_buffer, rl_point, 1, MB_FIND_NONZERO);
+      else
+	new_point = rl_point + 1;
+	
+      return (rl_delete_text (rl_point, new_point));
+    }
+}
+
+/* Delete the character under the cursor, unless the insertion
+   point is at the end of the line, in which case the character
+   behind the cursor is deleted.  COUNT is obeyed and may be used
+   to delete forward or backward that many characters. */      
+int
+rl_rubout_or_delete (count, key)
+     int count, key;
+{
+  if (rl_end != 0 && rl_point == rl_end)
+    return (_rl_rubout_char (count, key));
+  else
+    return (rl_delete (count, key));
+}  
+
+/* Delete all spaces and tabs around point. */
+int
+rl_delete_horizontal_space (count, ignore)
+     int count, ignore;
+{
+  int start = rl_point;
+
+  while (rl_point && whitespace (rl_line_buffer[rl_point - 1]))
+    rl_point--;
+
+  start = rl_point;
+
+  while (rl_point < rl_end && whitespace (rl_line_buffer[rl_point]))
+    rl_point++;
+
+  if (start != rl_point)
+    {
+      rl_delete_text (start, rl_point);
+      rl_point = start;
+    }
+  return 0;
+}
+
+/* Like the tcsh editing function delete-char-or-list.  The eof character
+   is caught before this is invoked, so this really does the same thing as
+   delete-char-or-list-or-eof, as long as it's bound to the eof character. */
+int
+rl_delete_or_show_completions (count, key)
+     int count, key;
+{
+  if (rl_end != 0 && rl_point == rl_end)
+    return (rl_possible_completions (count, key));
+  else
+    return (rl_delete (count, key));
+}
+
+#ifndef RL_COMMENT_BEGIN_DEFAULT
+#define RL_COMMENT_BEGIN_DEFAULT "#"
+#endif
+
+/* Turn the current line into a comment in shell history.
+   A K*rn shell style function. */
+int
+rl_insert_comment (count, key)
+     int count, key;
+{
+  char *rl_comment_text;
+  int rl_comment_len;
+
+  rl_beg_of_line (1, key);
+  rl_comment_text = _rl_comment_begin ? _rl_comment_begin : RL_COMMENT_BEGIN_DEFAULT;
+
+  if (rl_explicit_arg == 0)
+    rl_insert_text (rl_comment_text);
+  else
+    {
+      rl_comment_len = strlen (rl_comment_text);
+      if (STREQN (rl_comment_text, rl_line_buffer, rl_comment_len))
+	rl_delete_text (rl_point, rl_point + rl_comment_len);
+      else
+	rl_insert_text (rl_comment_text);
+    }
+
+  (*rl_redisplay_function) ();
+  rl_newline (1, '\n');
+
+  return (0);
+}
+
+/* **************************************************************** */
+/*								    */
+/*			Changing Case				    */
+/*								    */
+/* **************************************************************** */
+
+/* The three kinds of things that we know how to do. */
+#define UpCase 1
+#define DownCase 2
+#define CapCase 3
+
+/* Uppercase the word at point. */
+int
+rl_upcase_word (count, key)
+     int count, key;
+{
+  return (rl_change_case (count, UpCase));
+}
+
+/* Lowercase the word at point. */
+int
+rl_downcase_word (count, key)
+     int count, key;
+{
+  return (rl_change_case (count, DownCase));
+}
+
+/* Upcase the first letter, downcase the rest. */
+int
+rl_capitalize_word (count, key)
+     int count, key;
+{
+ return (rl_change_case (count, CapCase));
+}
+
+/* The meaty function.
+   Change the case of COUNT words, performing OP on them.
+   OP is one of UpCase, DownCase, or CapCase.
+   If a negative argument is given, leave point where it started,
+   otherwise, leave it where it moves to. */
+static int
+rl_change_case (count, op)
+     int count, op;
+{
+  register int start, end;
+  int inword, c;
+
+  start = rl_point;
+  rl_forward_word (count, 0);
+  end = rl_point;
+
+  if (count < 0)
+    SWAP (start, end);
+
+  /* We are going to modify some text, so let's prepare to undo it. */
+  rl_modifying (start, end);
+
+  for (inword = 0; start < end; start++)
+    {
+      c = rl_line_buffer[start];
+      switch (op)
+	{
+	case UpCase:
+	  rl_line_buffer[start] = _rl_to_upper (c);
+	  break;
+
+	case DownCase:
+	  rl_line_buffer[start] = _rl_to_lower (c);
+	  break;
+
+	case CapCase:
+	  rl_line_buffer[start] = (inword == 0) ? _rl_to_upper (c) : _rl_to_lower (c);
+	  inword = rl_alphabetic (rl_line_buffer[start]);
+	  break;
+
+	default:
+	  rl_ding ();
+	  return -1;
+	}
+    }
+  rl_point = end;
+  return 0;
+}
+
+/* **************************************************************** */
+/*								    */
+/*			Transposition				    */
+/*								    */
+/* **************************************************************** */
+
+/* Transpose the words at point.  If point is at the end of the line,
+   transpose the two words before point. */
+int
+rl_transpose_words (count, key)
+     int count, key;
+{
+  char *word1, *word2;
+  int w1_beg, w1_end, w2_beg, w2_end;
+  int orig_point = rl_point;
+
+  if (!count)
+    return 0;
+
+  /* Find the two words. */
+  rl_forward_word (count, key);
+  w2_end = rl_point;
+  rl_backward_word (1, key);
+  w2_beg = rl_point;
+  rl_backward_word (count, key);
+  w1_beg = rl_point;
+  rl_forward_word (1, key);
+  w1_end = rl_point;
+
+  /* Do some check to make sure that there really are two words. */
+  if ((w1_beg == w2_beg) || (w2_beg < w1_end))
+    {
+      rl_ding ();
+      rl_point = orig_point;
+      return -1;
+    }
+
+  /* Get the text of the words. */
+  word1 = rl_copy_text (w1_beg, w1_end);
+  word2 = rl_copy_text (w2_beg, w2_end);
+
+  /* We are about to do many insertions and deletions.  Remember them
+     as one operation. */
+  rl_begin_undo_group ();
+
+  /* Do the stuff at word2 first, so that we don't have to worry
+     about word1 moving. */
+  rl_point = w2_beg;
+  rl_delete_text (w2_beg, w2_end);
+  rl_insert_text (word1);
+
+  rl_point = w1_beg;
+  rl_delete_text (w1_beg, w1_end);
+  rl_insert_text (word2);
+
+  /* This is exactly correct since the text before this point has not
+     changed in length. */
+  rl_point = w2_end;
+
+  /* I think that does it. */
+  rl_end_undo_group ();
+  free (word1);
+  free (word2);
+
+  return 0;
+}
+
+/* Transpose the characters at point.  If point is at the end of the line,
+   then transpose the characters before point. */
+int
+rl_transpose_chars (count, key)
+     int count, key;
+{
+#if defined (HANDLE_MULTIBYTE)
+  char *dummy;
+  int i, prev_point;
+#else
+  char dummy[2];
+#endif
+  int char_length;
+
+  if (count == 0)
+    return 0;
+
+  if (!rl_point || rl_end < 2)
+    {
+      rl_ding ();
+      return -1;
+    }
+
+  rl_begin_undo_group ();
+
+  if (rl_point == rl_end)
+    {
+      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	rl_point = _rl_find_prev_mbchar (rl_line_buffer, rl_point, MB_FIND_NONZERO);
+      else
+	--rl_point;
+      count = 1;
+    }
+
+#if defined (HANDLE_MULTIBYTE)
+  prev_point = rl_point;
+  if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+    rl_point = _rl_find_prev_mbchar (rl_line_buffer, rl_point, MB_FIND_NONZERO);
+  else
+#endif
+    rl_point--;
+
+#if defined (HANDLE_MULTIBYTE)
+  char_length = prev_point - rl_point;
+  dummy = (char *)xmalloc (char_length + 1);
+  for (i = 0; i < char_length; i++)
+    dummy[i] = rl_line_buffer[rl_point + i];
+  dummy[i] = '\0';
+#else
+  dummy[0] = rl_line_buffer[rl_point];
+  dummy[char_length = 1] = '\0';
+#endif
+
+  rl_delete_text (rl_point, rl_point + char_length);
+
+  rl_point = _rl_find_next_mbchar (rl_line_buffer, rl_point, count, MB_FIND_NONZERO);
+
+  _rl_fix_point (0);
+  rl_insert_text (dummy);
+  rl_end_undo_group ();
+
+#if defined (HANDLE_MULTIBYTE)
+  free (dummy);
+#endif
+
+  return 0;
+}
+
+/* **************************************************************** */
+/*								    */
+/*			Character Searching			    */
+/*								    */
+/* **************************************************************** */
+
+int
+#if defined (HANDLE_MULTIBYTE)
+_rl_char_search_internal (count, dir, smbchar, len)
+     int count, dir;
+     char *smbchar;
+     int len;
+#else
+_rl_char_search_internal (count, dir, schar)
+     int count, dir, schar;
+#endif
+{
+  int pos, inc;
+#if defined (HANDLE_MULTIBYTE)
+  int prepos;
+#endif
+
+  pos = rl_point;
+  inc = (dir < 0) ? -1 : 1;
+  while (count)
+    {
+      if ((dir < 0 && pos <= 0) || (dir > 0 && pos >= rl_end))
+	{
+	  rl_ding ();
+	  return -1;
+	}
+
+#if defined (HANDLE_MULTIBYTE)
+      pos = (inc > 0) ? _rl_find_next_mbchar (rl_line_buffer, pos, 1, MB_FIND_ANY)
+		      : _rl_find_prev_mbchar (rl_line_buffer, pos, MB_FIND_ANY);
+#else
+      pos += inc;
+#endif
+      do
+	{
+#if defined (HANDLE_MULTIBYTE)
+	  if (_rl_is_mbchar_matched (rl_line_buffer, pos, rl_end, smbchar, len))
+#else
+	  if (rl_line_buffer[pos] == schar)
+#endif
+	    {
+	      count--;
+	      if (dir < 0)
+	        rl_point = (dir == BTO) ? _rl_find_next_mbchar (rl_line_buffer, pos, 1, MB_FIND_ANY)
+					: pos;
+	      else
+		rl_point = (dir == FTO) ? _rl_find_prev_mbchar (rl_line_buffer, pos, MB_FIND_ANY)
+					: pos;
+	      break;
+	    }
+#if defined (HANDLE_MULTIBYTE)
+	  prepos = pos;
+#endif
+	}
+#if defined (HANDLE_MULTIBYTE)
+      while ((dir < 0) ? (pos = _rl_find_prev_mbchar (rl_line_buffer, pos, MB_FIND_ANY)) != prepos
+		       : (pos = _rl_find_next_mbchar (rl_line_buffer, pos, 1, MB_FIND_ANY)) != prepos);
+#else
+      while ((dir < 0) ? pos-- : ++pos < rl_end);
+#endif
+    }
+  return (0);
+}
+
+/* Search COUNT times for a character read from the current input stream.
+   FDIR is the direction to search if COUNT is non-negative; otherwise
+   the search goes in BDIR.  So much is dependent on HANDLE_MULTIBYTE
+   that there are two separate versions of this function. */
+#if defined (HANDLE_MULTIBYTE)
+static int
+_rl_char_search (count, fdir, bdir)
+     int count, fdir, bdir;
+{
+  char mbchar[MB_LEN_MAX];
+  int mb_len;
+
+  mb_len = _rl_read_mbchar (mbchar, MB_LEN_MAX);
+
+  if (count < 0)
+    return (_rl_char_search_internal (-count, bdir, mbchar, mb_len));
+  else
+    return (_rl_char_search_internal (count, fdir, mbchar, mb_len));
+}
+#else /* !HANDLE_MULTIBYTE */
+static int
+_rl_char_search (count, fdir, bdir)
+     int count, fdir, bdir;
+{
+  int c;
+
+  RL_SETSTATE(RL_STATE_MOREINPUT);
+  c = rl_read_key ();
+  RL_UNSETSTATE(RL_STATE_MOREINPUT);
+
+  if (count < 0)
+    return (_rl_char_search_internal (-count, bdir, c));
+  else
+    return (_rl_char_search_internal (count, fdir, c));
+}
+#endif /* !HANDLE_MULTIBYTE */
+
+int
+rl_char_search (count, key)
+     int count, key;
+{
+  return (_rl_char_search (count, FFIND, BFIND));
+}
+
+int
+rl_backward_char_search (count, key)
+     int count, key;
+{
+  return (_rl_char_search (count, BFIND, FFIND));
+}
+
+/* **************************************************************** */
+/*								    */
+/*		   The Mark and the Region.			    */
+/*								    */
+/* **************************************************************** */
+
+/* Set the mark at POSITION. */
+int
+_rl_set_mark_at_pos (position)
+     int position;
+{
+  if (position > rl_end)
+    return -1;
+
+  rl_mark = position;
+  return 0;
+}
+
+/* A bindable command to set the mark. */
+int
+rl_set_mark (count, key)
+     int count, key;
+{
+  return (_rl_set_mark_at_pos (rl_explicit_arg ? count : rl_point));
+}
+
+/* Exchange the position of mark and point. */
+int
+rl_exchange_point_and_mark (count, key)
+     int count, key;
+{
+  if (rl_mark > rl_end)
+    rl_mark = -1;
+
+  if (rl_mark == -1)
+    {
+      rl_ding ();
+      return -1;
+    }
+  else
+    SWAP (rl_point, rl_mark);
+
+  return 0;
+}
diff --git a/readline-4.3.orig/tilde.c b/readline-4.3.orig/tilde.c
new file mode 100644
index 0000000..154f7f8
--- /dev/null
+++ b/readline-4.3.orig/tilde.c
@@ -0,0 +1,458 @@
+/* tilde.c -- Tilde expansion code (~/foo := $HOME/foo). */
+
+/* Copyright (C) 1988,1989 Free Software Foundation, Inc.
+
+   This file is part of GNU Readline, a library for reading lines
+   of text with interactive input and history editing.
+
+   Readline is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+
+   Readline is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with Readline; see the file COPYING.  If not, write to the Free
+   Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
+
+#if defined (HAVE_UNISTD_H)
+#  ifdef _MINIX
+#    include <sys/types.h>
+#  endif
+#  include <unistd.h>
+#endif
+
+#if defined (HAVE_STRING_H)
+#  include <string.h>
+#else /* !HAVE_STRING_H */
+#  include <strings.h>
+#endif /* !HAVE_STRING_H */  
+
+#if defined (HAVE_STDLIB_H)
+#  include <stdlib.h>
+#else
+#  include "ansi_stdlib.h"
+#endif /* HAVE_STDLIB_H */
+
+#include <sys/types.h>
+#include <pwd.h>
+
+#include "tilde.h"
+
+#if defined (TEST) || defined (STATIC_MALLOC)
+static void *xmalloc (), *xrealloc ();
+#else
+#  include "xmalloc.h"
+#endif /* TEST || STATIC_MALLOC */
+
+#if !defined (HAVE_GETPW_DECLS)
+extern struct passwd *getpwuid PARAMS((uid_t));
+extern struct passwd *getpwnam PARAMS((const char *));
+#endif /* !HAVE_GETPW_DECLS */
+
+#if !defined (savestring)
+#define savestring(x) strcpy ((char *)xmalloc (1 + strlen (x)), (x))
+#endif /* !savestring */
+
+#if !defined (NULL)
+#  if defined (__STDC__)
+#    define NULL ((void *) 0)
+#  else
+#    define NULL 0x0
+#  endif /* !__STDC__ */
+#endif /* !NULL */
+
+/* If being compiled as part of bash, these will be satisfied from
+   variables.o.  If being compiled as part of readline, they will
+   be satisfied from shell.o. */
+extern char *sh_get_home_dir PARAMS((void));
+extern char *sh_get_env_value PARAMS((const char *));
+
+/* The default value of tilde_additional_prefixes.  This is set to
+   whitespace preceding a tilde so that simple programs which do not
+   perform any word separation get desired behaviour. */
+static const char *default_prefixes[] =
+  { " ~", "\t~", (const char *)NULL };
+
+/* The default value of tilde_additional_suffixes.  This is set to
+   whitespace or newline so that simple programs which do not
+   perform any word separation get desired behaviour. */
+static const char *default_suffixes[] =
+  { " ", "\n", (const char *)NULL };
+
+/* If non-null, this contains the address of a function that the application
+   wants called before trying the standard tilde expansions.  The function
+   is called with the text sans tilde, and returns a malloc()'ed string
+   which is the expansion, or a NULL pointer if the expansion fails. */
+tilde_hook_func_t *tilde_expansion_preexpansion_hook = (tilde_hook_func_t *)NULL;
+
+/* If non-null, this contains the address of a function to call if the
+   standard meaning for expanding a tilde fails.  The function is called
+   with the text (sans tilde, as in "foo"), and returns a malloc()'ed string
+   which is the expansion, or a NULL pointer if there is no expansion. */
+tilde_hook_func_t *tilde_expansion_failure_hook = (tilde_hook_func_t *)NULL;
+
+/* When non-null, this is a NULL terminated array of strings which
+   are duplicates for a tilde prefix.  Bash uses this to expand
+   `=~' and `:~'. */
+char **tilde_additional_prefixes = (char **)default_prefixes;
+
+/* When non-null, this is a NULL terminated array of strings which match
+   the end of a username, instead of just "/".  Bash sets this to
+   `:' and `=~'. */
+char **tilde_additional_suffixes = (char **)default_suffixes;
+
+static int tilde_find_prefix PARAMS((const char *, int *));
+static int tilde_find_suffix PARAMS((const char *));
+static char *isolate_tilde_prefix PARAMS((const char *, int *));
+static char *glue_prefix_and_suffix PARAMS((char *, const char *, int));
+
+/* Find the start of a tilde expansion in STRING, and return the index of
+   the tilde which starts the expansion.  Place the length of the text
+   which identified this tilde starter in LEN, excluding the tilde itself. */
+static int
+tilde_find_prefix (string, len)
+     const char *string;
+     int *len;
+{
+  register int i, j, string_len;
+  register char **prefixes;
+
+  prefixes = tilde_additional_prefixes;
+
+  string_len = strlen (string);
+  *len = 0;
+
+  if (*string == '\0' || *string == '~')
+    return (0);
+
+  if (prefixes)
+    {
+      for (i = 0; i < string_len; i++)
+	{
+	  for (j = 0; prefixes[j]; j++)
+	    {
+	      if (strncmp (string + i, prefixes[j], strlen (prefixes[j])) == 0)
+		{
+		  *len = strlen (prefixes[j]) - 1;
+		  return (i + *len);
+		}
+	    }
+	}
+    }
+  return (string_len);
+}
+
+/* Find the end of a tilde expansion in STRING, and return the index of
+   the character which ends the tilde definition.  */
+static int
+tilde_find_suffix (string)
+     const char *string;
+{
+  register int i, j, string_len;
+  register char **suffixes;
+
+  suffixes = tilde_additional_suffixes;
+  string_len = strlen (string);
+
+  for (i = 0; i < string_len; i++)
+    {
+#if defined (__MSDOS__)
+      if (string[i] == '/' || string[i] == '\\' /* || !string[i] */)
+#else
+      if (string[i] == '/' /* || !string[i] */)
+#endif
+	break;
+
+      for (j = 0; suffixes && suffixes[j]; j++)
+	{
+	  if (strncmp (string + i, suffixes[j], strlen (suffixes[j])) == 0)
+	    return (i);
+	}
+    }
+  return (i);
+}
+
+/* Return a new string which is the result of tilde expanding STRING. */
+char *
+tilde_expand (string)
+     const char *string;
+{
+  char *result;
+  int result_size, result_index;
+
+  result_index = result_size = 0;
+  if (result = strchr (string, '~'))
+    result = (char *)xmalloc (result_size = (strlen (string) + 16));
+  else
+    result = (char *)xmalloc (result_size = (strlen (string) + 1));
+
+  /* Scan through STRING expanding tildes as we come to them. */
+  while (1)
+    {
+      register int start, end;
+      char *tilde_word, *expansion;
+      int len;
+
+      /* Make START point to the tilde which starts the expansion. */
+      start = tilde_find_prefix (string, &len);
+
+      /* Copy the skipped text into the result. */
+      if ((result_index + start + 1) > result_size)
+	result = (char *)xrealloc (result, 1 + (result_size += (start + 20)));
+
+      strncpy (result + result_index, string, start);
+      result_index += start;
+
+      /* Advance STRING to the starting tilde. */
+      string += start;
+
+      /* Make END be the index of one after the last character of the
+	 username. */
+      end = tilde_find_suffix (string);
+
+      /* If both START and END are zero, we are all done. */
+      if (!start && !end)
+	break;
+
+      /* Expand the entire tilde word, and copy it into RESULT. */
+      tilde_word = (char *)xmalloc (1 + end);
+      strncpy (tilde_word, string, end);
+      tilde_word[end] = '\0';
+      string += end;
+
+      expansion = tilde_expand_word (tilde_word);
+      free (tilde_word);
+
+      len = strlen (expansion);
+#ifdef __CYGWIN__
+      /* Fix for Cygwin to prevent ~user/xxx from expanding to //xxx when
+	 $HOME for `user' is /.  On cygwin, // denotes a network drive. */
+      if (len > 1 || *expansion != '/' || *string != '/')
+#endif
+	{
+	  if ((result_index + len + 1) > result_size)
+	    result = (char *)xrealloc (result, 1 + (result_size += (len + 20)));
+
+	  strcpy (result + result_index, expansion);
+	  result_index += len;
+	}
+      free (expansion);
+    }
+
+  result[result_index] = '\0';
+
+  return (result);
+}
+
+/* Take FNAME and return the tilde prefix we want expanded.  If LENP is
+   non-null, the index of the end of the prefix into FNAME is returned in
+   the location it points to. */
+static char *
+isolate_tilde_prefix (fname, lenp)
+     const char *fname;
+     int *lenp;
+{
+  char *ret;
+  int i;
+
+  ret = (char *)xmalloc (strlen (fname));
+#if defined (__MSDOS__)
+  for (i = 1; fname[i] && fname[i] != '/' && fname[i] != '\\'; i++)
+#else
+  for (i = 1; fname[i] && fname[i] != '/'; i++)
+#endif
+    ret[i - 1] = fname[i];
+  ret[i - 1] = '\0';
+  if (lenp)
+    *lenp = i;
+  return ret;
+}
+
+/* Return a string that is PREFIX concatenated with SUFFIX starting at
+   SUFFIND. */
+static char *
+glue_prefix_and_suffix (prefix, suffix, suffind)
+     char *prefix;
+     const char *suffix;
+     int suffind;
+{
+  char *ret;
+  int plen, slen;
+
+  plen = (prefix && *prefix) ? strlen (prefix) : 0;
+  slen = strlen (suffix + suffind);
+  ret = (char *)xmalloc (plen + slen + 1);
+  if (plen)
+    strcpy (ret, prefix);
+  strcpy (ret + plen, suffix + suffind);
+  return ret;
+}
+
+/* Do the work of tilde expansion on FILENAME.  FILENAME starts with a
+   tilde.  If there is no expansion, call tilde_expansion_failure_hook.
+   This always returns a newly-allocated string, never static storage. */
+char *
+tilde_expand_word (filename)
+     const char *filename;
+{
+  char *dirname, *expansion, *username;
+  int user_len;
+  struct passwd *user_entry;
+
+  if (filename == 0)
+    return ((char *)NULL);
+
+  if (*filename != '~')
+    return (savestring (filename));
+
+  /* A leading `~/' or a bare `~' is *always* translated to the value of
+     $HOME or the home directory of the current user, regardless of any
+     preexpansion hook. */
+  if (filename[1] == '\0' || filename[1] == '/')
+    {
+      /* Prefix $HOME to the rest of the string. */
+      expansion = sh_get_env_value ("HOME");
+
+      /* If there is no HOME variable, look up the directory in
+	 the password database. */
+      if (expansion == 0)
+	expansion = sh_get_home_dir ();
+
+      return (glue_prefix_and_suffix (expansion, filename, 1));
+    }
+
+  username = isolate_tilde_prefix (filename, &user_len);
+
+  if (tilde_expansion_preexpansion_hook)
+    {
+      expansion = (*tilde_expansion_preexpansion_hook) (username);
+      if (expansion)
+	{
+	  dirname = glue_prefix_and_suffix (expansion, filename, user_len);
+	  free (username);
+	  free (expansion);
+	  return (dirname);
+	}
+    }
+
+  /* No preexpansion hook, or the preexpansion hook failed.  Look in the
+     password database. */
+  dirname = (char *)NULL;
+  user_entry = getpwnam (username);
+  if (user_entry == 0)
+    {
+      /* If the calling program has a special syntax for expanding tildes,
+	 and we couldn't find a standard expansion, then let them try. */
+      if (tilde_expansion_failure_hook)
+	{
+	  expansion = (*tilde_expansion_failure_hook) (username);
+	  if (expansion)
+	    {
+	      dirname = glue_prefix_and_suffix (expansion, filename, user_len);
+	      free (expansion);
+	    }
+	}
+      free (username);
+      /* If we don't have a failure hook, or if the failure hook did not
+	 expand the tilde, return a copy of what we were passed. */
+      if (dirname == 0)
+	dirname = savestring (filename);
+    }
+  else
+    {
+      free (username);
+      dirname = glue_prefix_and_suffix (user_entry->pw_dir, filename, user_len);
+    }
+
+  endpwent ();
+  return (dirname);
+}
+
+
+#if defined (TEST)
+#undef NULL
+#include <stdio.h>
+
+main (argc, argv)
+     int argc;
+     char **argv;
+{
+  char *result, line[512];
+  int done = 0;
+
+  while (!done)
+    {
+      printf ("~expand: ");
+      fflush (stdout);
+
+      if (!gets (line))
+	strcpy (line, "done");
+
+      if ((strcmp (line, "done") == 0) ||
+	  (strcmp (line, "quit") == 0) ||
+	  (strcmp (line, "exit") == 0))
+	{
+	  done = 1;
+	  break;
+	}
+
+      result = tilde_expand (line);
+      printf ("  --> %s\n", result);
+      free (result);
+    }
+  exit (0);
+}
+
+static void memory_error_and_abort ();
+
+static void *
+xmalloc (bytes)
+     size_t bytes;
+{
+  void *temp = (char *)malloc (bytes);
+
+  if (!temp)
+    memory_error_and_abort ();
+  return (temp);
+}
+
+static void *
+xrealloc (pointer, bytes)
+     void *pointer;
+     int bytes;
+{
+  void *temp;
+
+  if (!pointer)
+    temp = malloc (bytes);
+  else
+    temp = realloc (pointer, bytes);
+
+  if (!temp)
+    memory_error_and_abort ();
+
+  return (temp);
+}
+
+static void
+memory_error_and_abort ()
+{
+  fprintf (stderr, "readline: out of virtual memory\n");
+  abort ();
+}
+
+/*
+ * Local variables:
+ * compile-command: "gcc -g -DTEST -o tilde tilde.c"
+ * end:
+ */
+#endif /* TEST */
diff --git a/readline-4.3.orig/undo.c b/readline-4.3.orig/undo.c
new file mode 100644
index 0000000..25c287b
--- /dev/null
+++ b/readline-4.3.orig/undo.c
@@ -0,0 +1,263 @@
+/* readline.c -- a general facility for reading lines of input
+   with emacs style editing and completion. */
+
+/* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc.
+
+   This file is part of the GNU Readline Library, a library for
+   reading lines of text with interactive input and history editing.
+
+   The GNU Readline Library is free software; you can redistribute it
+   and/or modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2, or
+   (at your option) any later version.
+
+   The GNU Readline Library is distributed in the hope that it will be
+   useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   The GNU General Public License is often shipped with GNU software, and
+   is generally kept in a file called COPYING or LICENSE.  If you do not
+   have a copy of the license, write to the Free Software Foundation,
+   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+#define READLINE_LIBRARY
+
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
+
+#include <sys/types.h>
+
+#if defined (HAVE_UNISTD_H)
+#  include <unistd.h>           /* for _POSIX_VERSION */
+#endif /* HAVE_UNISTD_H */
+
+#if defined (HAVE_STDLIB_H)
+#  include <stdlib.h>
+#else
+#  include "ansi_stdlib.h"
+#endif /* HAVE_STDLIB_H */
+
+#include <stdio.h>
+
+/* System-specific feature definitions and include files. */
+#include "rldefs.h"
+
+/* Some standard library routines. */
+#include "readline.h"
+#include "history.h"
+
+#include "rlprivate.h"
+#include "xmalloc.h"
+
+/* Non-zero tells rl_delete_text and rl_insert_text to not add to
+   the undo list. */
+int _rl_doing_an_undo = 0;
+
+/* How many unclosed undo groups we currently have. */
+int _rl_undo_group_level = 0;
+
+/* The current undo list for THE_LINE. */
+UNDO_LIST *rl_undo_list = (UNDO_LIST *)NULL;
+
+/* **************************************************************** */
+/*								    */
+/*			Undo, and Undoing			    */
+/*								    */
+/* **************************************************************** */
+
+/* Remember how to undo something.  Concatenate some undos if that
+   seems right. */
+void
+rl_add_undo (what, start, end, text)
+     enum undo_code what;
+     int start, end;
+     char *text;
+{
+  UNDO_LIST *temp = (UNDO_LIST *)xmalloc (sizeof (UNDO_LIST));
+  temp->what = what;
+  temp->start = start;
+  temp->end = end;
+  temp->text = text;
+  temp->next = rl_undo_list;
+  rl_undo_list = temp;
+}
+
+/* Free the existing undo list. */
+void
+rl_free_undo_list ()
+{
+  while (rl_undo_list)
+    {
+      UNDO_LIST *release = rl_undo_list;
+      rl_undo_list = rl_undo_list->next;
+
+      if (release->what == UNDO_DELETE)
+	free (release->text);
+
+      free (release);
+    }
+  rl_undo_list = (UNDO_LIST *)NULL;
+}
+
+/* Undo the next thing in the list.  Return 0 if there
+   is nothing to undo, or non-zero if there was. */
+int
+rl_do_undo ()
+{
+  UNDO_LIST *release;
+  int waiting_for_begin, start, end;
+
+#define TRANS(i) ((i) == -1 ? rl_point : ((i) == -2 ? rl_end : (i)))
+
+  start = end = waiting_for_begin = 0;
+  do
+    {
+      if (!rl_undo_list)
+	return (0);
+
+      _rl_doing_an_undo = 1;
+      RL_SETSTATE(RL_STATE_UNDOING);
+
+      /* To better support vi-mode, a start or end value of -1 means
+	 rl_point, and a value of -2 means rl_end. */
+      if (rl_undo_list->what == UNDO_DELETE || rl_undo_list->what == UNDO_INSERT)
+	{
+	  start = TRANS (rl_undo_list->start);
+	  end = TRANS (rl_undo_list->end);
+	}
+
+      switch (rl_undo_list->what)
+	{
+	/* Undoing deletes means inserting some text. */
+	case UNDO_DELETE:
+	  rl_point = start;
+	  rl_insert_text (rl_undo_list->text);
+	  free (rl_undo_list->text);
+	  break;
+
+	/* Undoing inserts means deleting some text. */
+	case UNDO_INSERT:
+	  rl_delete_text (start, end);
+	  rl_point = start;
+	  break;
+
+	/* Undoing an END means undoing everything 'til we get to a BEGIN. */
+	case UNDO_END:
+	  waiting_for_begin++;
+	  break;
+
+	/* Undoing a BEGIN means that we are done with this group. */
+	case UNDO_BEGIN:
+	  if (waiting_for_begin)
+	    waiting_for_begin--;
+	  else
+	    rl_ding ();
+	  break;
+	}
+
+      _rl_doing_an_undo = 0;
+      RL_UNSETSTATE(RL_STATE_UNDOING);
+
+      release = rl_undo_list;
+      rl_undo_list = rl_undo_list->next;
+      free (release);
+    }
+  while (waiting_for_begin);
+
+  return (1);
+}
+#undef TRANS
+
+int
+_rl_fix_last_undo_of_type (type, start, end)
+     int type, start, end;
+{
+  UNDO_LIST *rl;
+
+  for (rl = rl_undo_list; rl; rl = rl->next)
+    {
+      if (rl->what == type)
+	{
+	  rl->start = start;
+	  rl->end = end;
+	  return 0;
+	}
+    }
+  return 1;
+}
+
+/* Begin a group.  Subsequent undos are undone as an atomic operation. */
+int
+rl_begin_undo_group ()
+{
+  rl_add_undo (UNDO_BEGIN, 0, 0, 0);
+  _rl_undo_group_level++;
+  return 0;
+}
+
+/* End an undo group started with rl_begin_undo_group (). */
+int
+rl_end_undo_group ()
+{
+  rl_add_undo (UNDO_END, 0, 0, 0);
+  _rl_undo_group_level--;
+  return 0;
+}
+
+/* Save an undo entry for the text from START to END. */
+int
+rl_modifying (start, end)
+     int start, end;
+{
+  if (start > end)
+    {
+      SWAP (start, end);
+    }
+
+  if (start != end)
+    {
+      char *temp = rl_copy_text (start, end);
+      rl_begin_undo_group ();
+      rl_add_undo (UNDO_DELETE, start, end, temp);
+      rl_add_undo (UNDO_INSERT, start, end, (char *)NULL);
+      rl_end_undo_group ();
+    }
+  return 0;
+}
+
+/* Revert the current line to its previous state. */
+int
+rl_revert_line (count, key)
+     int count, key;
+{
+  if (!rl_undo_list)
+    rl_ding ();
+  else
+    {
+      while (rl_undo_list)
+	rl_do_undo ();
+    }
+  return 0;
+}
+
+/* Do some undoing of things that were done. */
+int
+rl_undo_command (count, key)
+     int count, key;
+{
+  if (count < 0)
+    return 0;	/* Nothing to do. */
+
+  while (count)
+    {
+      if (rl_do_undo ())
+	count--;
+      else
+	{
+	  rl_ding ();
+	  break;
+	}
+    }
+  return 0;
+}
diff --git a/readline-4.3.orig/util.c b/readline-4.3.orig/util.c
new file mode 100644
index 0000000..c7bd360
--- /dev/null
+++ b/readline-4.3.orig/util.c
@@ -0,0 +1,338 @@
+/* util.c -- readline utility functions */
+
+/* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc.
+
+   This file is part of the GNU Readline Library, a library for
+   reading lines of text with interactive input and history editing.
+
+   The GNU Readline Library is free software; you can redistribute it
+   and/or modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2, or
+   (at your option) any later version.
+
+   The GNU Readline Library is distributed in the hope that it will be
+   useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   The GNU General Public License is often shipped with GNU software, and
+   is generally kept in a file called COPYING or LICENSE.  If you do not
+   have a copy of the license, write to the Free Software Foundation,
+   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+#define READLINE_LIBRARY
+
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
+
+#include <sys/types.h>
+#include <fcntl.h>
+#include "posixjmp.h"
+
+#if defined (HAVE_UNISTD_H)
+#  include <unistd.h>           /* for _POSIX_VERSION */
+#endif /* HAVE_UNISTD_H */
+
+#if defined (HAVE_STDLIB_H)
+#  include <stdlib.h>
+#else
+#  include "ansi_stdlib.h"
+#endif /* HAVE_STDLIB_H */
+
+#include <stdio.h>
+#include <ctype.h>
+
+/* System-specific feature definitions and include files. */
+#include "rldefs.h"
+
+#if defined (TIOCSTAT_IN_SYS_IOCTL)
+#  include <sys/ioctl.h>
+#endif /* TIOCSTAT_IN_SYS_IOCTL */
+
+/* Some standard library routines. */
+#include "readline.h"
+
+#include "rlprivate.h"
+#include "xmalloc.h"
+
+/* **************************************************************** */
+/*								    */
+/*			Utility Functions			    */
+/*								    */
+/* **************************************************************** */
+
+/* Return 0 if C is not a member of the class of characters that belong
+   in words, or 1 if it is. */
+
+int _rl_allow_pathname_alphabetic_chars = 0;
+static const char *pathname_alphabetic_chars = "/-_=~.#$";
+
+int
+rl_alphabetic (c)
+     int c;
+{
+  if (ALPHABETIC (c))
+    return (1);
+
+  return (_rl_allow_pathname_alphabetic_chars &&
+	    strchr (pathname_alphabetic_chars, c) != NULL);
+}
+
+/* How to abort things. */
+int
+_rl_abort_internal ()
+{
+  rl_ding ();
+  rl_clear_message ();
+  _rl_init_argument ();
+  rl_clear_pending_input ();
+
+  RL_UNSETSTATE (RL_STATE_MACRODEF);
+  while (rl_executing_macro)
+    _rl_pop_executing_macro ();
+
+  rl_last_func = (rl_command_func_t *)NULL;
+  longjmp (readline_top_level, 1);
+  return (0);
+}
+
+int
+rl_abort (count, key)
+     int count, key;
+{
+  return (_rl_abort_internal ());
+}
+
+int
+rl_tty_status (count, key)
+     int count, key;
+{
+#if defined (TIOCSTAT)
+  ioctl (1, TIOCSTAT, (char *)0);
+  rl_refresh_line (count, key);
+#else
+  rl_ding ();
+#endif
+  return 0;
+}
+
+/* Return a copy of the string between FROM and TO.
+   FROM is inclusive, TO is not. */
+char *
+rl_copy_text (from, to)
+     int from, to;
+{
+  register int length;
+  char *copy;
+
+  /* Fix it if the caller is confused. */
+  if (from > to)
+    SWAP (from, to);
+
+  length = to - from;
+  copy = (char *)xmalloc (1 + length);
+  strncpy (copy, rl_line_buffer + from, length);
+  copy[length] = '\0';
+  return (copy);
+}
+
+/* Increase the size of RL_LINE_BUFFER until it has enough space to hold
+   LEN characters. */
+void
+rl_extend_line_buffer (len)
+     int len;
+{
+  while (len >= rl_line_buffer_len)
+    {
+      rl_line_buffer_len += DEFAULT_BUFFER_SIZE;
+      rl_line_buffer = (char *)xrealloc (rl_line_buffer, rl_line_buffer_len);
+    }
+
+  _rl_set_the_line ();
+}
+
+
+/* A function for simple tilde expansion. */
+int
+rl_tilde_expand (ignore, key)
+     int ignore, key;
+{
+  register int start, end;
+  char *homedir, *temp;
+  int len;
+
+  end = rl_point;
+  start = end - 1;
+
+  if (rl_point == rl_end && rl_line_buffer[rl_point] == '~')
+    {
+      homedir = tilde_expand ("~");
+      _rl_replace_text (homedir, start, end);
+      return (0);
+    }
+  else if (rl_line_buffer[start] != '~')
+    {
+      for (; !whitespace (rl_line_buffer[start]) && start >= 0; start--)
+        ;
+      start++;
+    }
+
+  end = start;
+  do
+    end++;
+  while (whitespace (rl_line_buffer[end]) == 0 && end < rl_end);
+
+  if (whitespace (rl_line_buffer[end]) || end >= rl_end)
+    end--;
+
+  /* If the first character of the current word is a tilde, perform
+     tilde expansion and insert the result.  If not a tilde, do
+     nothing. */
+  if (rl_line_buffer[start] == '~')
+    {
+      len = end - start + 1;
+      temp = (char *)xmalloc (len + 1);
+      strncpy (temp, rl_line_buffer + start, len);
+      temp[len] = '\0';
+      homedir = tilde_expand (temp);
+      free (temp);
+
+      _rl_replace_text (homedir, start, end);
+    }
+
+  return (0);
+}
+
+/* **************************************************************** */
+/*								    */
+/*			String Utility Functions		    */
+/*								    */
+/* **************************************************************** */
+
+/* Determine if s2 occurs in s1.  If so, return a pointer to the
+   match in s1.  The compare is case insensitive. */
+char *
+_rl_strindex (s1, s2)
+     register const char *s1, *s2;
+{
+  register int i, l, len;
+
+  for (i = 0, l = strlen (s2), len = strlen (s1); (len - i) >= l; i++)
+    if (_rl_strnicmp (s1 + i, s2, l) == 0)
+      return ((char *) (s1 + i));
+  return ((char *)NULL);
+}
+
+#ifndef HAVE_STRPBRK
+/* Find the first occurrence in STRING1 of any character from STRING2.
+   Return a pointer to the character in STRING1. */
+char *
+_rl_strpbrk (string1, string2)
+     const char *string1, *string2;
+{
+  register const char *scan;
+#if defined (HANDLE_MULTIBYTE)
+  mbstate_t ps;
+  register int i, v;
+
+  memset (&ps, 0, sizeof (mbstate_t));
+#endif
+
+  for (; *string1; string1++)
+    {
+      for (scan = string2; *scan; scan++)
+	{
+	  if (*string1 == *scan)
+	    return ((char *)string1);
+	}
+#if defined (HANDLE_MULTIBYTE)
+      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	{
+	  v = _rl_get_char_len (string1, &ps);
+	  if (v > 1)
+	    string += v - 1;	/* -1 to account for auto-increment in loop */
+	}
+#endif
+    }
+  return ((char *)NULL);
+}
+#endif
+
+#if !defined (HAVE_STRCASECMP)
+/* Compare at most COUNT characters from string1 to string2.  Case
+   doesn't matter. */
+int
+_rl_strnicmp (string1, string2, count)
+     char *string1, *string2;
+     int count;
+{
+  register char ch1, ch2;
+
+  while (count)
+    {
+      ch1 = *string1++;
+      ch2 = *string2++;
+      if (_rl_to_upper(ch1) == _rl_to_upper(ch2))
+	count--;
+      else
+        break;
+    }
+  return (count);
+}
+
+/* strcmp (), but caseless. */
+int
+_rl_stricmp (string1, string2)
+     char *string1, *string2;
+{
+  register char ch1, ch2;
+
+  while (*string1 && *string2)
+    {
+      ch1 = *string1++;
+      ch2 = *string2++;
+      if (_rl_to_upper(ch1) != _rl_to_upper(ch2))
+	return (1);
+    }
+  return (*string1 - *string2);
+}
+#endif /* !HAVE_STRCASECMP */
+
+/* Stupid comparison routine for qsort () ing strings. */
+int
+_rl_qsort_string_compare (s1, s2)
+  char **s1, **s2;
+{
+#if defined (HAVE_STRCOLL)
+  return (strcoll (*s1, *s2));
+#else
+  int result;
+
+  result = **s1 - **s2;
+  if (result == 0)
+    result = strcmp (*s1, *s2);
+
+  return result;
+#endif
+}
+
+/* Function equivalents for the macros defined in chardefs.h. */
+#define FUNCTION_FOR_MACRO(f)	int (f) (c) int c; { return f (c); }
+
+FUNCTION_FOR_MACRO (_rl_digit_p)
+FUNCTION_FOR_MACRO (_rl_digit_value)
+FUNCTION_FOR_MACRO (_rl_lowercase_p)
+FUNCTION_FOR_MACRO (_rl_pure_alphabetic)
+FUNCTION_FOR_MACRO (_rl_to_lower)
+FUNCTION_FOR_MACRO (_rl_to_upper)
+FUNCTION_FOR_MACRO (_rl_uppercase_p)
+
+/* Backwards compatibility, now that savestring has been removed from
+   all `public' readline header files. */
+#undef _rl_savestring
+char *
+_rl_savestring (s)
+     const char *s;
+{
+  return (strcpy ((char *)xmalloc (1 + (int)strlen (s)), (s)));
+}
diff --git a/readline-4.3.orig/vi_keymap.c b/readline-4.3.orig/vi_keymap.c
new file mode 100644
index 0000000..53a67c6
--- /dev/null
+++ b/readline-4.3.orig/vi_keymap.c
@@ -0,0 +1,877 @@
+/* vi_keymap.c -- the keymap for vi_mode in readline (). */
+
+/* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc.
+
+   This file is part of the GNU Readline Library, a library for
+   reading lines of text with interactive input and history editing.
+
+   The GNU Readline Library is free software; you can redistribute it
+   and/or modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2, or
+   (at your option) any later version.
+
+   The GNU Readline Library is distributed in the hope that it will be
+   useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   The GNU General Public License is often shipped with GNU software, and
+   is generally kept in a file called COPYING or LICENSE.  If you do not
+   have a copy of the license, write to the Free Software Foundation,
+   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+
+#if !defined (BUFSIZ)
+#include <stdio.h>
+#endif /* !BUFSIZ */
+
+#include "readline.h"
+
+#if 0
+extern KEYMAP_ENTRY_ARRAY vi_escape_keymap;
+#endif
+
+/* The keymap arrays for handling vi mode. */
+KEYMAP_ENTRY_ARRAY vi_movement_keymap = {
+  /* The regular control keys come first. */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-@ */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-a */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-b */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-c */
+  { ISFUNC, rl_vi_eof_maybe },			/* Control-d */
+  { ISFUNC, rl_emacs_editing_mode },		/* Control-e */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-f */
+  { ISFUNC, rl_abort },				/* Control-g */
+  { ISFUNC, rl_backward_char },			/* Control-h */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-i */
+  { ISFUNC, rl_newline },			/* Control-j */
+  { ISFUNC, rl_kill_line },			/* Control-k */
+  { ISFUNC, rl_clear_screen },			/* Control-l */
+  { ISFUNC, rl_newline },			/* Control-m */
+  { ISFUNC, rl_get_next_history },		/* Control-n */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-o */
+  { ISFUNC, rl_get_previous_history },		/* Control-p */
+  { ISFUNC, rl_quoted_insert },			/* Control-q */
+  { ISFUNC, rl_reverse_search_history },	/* Control-r */
+  { ISFUNC, rl_forward_search_history },	/* Control-s */
+  { ISFUNC, rl_transpose_chars },		/* Control-t */
+  { ISFUNC, rl_unix_line_discard },		/* Control-u */
+  { ISFUNC, rl_quoted_insert },			/* Control-v */
+  { ISFUNC, rl_unix_word_rubout },		/* Control-w */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-x */
+  { ISFUNC, rl_yank },				/* Control-y */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-z */
+
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-[ */	/* vi_escape_keymap */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-\ */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-] */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-^ */
+  { ISFUNC, rl_vi_undo },			/* Control-_ */
+
+  /* The start of printing characters. */
+  { ISFUNC, rl_forward_char },			/* SPACE */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* ! */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* " */
+  { ISFUNC, rl_insert_comment },		/* # */
+  { ISFUNC, rl_end_of_line },			/* $ */
+  { ISFUNC, rl_vi_match },			/* % */
+  { ISFUNC, rl_vi_tilde_expand },		/* & */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* ' */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* ( */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* ) */
+  { ISFUNC, rl_vi_complete },			/* * */
+  { ISFUNC, rl_get_next_history},		/* + */
+  { ISFUNC, rl_vi_char_search },		/* , */
+  { ISFUNC, rl_get_previous_history },		/* - */
+  { ISFUNC, rl_vi_redo },			/* . */
+  { ISFUNC, rl_vi_search },			/* / */
+
+  /* Regular digits. */
+  { ISFUNC, rl_beg_of_line },			/* 0 */
+  { ISFUNC, rl_vi_arg_digit },			/* 1 */
+  { ISFUNC, rl_vi_arg_digit },			/* 2 */
+  { ISFUNC, rl_vi_arg_digit },			/* 3 */
+  { ISFUNC, rl_vi_arg_digit },			/* 4 */
+  { ISFUNC, rl_vi_arg_digit },			/* 5 */
+  { ISFUNC, rl_vi_arg_digit },			/* 6 */
+  { ISFUNC, rl_vi_arg_digit },			/* 7 */
+  { ISFUNC, rl_vi_arg_digit },			/* 8 */
+  { ISFUNC, rl_vi_arg_digit },			/* 9 */
+
+  /* A little more punctuation. */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* : */
+  { ISFUNC, rl_vi_char_search },		/* ; */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* < */
+  { ISFUNC, rl_vi_complete },			/* = */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* > */
+  { ISFUNC, rl_vi_search },			/* ? */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* @ */
+
+  /* Uppercase alphabet. */
+  { ISFUNC, rl_vi_append_eol },			/* A */
+  { ISFUNC, rl_vi_prev_word},			/* B */
+  { ISFUNC, rl_vi_change_to },			/* C */
+  { ISFUNC, rl_vi_delete_to },			/* D */
+  { ISFUNC, rl_vi_end_word },			/* E */
+  { ISFUNC, rl_vi_char_search },		/* F */
+  { ISFUNC, rl_vi_fetch_history },		/* G */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* H */
+  { ISFUNC, rl_vi_insert_beg },			/* I */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* J */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* K */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* L */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* M */
+  { ISFUNC, rl_vi_search_again },		/* N */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* O */
+  { ISFUNC, rl_vi_put },			/* P */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Q */
+  { ISFUNC, rl_vi_replace },			/* R */
+  { ISFUNC, rl_vi_subst },			/* S */
+  { ISFUNC, rl_vi_char_search },		/* T */
+  { ISFUNC, rl_revert_line },			/* U */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* V */
+  { ISFUNC, rl_vi_next_word },			/* W */
+  { ISFUNC, rl_rubout },			/* X */
+  { ISFUNC, rl_vi_yank_to },			/* Y */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Z */
+
+  /* Some more punctuation. */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* [ */
+  { ISFUNC, rl_vi_complete },			/* \ */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* ] */
+  { ISFUNC, rl_vi_first_print },		/* ^ */
+  { ISFUNC, rl_vi_yank_arg },			/* _ */
+  { ISFUNC, rl_vi_goto_mark },			/* ` */
+
+  /* Lowercase alphabet. */
+  { ISFUNC, rl_vi_append_mode },		/* a */
+  { ISFUNC, rl_vi_prev_word },			/* b */
+  { ISFUNC, rl_vi_change_to },			/* c */
+  { ISFUNC, rl_vi_delete_to },			/* d */
+  { ISFUNC, rl_vi_end_word },			/* e */
+  { ISFUNC, rl_vi_char_search },		/* f */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* g */
+  { ISFUNC, rl_backward_char },			/* h */
+  { ISFUNC, rl_vi_insertion_mode },		/* i */
+  { ISFUNC, rl_get_next_history },		/* j */
+  { ISFUNC, rl_get_previous_history },		/* k */
+  { ISFUNC, rl_forward_char },			/* l */
+  { ISFUNC, rl_vi_set_mark },			/* m */
+  { ISFUNC, rl_vi_search_again },		/* n */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* o */
+  { ISFUNC, rl_vi_put },			/* p */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* q */
+  { ISFUNC, rl_vi_change_char },		/* r */
+  { ISFUNC, rl_vi_subst },			/* s */
+  { ISFUNC, rl_vi_char_search },		/* t */
+  { ISFUNC, rl_vi_undo },			/* u */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* v */
+  { ISFUNC, rl_vi_next_word },			/* w */
+  { ISFUNC, rl_vi_delete },			/* x */
+  { ISFUNC, rl_vi_yank_to },			/* y */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* z */
+
+  /* Final punctuation. */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* { */
+  { ISFUNC, rl_vi_column },			/* | */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* } */
+  { ISFUNC, rl_vi_change_case },		/* ~ */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* RUBOUT */
+
+#if KEYMAP_SIZE > 128
+  /* Undefined keys. */
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 }
+#endif /* KEYMAP_SIZE > 128 */
+};
+
+
+KEYMAP_ENTRY_ARRAY vi_insertion_keymap = {
+  /* The regular control keys come first. */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-@ */
+  { ISFUNC, rl_insert },			/* Control-a */
+  { ISFUNC, rl_insert },			/* Control-b */
+  { ISFUNC, rl_insert },			/* Control-c */
+  { ISFUNC, rl_vi_eof_maybe },			/* Control-d */
+  { ISFUNC, rl_insert },			/* Control-e */
+  { ISFUNC, rl_insert },			/* Control-f */
+  { ISFUNC, rl_insert },			/* Control-g */
+  { ISFUNC, rl_rubout },			/* Control-h */
+  { ISFUNC, rl_complete },			/* Control-i */
+  { ISFUNC, rl_newline },			/* Control-j */
+  { ISFUNC, rl_insert },			/* Control-k */
+  { ISFUNC, rl_insert },			/* Control-l */
+  { ISFUNC, rl_newline },			/* Control-m */
+  { ISFUNC, rl_insert },			/* Control-n */
+  { ISFUNC, rl_insert },			/* Control-o */
+  { ISFUNC, rl_insert },			/* Control-p */
+  { ISFUNC, rl_insert },			/* Control-q */
+  { ISFUNC, rl_reverse_search_history },	/* Control-r */
+  { ISFUNC, rl_forward_search_history },	/* Control-s */
+  { ISFUNC, rl_transpose_chars },		/* Control-t */
+  { ISFUNC, rl_unix_line_discard },		/* Control-u */
+  { ISFUNC, rl_quoted_insert },			/* Control-v */
+  { ISFUNC, rl_unix_word_rubout },		/* Control-w */
+  { ISFUNC, rl_insert },			/* Control-x */
+  { ISFUNC, rl_yank },				/* Control-y */
+  { ISFUNC, rl_insert },			/* Control-z */
+
+  { ISFUNC, rl_vi_movement_mode },		/* Control-[ */
+  { ISFUNC, rl_insert },			/* Control-\ */
+  { ISFUNC, rl_insert },			/* Control-] */
+  { ISFUNC, rl_insert },			/* Control-^ */
+  { ISFUNC, rl_vi_undo },			/* Control-_ */
+
+  /* The start of printing characters. */
+  { ISFUNC, rl_insert },			/* SPACE */
+  { ISFUNC, rl_insert },			/* ! */
+  { ISFUNC, rl_insert },			/* " */
+  { ISFUNC, rl_insert },			/* # */
+  { ISFUNC, rl_insert },			/* $ */
+  { ISFUNC, rl_insert },			/* % */
+  { ISFUNC, rl_insert },			/* & */
+  { ISFUNC, rl_insert },			/* ' */
+  { ISFUNC, rl_insert },			/* ( */
+  { ISFUNC, rl_insert },			/* ) */
+  { ISFUNC, rl_insert },			/* * */
+  { ISFUNC, rl_insert },			/* + */
+  { ISFUNC, rl_insert },			/* , */
+  { ISFUNC, rl_insert },			/* - */
+  { ISFUNC, rl_insert },			/* . */
+  { ISFUNC, rl_insert },			/* / */
+
+  /* Regular digits. */
+  { ISFUNC, rl_insert },			/* 0 */
+  { ISFUNC, rl_insert },			/* 1 */
+  { ISFUNC, rl_insert },			/* 2 */
+  { ISFUNC, rl_insert },			/* 3 */
+  { ISFUNC, rl_insert },			/* 4 */
+  { ISFUNC, rl_insert },			/* 5 */
+  { ISFUNC, rl_insert },			/* 6 */
+  { ISFUNC, rl_insert },			/* 7 */
+  { ISFUNC, rl_insert },			/* 8 */
+  { ISFUNC, rl_insert },			/* 9 */
+
+  /* A little more punctuation. */
+  { ISFUNC, rl_insert },			/* : */
+  { ISFUNC, rl_insert },			/* ; */
+  { ISFUNC, rl_insert },			/* < */
+  { ISFUNC, rl_insert },			/* = */
+  { ISFUNC, rl_insert },			/* > */
+  { ISFUNC, rl_insert },			/* ? */
+  { ISFUNC, rl_insert },			/* @ */
+
+  /* Uppercase alphabet. */
+  { ISFUNC, rl_insert },			/* A */
+  { ISFUNC, rl_insert },			/* B */
+  { ISFUNC, rl_insert },			/* C */
+  { ISFUNC, rl_insert },			/* D */
+  { ISFUNC, rl_insert },			/* E */
+  { ISFUNC, rl_insert },			/* F */
+  { ISFUNC, rl_insert },			/* G */
+  { ISFUNC, rl_insert },			/* H */
+  { ISFUNC, rl_insert },			/* I */
+  { ISFUNC, rl_insert },			/* J */
+  { ISFUNC, rl_insert },			/* K */
+  { ISFUNC, rl_insert },			/* L */
+  { ISFUNC, rl_insert },			/* M */
+  { ISFUNC, rl_insert },			/* N */
+  { ISFUNC, rl_insert },			/* O */
+  { ISFUNC, rl_insert },			/* P */
+  { ISFUNC, rl_insert },			/* Q */
+  { ISFUNC, rl_insert },			/* R */
+  { ISFUNC, rl_insert },			/* S */
+  { ISFUNC, rl_insert },			/* T */
+  { ISFUNC, rl_insert },			/* U */
+  { ISFUNC, rl_insert },			/* V */
+  { ISFUNC, rl_insert },			/* W */
+  { ISFUNC, rl_insert },			/* X */
+  { ISFUNC, rl_insert },			/* Y */
+  { ISFUNC, rl_insert },			/* Z */
+
+  /* Some more punctuation. */
+  { ISFUNC, rl_insert },			/* [ */
+  { ISFUNC, rl_insert },			/* \ */
+  { ISFUNC, rl_insert },			/* ] */
+  { ISFUNC, rl_insert },			/* ^ */
+  { ISFUNC, rl_insert },			/* _ */
+  { ISFUNC, rl_insert },			/* ` */
+
+  /* Lowercase alphabet. */
+  { ISFUNC, rl_insert },			/* a */
+  { ISFUNC, rl_insert },			/* b */
+  { ISFUNC, rl_insert },			/* c */
+  { ISFUNC, rl_insert },			/* d */
+  { ISFUNC, rl_insert },			/* e */
+  { ISFUNC, rl_insert },			/* f */
+  { ISFUNC, rl_insert },			/* g */
+  { ISFUNC, rl_insert },			/* h */
+  { ISFUNC, rl_insert },			/* i */
+  { ISFUNC, rl_insert },			/* j */
+  { ISFUNC, rl_insert },			/* k */
+  { ISFUNC, rl_insert },			/* l */
+  { ISFUNC, rl_insert },			/* m */
+  { ISFUNC, rl_insert },			/* n */
+  { ISFUNC, rl_insert },			/* o */
+  { ISFUNC, rl_insert },			/* p */
+  { ISFUNC, rl_insert },			/* q */
+  { ISFUNC, rl_insert },			/* r */
+  { ISFUNC, rl_insert },			/* s */
+  { ISFUNC, rl_insert },			/* t */
+  { ISFUNC, rl_insert },			/* u */
+  { ISFUNC, rl_insert },			/* v */
+  { ISFUNC, rl_insert },			/* w */
+  { ISFUNC, rl_insert },			/* x */
+  { ISFUNC, rl_insert },			/* y */
+  { ISFUNC, rl_insert },			/* z */
+
+  /* Final punctuation. */
+  { ISFUNC, rl_insert },			/* { */
+  { ISFUNC, rl_insert },			/* | */
+  { ISFUNC, rl_insert },			/* } */
+  { ISFUNC, rl_insert },			/* ~ */
+  { ISFUNC, rl_rubout },			/* RUBOUT */
+
+#if KEYMAP_SIZE > 128
+  /* Pure 8-bit characters (128 - 159).
+     These might be used in some
+     character sets. */
+  { ISFUNC, rl_insert },	/* ? */
+  { ISFUNC, rl_insert },	/* ? */
+  { ISFUNC, rl_insert },	/* ? */
+  { ISFUNC, rl_insert },	/* ? */
+  { ISFUNC, rl_insert },	/* ? */
+  { ISFUNC, rl_insert },	/* ? */
+  { ISFUNC, rl_insert },	/* ? */
+  { ISFUNC, rl_insert },	/* ? */
+  { ISFUNC, rl_insert },	/* ? */
+  { ISFUNC, rl_insert },	/* ? */
+  { ISFUNC, rl_insert },	/* ? */
+  { ISFUNC, rl_insert },	/* ? */
+  { ISFUNC, rl_insert },	/* ? */
+  { ISFUNC, rl_insert },	/* ? */
+  { ISFUNC, rl_insert },	/* ? */
+  { ISFUNC, rl_insert },	/* ? */
+  { ISFUNC, rl_insert },	/* ? */
+  { ISFUNC, rl_insert },	/* ? */
+  { ISFUNC, rl_insert },	/* ? */
+  { ISFUNC, rl_insert },	/* ? */
+  { ISFUNC, rl_insert },	/* ? */
+  { ISFUNC, rl_insert },	/* ? */
+  { ISFUNC, rl_insert },	/* ? */
+  { ISFUNC, rl_insert },	/* ? */
+  { ISFUNC, rl_insert },	/* ? */
+  { ISFUNC, rl_insert },	/* ? */
+  { ISFUNC, rl_insert },	/* ? */
+  { ISFUNC, rl_insert },	/* ? */
+  { ISFUNC, rl_insert },	/* ? */
+  { ISFUNC, rl_insert },	/* ? */
+  { ISFUNC, rl_insert },	/* ? */
+  { ISFUNC, rl_insert },	/* ? */
+
+  /* ISO Latin-1 characters (160 - 255) */
+  { ISFUNC, rl_insert },	/* No-break space */
+  { ISFUNC, rl_insert },	/* Inverted exclamation mark */
+  { ISFUNC, rl_insert },	/* Cent sign */
+  { ISFUNC, rl_insert },	/* Pound sign */
+  { ISFUNC, rl_insert },	/* Currency sign */
+  { ISFUNC, rl_insert },	/* Yen sign */
+  { ISFUNC, rl_insert },	/* Broken bar */
+  { ISFUNC, rl_insert },	/* Section sign */
+  { ISFUNC, rl_insert },	/* Diaeresis */
+  { ISFUNC, rl_insert },	/* Copyright sign */
+  { ISFUNC, rl_insert },	/* Feminine ordinal indicator */
+  { ISFUNC, rl_insert },	/* Left pointing double angle quotation mark */
+  { ISFUNC, rl_insert },	/* Not sign */
+  { ISFUNC, rl_insert },	/* Soft hyphen */
+  { ISFUNC, rl_insert },	/* Registered sign */
+  { ISFUNC, rl_insert },	/* Macron */
+  { ISFUNC, rl_insert },	/* Degree sign */
+  { ISFUNC, rl_insert },	/* Plus-minus sign */
+  { ISFUNC, rl_insert },	/* Superscript two */
+  { ISFUNC, rl_insert },	/* Superscript three */
+  { ISFUNC, rl_insert },	/* Acute accent */
+  { ISFUNC, rl_insert },	/* Micro sign */
+  { ISFUNC, rl_insert },	/* Pilcrow sign */
+  { ISFUNC, rl_insert },	/* Middle dot */
+  { ISFUNC, rl_insert },	/* Cedilla */
+  { ISFUNC, rl_insert },	/* Superscript one */
+  { ISFUNC, rl_insert },	/* Masculine ordinal indicator */
+  { ISFUNC, rl_insert },	/* Right pointing double angle quotation mark */
+  { ISFUNC, rl_insert },	/* Vulgar fraction one quarter */
+  { ISFUNC, rl_insert },	/* Vulgar fraction one half */
+  { ISFUNC, rl_insert },	/* Vulgar fraction three quarters */
+  { ISFUNC, rl_insert },	/* Inverted questionk mark */
+  { ISFUNC, rl_insert },	/* Latin capital letter a with grave */
+  { ISFUNC, rl_insert },	/* Latin capital letter a with acute */
+  { ISFUNC, rl_insert },	/* Latin capital letter a with circumflex */
+  { ISFUNC, rl_insert },	/* Latin capital letter a with tilde */
+  { ISFUNC, rl_insert },	/* Latin capital letter a with diaeresis */
+  { ISFUNC, rl_insert },	/* Latin capital letter a with ring above */
+  { ISFUNC, rl_insert },	/* Latin capital letter ae */
+  { ISFUNC, rl_insert },	/* Latin capital letter c with cedilla */
+  { ISFUNC, rl_insert },	/* Latin capital letter e with grave */
+  { ISFUNC, rl_insert },	/* Latin capital letter e with acute */
+  { ISFUNC, rl_insert },	/* Latin capital letter e with circumflex */
+  { ISFUNC, rl_insert },	/* Latin capital letter e with diaeresis */
+  { ISFUNC, rl_insert },	/* Latin capital letter i with grave */
+  { ISFUNC, rl_insert },	/* Latin capital letter i with acute */
+  { ISFUNC, rl_insert },	/* Latin capital letter i with circumflex */
+  { ISFUNC, rl_insert },	/* Latin capital letter i with diaeresis */
+  { ISFUNC, rl_insert },	/* Latin capital letter eth (Icelandic) */
+  { ISFUNC, rl_insert },	/* Latin capital letter n with tilde */
+  { ISFUNC, rl_insert },	/* Latin capital letter o with grave */
+  { ISFUNC, rl_insert },	/* Latin capital letter o with acute */
+  { ISFUNC, rl_insert },	/* Latin capital letter o with circumflex */
+  { ISFUNC, rl_insert },	/* Latin capital letter o with tilde */
+  { ISFUNC, rl_insert },	/* Latin capital letter o with diaeresis */
+  { ISFUNC, rl_insert },	/* Multiplication sign */
+  { ISFUNC, rl_insert },	/* Latin capital letter o with stroke */
+  { ISFUNC, rl_insert },	/* Latin capital letter u with grave */
+  { ISFUNC, rl_insert },	/* Latin capital letter u with acute */
+  { ISFUNC, rl_insert },	/* Latin capital letter u with circumflex */
+  { ISFUNC, rl_insert },	/* Latin capital letter u with diaeresis */
+  { ISFUNC, rl_insert },	/* Latin capital letter Y with acute */
+  { ISFUNC, rl_insert },	/* Latin capital letter thorn (Icelandic) */
+  { ISFUNC, rl_insert },	/* Latin small letter sharp s (German) */
+  { ISFUNC, rl_insert },	/* Latin small letter a with grave */
+  { ISFUNC, rl_insert },	/* Latin small letter a with acute */
+  { ISFUNC, rl_insert },	/* Latin small letter a with circumflex */
+  { ISFUNC, rl_insert },	/* Latin small letter a with tilde */
+  { ISFUNC, rl_insert },	/* Latin small letter a with diaeresis */
+  { ISFUNC, rl_insert },	/* Latin small letter a with ring above */
+  { ISFUNC, rl_insert },	/* Latin small letter ae */
+  { ISFUNC, rl_insert },	/* Latin small letter c with cedilla */
+  { ISFUNC, rl_insert },	/* Latin small letter e with grave */
+  { ISFUNC, rl_insert },	/* Latin small letter e with acute */
+  { ISFUNC, rl_insert },	/* Latin small letter e with circumflex */
+  { ISFUNC, rl_insert },	/* Latin small letter e with diaeresis */
+  { ISFUNC, rl_insert },	/* Latin small letter i with grave */
+  { ISFUNC, rl_insert },	/* Latin small letter i with acute */
+  { ISFUNC, rl_insert },	/* Latin small letter i with circumflex */
+  { ISFUNC, rl_insert },	/* Latin small letter i with diaeresis */
+  { ISFUNC, rl_insert },	/* Latin small letter eth (Icelandic) */
+  { ISFUNC, rl_insert },	/* Latin small letter n with tilde */
+  { ISFUNC, rl_insert },	/* Latin small letter o with grave */
+  { ISFUNC, rl_insert },	/* Latin small letter o with acute */
+  { ISFUNC, rl_insert },	/* Latin small letter o with circumflex */
+  { ISFUNC, rl_insert },	/* Latin small letter o with tilde */
+  { ISFUNC, rl_insert },	/* Latin small letter o with diaeresis */
+  { ISFUNC, rl_insert },	/* Division sign */
+  { ISFUNC, rl_insert },	/* Latin small letter o with stroke */
+  { ISFUNC, rl_insert },	/* Latin small letter u with grave */
+  { ISFUNC, rl_insert },	/* Latin small letter u with acute */
+  { ISFUNC, rl_insert },	/* Latin small letter u with circumflex */
+  { ISFUNC, rl_insert },	/* Latin small letter u with diaeresis */
+  { ISFUNC, rl_insert },	/* Latin small letter y with acute */
+  { ISFUNC, rl_insert },	/* Latin small letter thorn (Icelandic) */
+  { ISFUNC, rl_insert }		/* Latin small letter y with diaeresis */
+#endif /* KEYMAP_SIZE > 128 */
+};
+
+/* Unused for the time being. */
+#if 0
+KEYMAP_ENTRY_ARRAY vi_escape_keymap = {
+  /* The regular control keys come first. */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-@ */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-a */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-b */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-c */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-d */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-e */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-f */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-g */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-h */
+  { ISFUNC, rl_tab_insert},			/* Control-i */
+  { ISFUNC, rl_emacs_editing_mode},		/* Control-j */
+  { ISFUNC, rl_kill_line },			/* Control-k */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-l */
+  { ISFUNC, rl_emacs_editing_mode},		/* Control-m */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-n */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-o */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-p */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-q */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-r */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-s */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-t */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-u */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-v */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-w */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-x */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-y */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-z */
+
+  { ISFUNC, rl_vi_movement_mode },		/* Control-[ */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-\ */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-] */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* Control-^ */
+  { ISFUNC, rl_vi_undo },			/* Control-_ */
+
+  /* The start of printing characters. */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* SPACE */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* ! */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* " */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* # */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* $ */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* % */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* & */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* ' */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* ( */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* ) */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* * */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* + */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* , */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* - */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* . */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* / */
+
+  /* Regular digits. */
+  { ISFUNC, rl_vi_arg_digit },			/* 0 */
+  { ISFUNC, rl_vi_arg_digit },			/* 1 */
+  { ISFUNC, rl_vi_arg_digit },			/* 2 */
+  { ISFUNC, rl_vi_arg_digit },			/* 3 */
+  { ISFUNC, rl_vi_arg_digit },			/* 4 */
+  { ISFUNC, rl_vi_arg_digit },			/* 5 */
+  { ISFUNC, rl_vi_arg_digit },			/* 6 */
+  { ISFUNC, rl_vi_arg_digit },			/* 7 */
+  { ISFUNC, rl_vi_arg_digit },			/* 8 */
+  { ISFUNC, rl_vi_arg_digit },			/* 9 */
+
+  /* A little more punctuation. */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* : */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* ; */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* < */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* = */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* > */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* ? */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* @ */
+
+  /* Uppercase alphabet. */
+  { ISFUNC, rl_do_lowercase_version },		/* A */
+  { ISFUNC, rl_do_lowercase_version },		/* B */
+  { ISFUNC, rl_do_lowercase_version },		/* C */
+  { ISFUNC, rl_do_lowercase_version },		/* D */
+  { ISFUNC, rl_do_lowercase_version },		/* E */
+  { ISFUNC, rl_do_lowercase_version },		/* F */
+  { ISFUNC, rl_do_lowercase_version },		/* G */
+  { ISFUNC, rl_do_lowercase_version },		/* H */
+  { ISFUNC, rl_do_lowercase_version },		/* I */
+  { ISFUNC, rl_do_lowercase_version },		/* J */
+  { ISFUNC, rl_do_lowercase_version },		/* K */
+  { ISFUNC, rl_do_lowercase_version },		/* L */
+  { ISFUNC, rl_do_lowercase_version },		/* M */
+  { ISFUNC, rl_do_lowercase_version },		/* N */
+  { ISFUNC, rl_do_lowercase_version },		/* O */
+  { ISFUNC, rl_do_lowercase_version },		/* P */
+  { ISFUNC, rl_do_lowercase_version },		/* Q */
+  { ISFUNC, rl_do_lowercase_version },		/* R */
+  { ISFUNC, rl_do_lowercase_version },		/* S */
+  { ISFUNC, rl_do_lowercase_version },		/* T */
+  { ISFUNC, rl_do_lowercase_version },		/* U */
+  { ISFUNC, rl_do_lowercase_version },		/* V */
+  { ISFUNC, rl_do_lowercase_version },		/* W */
+  { ISFUNC, rl_do_lowercase_version },		/* X */
+  { ISFUNC, rl_do_lowercase_version },		/* Y */
+  { ISFUNC, rl_do_lowercase_version },		/* Z */
+
+  /* Some more punctuation. */
+  { ISFUNC, rl_arrow_keys },			/* [ */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* \ */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* ] */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* ^ */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* _ */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* ` */
+
+  /* Lowercase alphabet. */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* a */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* b */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* c */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* d */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* e */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* f */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* g */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* h */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* i */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* j */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* k */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* l */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* m */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* n */
+  { ISFUNC, rl_arrow_keys },			/* o */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* p */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* q */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* r */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* s */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* t */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* u */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* v */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* w */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* x */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* y */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* z */
+
+  /* Final punctuation. */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* { */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* | */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* } */
+  { ISFUNC, (rl_command_func_t *)0x0 },		/* ~ */
+  { ISFUNC, rl_backward_kill_word },		/* RUBOUT */
+
+#if KEYMAP_SIZE > 128
+  /* Undefined keys. */
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 },
+  { ISFUNC, (rl_command_func_t *)0x0 }
+#endif /* KEYMAP_SIZE > 128 */
+};
+#endif
diff --git a/readline-4.3.orig/vi_mode.c b/readline-4.3.orig/vi_mode.c
new file mode 100644
index 0000000..5d146b3
--- /dev/null
+++ b/readline-4.3.orig/vi_mode.c
@@ -0,0 +1,1485 @@
+/* vi_mode.c -- A vi emulation mode for Bash.
+   Derived from code written by Jeff Sparkes (jsparkes@bnr.ca).  */
+
+/* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc.
+
+   This file is part of the GNU Readline Library, a library for
+   reading lines of text with interactive input and history editing.
+
+   The GNU Readline Library is free software; you can redistribute it
+   and/or modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2, or
+   (at your option) any later version.
+
+   The GNU Readline Library is distributed in the hope that it will be
+   useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   The GNU General Public License is often shipped with GNU software, and
+   is generally kept in a file called COPYING or LICENSE.  If you do not
+   have a copy of the license, write to the Free Software Foundation,
+   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+#define READLINE_LIBRARY
+
+/* **************************************************************** */
+/*								    */
+/*			VI Emulation Mode			    */
+/*								    */
+/* **************************************************************** */
+#include "rlconf.h"
+
+#if defined (VI_MODE)
+
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
+
+#include <sys/types.h>
+
+#if defined (HAVE_STDLIB_H)
+#  include <stdlib.h>
+#else
+#  include "ansi_stdlib.h"
+#endif /* HAVE_STDLIB_H */
+
+#if defined (HAVE_UNISTD_H)
+#  include <unistd.h>
+#endif
+
+#include <stdio.h>
+
+/* Some standard library routines. */
+#include "rldefs.h"
+#include "rlmbutil.h"
+
+#include "readline.h"
+#include "history.h"
+
+#include "rlprivate.h"
+#include "xmalloc.h"
+
+#ifndef member
+#define member(c, s) ((c) ? (char *)strchr ((s), (c)) != (char *)NULL : 0)
+#endif
+
+/* Non-zero means enter insertion mode. */
+static int _rl_vi_doing_insert;
+
+/* Command keys which do movement for xxx_to commands. */
+static const char *vi_motion = " hl^$0ftFT;,%wbeWBE|";
+
+/* Keymap used for vi replace characters.  Created dynamically since
+   rarely used. */
+static Keymap vi_replace_map;
+
+/* The number of characters inserted in the last replace operation. */
+static int vi_replace_count;
+
+/* If non-zero, we have text inserted after a c[motion] command that put
+   us implicitly into insert mode.  Some people want this text to be
+   attached to the command so that it is `redoable' with `.'. */
+static int vi_continued_command;
+static char *vi_insert_buffer;
+static int vi_insert_buffer_size;
+
+static int _rl_vi_last_command = 'i';	/* default `.' puts you in insert mode */
+static int _rl_vi_last_repeat = 1;
+static int _rl_vi_last_arg_sign = 1;
+static int _rl_vi_last_motion;
+#if defined (HANDLE_MULTIBYTE)
+static char _rl_vi_last_search_mbchar[MB_LEN_MAX];
+#else
+static int _rl_vi_last_search_char;
+#endif
+static int _rl_vi_last_replacement;
+
+static int _rl_vi_last_key_before_insert;
+
+static int vi_redoing;
+
+/* Text modification commands.  These are the `redoable' commands. */
+static const char *vi_textmod = "_*\\AaIiCcDdPpYyRrSsXx~";
+
+/* Arrays for the saved marks. */
+static int vi_mark_chars['z' - 'a' + 1];
+
+static void _rl_vi_stuff_insert PARAMS((int));
+static void _rl_vi_save_insert PARAMS((UNDO_LIST *));
+static int rl_digit_loop1 PARAMS((void));
+
+void
+_rl_vi_initialize_line ()
+{
+  register int i;
+
+  for (i = 0; i < sizeof (vi_mark_chars) / sizeof (int); i++)
+    vi_mark_chars[i] = -1;
+}
+
+void
+_rl_vi_reset_last ()
+{
+  _rl_vi_last_command = 'i';
+  _rl_vi_last_repeat = 1;
+  _rl_vi_last_arg_sign = 1;
+  _rl_vi_last_motion = 0;
+}
+
+void
+_rl_vi_set_last (key, repeat, sign)
+     int key, repeat, sign;
+{
+  _rl_vi_last_command = key;
+  _rl_vi_last_repeat = repeat;
+  _rl_vi_last_arg_sign = sign;
+}
+
+/* Is the command C a VI mode text modification command? */
+int
+_rl_vi_textmod_command (c)
+     int c;
+{
+  return (member (c, vi_textmod));
+}
+
+static void
+_rl_vi_stuff_insert (count)
+     int count;
+{
+  rl_begin_undo_group ();
+  while (count--)
+    rl_insert_text (vi_insert_buffer);
+  rl_end_undo_group ();
+}
+
+/* Bound to `.'.  Called from command mode, so we know that we have to
+   redo a text modification command.  The default for _rl_vi_last_command
+   puts you back into insert mode. */
+int
+rl_vi_redo (count, c)
+     int count, c;
+{
+  int r;
+
+  if (!rl_explicit_arg)
+    {
+      rl_numeric_arg = _rl_vi_last_repeat;
+      rl_arg_sign = _rl_vi_last_arg_sign;
+    }
+
+  r = 0;
+  vi_redoing = 1;
+  /* If we're redoing an insert with `i', stuff in the inserted text
+     and do not go into insertion mode. */
+  if (_rl_vi_last_command == 'i' && vi_insert_buffer && *vi_insert_buffer)
+    {
+      _rl_vi_stuff_insert (count);
+      /* And back up point over the last character inserted. */
+      if (rl_point > 0)
+	rl_point--;
+    }
+  else
+    r = _rl_dispatch (_rl_vi_last_command, _rl_keymap);
+  vi_redoing = 0;
+
+  return (r);
+}
+
+/* A placeholder for further expansion. */
+int
+rl_vi_undo (count, key)
+     int count, key;
+{
+  return (rl_undo_command (count, key));
+}
+    
+/* Yank the nth arg from the previous line into this line at point. */
+int
+rl_vi_yank_arg (count, key)
+     int count, key;
+{
+  /* Readline thinks that the first word on a line is the 0th, while vi
+     thinks the first word on a line is the 1st.  Compensate. */
+  if (rl_explicit_arg)
+    rl_yank_nth_arg (count - 1, 0);
+  else
+    rl_yank_nth_arg ('$', 0);
+
+  return (0);
+}
+
+/* With an argument, move back that many history lines, else move to the
+   beginning of history. */
+int
+rl_vi_fetch_history (count, c)
+     int count, c;
+{
+  int wanted;
+
+  /* Giving an argument of n means we want the nth command in the history
+     file.  The command number is interpreted the same way that the bash
+     `history' command does it -- that is, giving an argument count of 450
+     to this command would get the command listed as number 450 in the
+     output of `history'. */
+  if (rl_explicit_arg)
+    {
+      wanted = history_base + where_history () - count;
+      if (wanted <= 0)
+        rl_beginning_of_history (0, 0);
+      else
+        rl_get_previous_history (wanted, c);
+    }
+  else
+    rl_beginning_of_history (count, 0);
+  return (0);
+}
+
+/* Search again for the last thing searched for. */
+int
+rl_vi_search_again (count, key)
+     int count, key;
+{
+  switch (key)
+    {
+    case 'n':
+      rl_noninc_reverse_search_again (count, key);
+      break;
+
+    case 'N':
+      rl_noninc_forward_search_again (count, key);
+      break;
+    }
+  return (0);
+}
+
+/* Do a vi style search. */
+int
+rl_vi_search (count, key)
+     int count, key;
+{
+  switch (key)
+    {
+    case '?':
+      rl_noninc_forward_search (count, key);
+      break;
+
+    case '/':
+      rl_noninc_reverse_search (count, key);
+      break;
+
+    default:
+      rl_ding ();
+      break;
+    }
+  return (0);
+}
+
+/* Completion, from vi's point of view. */
+int
+rl_vi_complete (ignore, key)
+     int ignore, key;
+{
+  if ((rl_point < rl_end) && (!whitespace (rl_line_buffer[rl_point])))
+    {
+      if (!whitespace (rl_line_buffer[rl_point + 1]))
+	rl_vi_end_word (1, 'E');
+      rl_point++;
+    }
+
+  if (key == '*')
+    rl_complete_internal ('*');	/* Expansion and replacement. */
+  else if (key == '=')
+    rl_complete_internal ('?');	/* List possible completions. */
+  else if (key == '\\')
+    rl_complete_internal (TAB);	/* Standard Readline completion. */
+  else
+    rl_complete (0, key);
+
+  if (key == '*' || key == '\\')
+    {
+      _rl_vi_set_last (key, 1, rl_arg_sign);
+      rl_vi_insertion_mode (1, key);
+    }
+  return (0);
+}
+
+/* Tilde expansion for vi mode. */
+int
+rl_vi_tilde_expand (ignore, key)
+     int ignore, key;
+{
+  rl_tilde_expand (0, key);
+  _rl_vi_set_last (key, 1, rl_arg_sign);	/* XXX */
+  rl_vi_insertion_mode (1, key);
+  return (0);
+}
+
+/* Previous word in vi mode. */
+int
+rl_vi_prev_word (count, key)
+     int count, key;
+{
+  if (count < 0)
+    return (rl_vi_next_word (-count, key));
+
+  if (rl_point == 0)
+    {
+      rl_ding ();
+      return (0);
+    }
+
+  if (_rl_uppercase_p (key))
+    rl_vi_bWord (count, key);
+  else
+    rl_vi_bword (count, key);
+
+  return (0);
+}
+
+/* Next word in vi mode. */
+int
+rl_vi_next_word (count, key)
+     int count, key;
+{
+  if (count < 0)
+    return (rl_vi_prev_word (-count, key));
+
+  if (rl_point >= (rl_end - 1))
+    {
+      rl_ding ();
+      return (0);
+    }
+
+  if (_rl_uppercase_p (key))
+    rl_vi_fWord (count, key);
+  else
+    rl_vi_fword (count, key);
+  return (0);
+}
+
+/* Move to the end of the ?next? word. */
+int
+rl_vi_end_word (count, key)
+     int count, key;
+{
+  if (count < 0)
+    {
+      rl_ding ();
+      return -1;
+    }
+
+  if (_rl_uppercase_p (key))
+    rl_vi_eWord (count, key);
+  else
+    rl_vi_eword (count, key);
+  return (0);
+}
+
+/* Move forward a word the way that 'W' does. */
+int
+rl_vi_fWord (count, ignore)
+     int count, ignore;
+{
+  while (count-- && rl_point < (rl_end - 1))
+    {
+      /* Skip until whitespace. */
+      while (!whitespace (rl_line_buffer[rl_point]) && rl_point < rl_end)
+	rl_point++;
+
+      /* Now skip whitespace. */
+      while (whitespace (rl_line_buffer[rl_point]) && rl_point < rl_end)
+	rl_point++;
+    }
+  return (0);
+}
+
+int
+rl_vi_bWord (count, ignore)
+     int count, ignore;
+{
+  while (count-- && rl_point > 0)
+    {
+      /* If we are at the start of a word, move back to whitespace so
+	 we will go back to the start of the previous word. */
+      if (!whitespace (rl_line_buffer[rl_point]) &&
+	  whitespace (rl_line_buffer[rl_point - 1]))
+	rl_point--;
+
+      while (rl_point > 0 && whitespace (rl_line_buffer[rl_point]))
+	rl_point--;
+
+      if (rl_point > 0)
+	{
+	  while (--rl_point >= 0 && !whitespace (rl_line_buffer[rl_point]));
+	  rl_point++;
+	}
+    }
+  return (0);
+}
+
+int
+rl_vi_eWord (count, ignore)
+     int count, ignore;
+{
+  while (count-- && rl_point < (rl_end - 1))
+    {
+      if (!whitespace (rl_line_buffer[rl_point]))
+	rl_point++;
+
+      /* Move to the next non-whitespace character (to the start of the
+	 next word). */
+      while (++rl_point < rl_end && whitespace (rl_line_buffer[rl_point]));
+
+      if (rl_point && rl_point < rl_end)
+	{
+	  /* Skip whitespace. */
+	  while (rl_point < rl_end && whitespace (rl_line_buffer[rl_point]))
+	    rl_point++;
+
+	  /* Skip until whitespace. */
+	  while (rl_point < rl_end && !whitespace (rl_line_buffer[rl_point]))
+	    rl_point++;
+
+	  /* Move back to the last character of the word. */
+	  rl_point--;
+	}
+    }
+  return (0);
+}
+
+int
+rl_vi_fword (count, ignore)
+     int count, ignore;
+{
+  while (count-- && rl_point < (rl_end - 1))
+    {
+      /* Move to white space (really non-identifer). */
+      if (_rl_isident (rl_line_buffer[rl_point]))
+	{
+	  while (_rl_isident (rl_line_buffer[rl_point]) && rl_point < rl_end)
+	    rl_point++;
+	}
+      else /* if (!whitespace (rl_line_buffer[rl_point])) */
+	{
+	  while (!_rl_isident (rl_line_buffer[rl_point]) &&
+		 !whitespace (rl_line_buffer[rl_point]) && rl_point < rl_end)
+	    rl_point++;
+	}
+
+      /* Move past whitespace. */
+      while (whitespace (rl_line_buffer[rl_point]) && rl_point < rl_end)
+	rl_point++;
+    }
+  return (0);
+}
+
+int
+rl_vi_bword (count, ignore)
+     int count, ignore;
+{
+  while (count-- && rl_point > 0)
+    {
+      int last_is_ident;
+
+      /* If we are at the start of a word, move back to whitespace
+	 so we will go back to the start of the previous word. */
+      if (!whitespace (rl_line_buffer[rl_point]) &&
+	  whitespace (rl_line_buffer[rl_point - 1]))
+	rl_point--;
+
+      /* If this character and the previous character are `opposite', move
+	 back so we don't get messed up by the rl_point++ down there in
+	 the while loop.  Without this code, words like `l;' screw up the
+	 function. */
+      last_is_ident = _rl_isident (rl_line_buffer[rl_point - 1]);
+      if ((_rl_isident (rl_line_buffer[rl_point]) && !last_is_ident) ||
+	  (!_rl_isident (rl_line_buffer[rl_point]) && last_is_ident))
+	rl_point--;
+
+      while (rl_point > 0 && whitespace (rl_line_buffer[rl_point]))
+	rl_point--;
+
+      if (rl_point > 0)
+	{
+	  if (_rl_isident (rl_line_buffer[rl_point]))
+	    while (--rl_point >= 0 && _rl_isident (rl_line_buffer[rl_point]));
+	  else
+	    while (--rl_point >= 0 && !_rl_isident (rl_line_buffer[rl_point]) &&
+		   !whitespace (rl_line_buffer[rl_point]));
+	  rl_point++;
+	}
+    }
+  return (0);
+}
+
+int
+rl_vi_eword (count, ignore)
+     int count, ignore;
+{
+  while (count-- && rl_point < rl_end - 1)
+    {
+      if (!whitespace (rl_line_buffer[rl_point]))
+	rl_point++;
+
+      while (rl_point < rl_end && whitespace (rl_line_buffer[rl_point]))
+	rl_point++;
+
+      if (rl_point < rl_end)
+	{
+	  if (_rl_isident (rl_line_buffer[rl_point]))
+	    while (++rl_point < rl_end && _rl_isident (rl_line_buffer[rl_point]));
+	  else
+	    while (++rl_point < rl_end && !_rl_isident (rl_line_buffer[rl_point])
+		   && !whitespace (rl_line_buffer[rl_point]));
+	}
+      rl_point--;
+    }
+  return (0);
+}
+
+int
+rl_vi_insert_beg (count, key)
+     int count, key;
+{
+  rl_beg_of_line (1, key);
+  rl_vi_insertion_mode (1, key);
+  return (0);
+}
+
+int
+rl_vi_append_mode (count, key)
+     int count, key;
+{
+  if (rl_point < rl_end)
+    {
+      if (MB_CUR_MAX == 1 || rl_byte_oriented)
+	rl_point++;
+      else
+        {
+          int point = rl_point;
+          rl_forward_char (1, key);
+          if (point == rl_point)
+            rl_point = rl_end;
+        }
+    }
+  rl_vi_insertion_mode (1, key);
+  return (0);
+}
+
+int
+rl_vi_append_eol (count, key)
+     int count, key;
+{
+  rl_end_of_line (1, key);
+  rl_vi_append_mode (1, key);
+  return (0);
+}
+
+/* What to do in the case of C-d. */
+int
+rl_vi_eof_maybe (count, c)
+     int count, c;
+{
+  return (rl_newline (1, '\n'));
+}
+
+/* Insertion mode stuff. */
+
+/* Switching from one mode to the other really just involves
+   switching keymaps. */
+int
+rl_vi_insertion_mode (count, key)
+     int count, key;
+{
+  _rl_keymap = vi_insertion_keymap;
+  _rl_vi_last_key_before_insert = key;
+  return (0);
+}
+
+static void
+_rl_vi_save_insert (up)
+      UNDO_LIST *up;
+{
+  int len, start, end;
+
+  if (up == 0)
+    {
+      if (vi_insert_buffer_size >= 1)
+	vi_insert_buffer[0] = '\0';
+      return;
+    }
+
+  start = up->start;
+  end = up->end;
+  len = end - start + 1;
+  if (len >= vi_insert_buffer_size)
+    {
+      vi_insert_buffer_size += (len + 32) - (len % 32);
+      vi_insert_buffer = (char *)xrealloc (vi_insert_buffer, vi_insert_buffer_size);
+    }
+  strncpy (vi_insert_buffer, rl_line_buffer + start, len - 1);
+  vi_insert_buffer[len-1] = '\0';
+}
+    
+void
+_rl_vi_done_inserting ()
+{
+  if (_rl_vi_doing_insert)
+    {
+      /* The `C', `s', and `S' commands set this. */
+      rl_end_undo_group ();
+      /* Now, the text between rl_undo_list->next->start and
+	 rl_undo_list->next->end is what was inserted while in insert
+	 mode.  It gets copied to VI_INSERT_BUFFER because it depends
+	 on absolute indices into the line which may change (though they
+	 probably will not). */
+      _rl_vi_doing_insert = 0;
+      _rl_vi_save_insert (rl_undo_list->next);
+      vi_continued_command = 1;
+    }
+  else
+    {
+      if (_rl_vi_last_key_before_insert == 'i' && rl_undo_list)
+        _rl_vi_save_insert (rl_undo_list);
+      /* XXX - Other keys probably need to be checked. */
+      else if (_rl_vi_last_key_before_insert == 'C')
+	rl_end_undo_group ();
+      while (_rl_undo_group_level > 0)
+	rl_end_undo_group ();
+      vi_continued_command = 0;
+    }
+}
+
+int
+rl_vi_movement_mode (count, key)
+     int count, key;
+{
+  if (rl_point > 0)
+    rl_backward_char (1, key);
+
+  _rl_keymap = vi_movement_keymap;
+  _rl_vi_done_inserting ();
+  return (0);
+}
+
+int
+rl_vi_arg_digit (count, c)
+     int count, c;
+{
+  if (c == '0' && rl_numeric_arg == 1 && !rl_explicit_arg)
+    return (rl_beg_of_line (1, c));
+  else
+    return (rl_digit_argument (count, c));
+}
+
+/* Change the case of the next COUNT characters. */
+#if defined (HANDLE_MULTIBYTE)
+static int
+_rl_vi_change_mbchar_case (count)
+     int count;
+{
+  wchar_t wc;
+  char mb[MB_LEN_MAX];
+  mbstate_t ps;
+
+  memset (&ps, 0, sizeof (mbstate_t));
+  if (_rl_adjust_point (rl_line_buffer, rl_point, &ps) > 0)
+    count--;
+  while (count-- && rl_point < rl_end)
+    {
+      mbrtowc (&wc, rl_line_buffer + rl_point, rl_end - rl_point, &ps);
+      if (iswupper (wc))
+	wc = towlower (wc);
+      else if (iswlower (wc))
+	wc = towupper (wc);
+      else
+	{
+	  /* Just skip over chars neither upper nor lower case */
+	  rl_forward_char (1, 0);
+	  continue;
+	}
+
+      /* Vi is kind of strange here. */
+      if (wc)
+	{
+	  wctomb (mb, wc);
+	  rl_begin_undo_group ();
+	  rl_delete (1, 0);
+	  rl_insert_text (mb);
+	  rl_end_undo_group ();
+	  rl_vi_check ();
+	}
+      else
+        rl_forward_char (1, 0);
+    }
+
+  return 0;
+}
+#endif
+
+int
+rl_vi_change_case (count, ignore)
+     int count, ignore;
+{
+  char c = 0;
+
+  /* Don't try this on an empty line. */
+  if (rl_point >= rl_end)
+    return (0);
+
+#if defined (HANDLE_MULTIBYTE)
+  if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+    return (_rl_vi_change_mbchar_case (count));
+#endif
+
+  while (count-- && rl_point < rl_end)
+    {
+      if (_rl_uppercase_p (rl_line_buffer[rl_point]))
+	c = _rl_to_lower (rl_line_buffer[rl_point]);
+      else if (_rl_lowercase_p (rl_line_buffer[rl_point]))
+	c = _rl_to_upper (rl_line_buffer[rl_point]);
+      else
+	{
+	  /* Just skip over characters neither upper nor lower case. */
+	  rl_forward_char (1, c);
+	  continue;
+	}
+
+      /* Vi is kind of strange here. */
+      if (c)
+	{
+	  rl_begin_undo_group ();
+	  rl_delete (1, c);
+	  _rl_insert_char (1, c);
+	  rl_end_undo_group ();
+	  rl_vi_check ();
+        }
+      else
+	rl_forward_char (1, c);
+    }
+  return (0);
+}
+
+int
+rl_vi_put (count, key)
+     int count, key;
+{
+  if (!_rl_uppercase_p (key) && (rl_point + 1 <= rl_end))
+    rl_point = _rl_find_next_mbchar (rl_line_buffer, rl_point, 1, MB_FIND_NONZERO);
+
+  rl_yank (1, key);
+  rl_backward_char (1, key);
+  return (0);
+}
+
+int
+rl_vi_check ()
+{
+  if (rl_point && rl_point == rl_end)
+    {
+      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	rl_point = _rl_find_prev_mbchar (rl_line_buffer, rl_point, MB_FIND_NONZERO);
+      else
+        rl_point--;
+    }
+  return (0);
+}
+
+int
+rl_vi_column (count, key)
+     int count, key;
+{
+  if (count > rl_end)
+    rl_end_of_line (1, key);
+  else
+    rl_point = count - 1;
+  return (0);
+}
+
+int
+rl_vi_domove (key, nextkey)
+     int key, *nextkey;
+{
+  int c, save;
+  int old_end;
+
+  rl_mark = rl_point;
+  RL_SETSTATE(RL_STATE_MOREINPUT);
+  c = rl_read_key ();
+  RL_UNSETSTATE(RL_STATE_MOREINPUT);
+  *nextkey = c;
+
+  if (!member (c, vi_motion))
+    {
+      if (_rl_digit_p (c))
+	{
+	  save = rl_numeric_arg;
+	  rl_numeric_arg = _rl_digit_value (c);
+	  rl_digit_loop1 ();
+	  rl_numeric_arg *= save;
+	  RL_SETSTATE(RL_STATE_MOREINPUT);
+	  c = rl_read_key ();	/* real command */
+	  RL_UNSETSTATE(RL_STATE_MOREINPUT);
+	  *nextkey = c;
+	}
+      else if (key == c && (key == 'd' || key == 'y' || key == 'c'))
+	{
+	  rl_mark = rl_end;
+	  rl_beg_of_line (1, c);
+	  _rl_vi_last_motion = c;
+	  return (0);
+	}
+      else
+	return (-1);
+    }
+
+  _rl_vi_last_motion = c;
+
+  /* Append a blank character temporarily so that the motion routines
+     work right at the end of the line. */
+  old_end = rl_end;
+  rl_line_buffer[rl_end++] = ' ';
+  rl_line_buffer[rl_end] = '\0';
+
+  _rl_dispatch (c, _rl_keymap);
+
+  /* Remove the blank that we added. */
+  rl_end = old_end;
+  rl_line_buffer[rl_end] = '\0';
+  if (rl_point > rl_end)
+    rl_point = rl_end;
+
+  /* No change in position means the command failed. */
+  if (rl_mark == rl_point)
+    return (-1);
+
+  /* rl_vi_f[wW]ord () leaves the cursor on the first character of the next
+     word.  If we are not at the end of the line, and we are on a
+     non-whitespace character, move back one (presumably to whitespace). */
+  if ((_rl_to_upper (c) == 'W') && rl_point < rl_end && rl_point > rl_mark &&
+      !whitespace (rl_line_buffer[rl_point]))
+    rl_point--;
+
+  /* If cw or cW, back up to the end of a word, so the behaviour of ce
+     or cE is the actual result.  Brute-force, no subtlety. */
+  if (key == 'c' && rl_point >= rl_mark && (_rl_to_upper (c) == 'W'))
+    {
+      /* Don't move farther back than where we started. */
+      while (rl_point > rl_mark && whitespace (rl_line_buffer[rl_point]))
+	rl_point--;
+
+      /* Posix.2 says that if cw or cW moves the cursor towards the end of
+	 the line, the character under the cursor should be deleted. */
+      if (rl_point == rl_mark)
+        rl_point++;
+      else
+	{
+	  /* Move past the end of the word so that the kill doesn't
+	     remove the last letter of the previous word.  Only do this
+	     if we are not at the end of the line. */
+	  if (rl_point >= 0 && rl_point < (rl_end - 1) && !whitespace (rl_line_buffer[rl_point]))
+	    rl_point++;
+	}
+    }
+
+  if (rl_mark < rl_point)
+    SWAP (rl_point, rl_mark);
+
+  return (0);
+}
+
+/* A simplified loop for vi. Don't dispatch key at end.
+   Don't recognize minus sign?
+   Should this do rl_save_prompt/rl_restore_prompt? */
+static int
+rl_digit_loop1 ()
+{
+  int key, c;
+
+  RL_SETSTATE(RL_STATE_NUMERICARG);
+  while (1)
+    {
+      if (rl_numeric_arg > 1000000)
+	{
+	  rl_explicit_arg = rl_numeric_arg = 0;
+	  rl_ding ();
+	  rl_clear_message ();
+	  RL_UNSETSTATE(RL_STATE_NUMERICARG);
+	  return 1;
+	}
+      rl_message ("(arg: %d) ", rl_arg_sign * rl_numeric_arg);
+      RL_SETSTATE(RL_STATE_MOREINPUT);
+      key = c = rl_read_key ();
+      RL_UNSETSTATE(RL_STATE_MOREINPUT);
+
+      if (c >= 0 && _rl_keymap[c].type == ISFUNC &&
+	  _rl_keymap[c].function == rl_universal_argument)
+	{
+	  rl_numeric_arg *= 4;
+	  continue;
+	}
+
+      c = UNMETA (c);
+      if (_rl_digit_p (c))
+	{
+	  if (rl_explicit_arg)
+	    rl_numeric_arg = (rl_numeric_arg * 10) + _rl_digit_value (c);
+	  else
+	    rl_numeric_arg = _rl_digit_value (c);
+	  rl_explicit_arg = 1;
+	}
+      else
+	{
+	  rl_clear_message ();
+	  rl_stuff_char (key);
+	  break;
+	}
+    }
+
+  RL_UNSETSTATE(RL_STATE_NUMERICARG);
+  return (0);
+}
+
+int
+rl_vi_delete_to (count, key)
+     int count, key;
+{
+  int c;
+
+  if (_rl_uppercase_p (key))
+    rl_stuff_char ('$');
+  else if (vi_redoing)
+    rl_stuff_char (_rl_vi_last_motion);
+
+  if (rl_vi_domove (key, &c))
+    {
+      rl_ding ();
+      return -1;
+    }
+
+  /* These are the motion commands that do not require adjusting the
+     mark. */
+  if ((strchr (" l|h^0bB", c) == 0) && (rl_mark < rl_end))
+    rl_mark++;
+
+  rl_kill_text (rl_point, rl_mark);
+  return (0);
+}
+
+int
+rl_vi_change_to (count, key)
+     int count, key;
+{
+  int c, start_pos;
+
+  if (_rl_uppercase_p (key))
+    rl_stuff_char ('$');
+  else if (vi_redoing)
+    rl_stuff_char (_rl_vi_last_motion);
+
+  start_pos = rl_point;
+
+  if (rl_vi_domove (key, &c))
+    {
+      rl_ding ();
+      return -1;
+    }
+
+  /* These are the motion commands that do not require adjusting the
+     mark.  c[wW] are handled by special-case code in rl_vi_domove(),
+     and already leave the mark at the correct location. */
+  if ((strchr (" l|hwW^0bB", c) == 0) && (rl_mark < rl_end))
+    rl_mark++;
+
+  /* The cursor never moves with c[wW]. */
+  if ((_rl_to_upper (c) == 'W') && rl_point < start_pos)
+    rl_point = start_pos;
+
+  if (vi_redoing)
+    {
+      if (vi_insert_buffer && *vi_insert_buffer)
+	rl_begin_undo_group ();
+      rl_delete_text (rl_point, rl_mark);
+      if (vi_insert_buffer && *vi_insert_buffer)
+	{
+	  rl_insert_text (vi_insert_buffer);
+	  rl_end_undo_group ();
+	}
+    }
+  else
+    {
+      rl_begin_undo_group ();		/* to make the `u' command work */
+      rl_kill_text (rl_point, rl_mark);
+      /* `C' does not save the text inserted for undoing or redoing. */
+      if (_rl_uppercase_p (key) == 0)
+        _rl_vi_doing_insert = 1;
+      _rl_vi_set_last (key, count, rl_arg_sign);
+      rl_vi_insertion_mode (1, key);
+    }
+
+  return (0);
+}
+
+int
+rl_vi_yank_to (count, key)
+     int count, key;
+{
+  int c, save = rl_point;
+
+  if (_rl_uppercase_p (key))
+    rl_stuff_char ('$');
+
+  if (rl_vi_domove (key, &c))
+    {
+      rl_ding ();
+      return -1;
+    }
+
+  /* These are the motion commands that do not require adjusting the
+     mark. */
+  if ((strchr (" l|h^0%bB", c) == 0) && (rl_mark < rl_end))
+    rl_mark++;
+
+  rl_begin_undo_group ();
+  rl_kill_text (rl_point, rl_mark);
+  rl_end_undo_group ();
+  rl_do_undo ();
+  rl_point = save;
+
+  return (0);
+}
+
+int
+rl_vi_delete (count, key)
+     int count, key;
+{
+  int end;
+
+  if (rl_end == 0)
+    {
+      rl_ding ();
+      return -1;
+    }
+
+  if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+    end = _rl_find_next_mbchar (rl_line_buffer, rl_point, count, MB_FIND_NONZERO);
+  else
+    end = rl_point + count;
+
+  if (end >= rl_end)
+    end = rl_end;
+
+  rl_kill_text (rl_point, end);
+  
+  if (rl_point > 0 && rl_point == rl_end)
+    rl_backward_char (1, key);
+  return (0);
+}
+
+int
+rl_vi_back_to_indent (count, key)
+     int count, key;
+{
+  rl_beg_of_line (1, key);
+  while (rl_point < rl_end && whitespace (rl_line_buffer[rl_point]))
+    rl_point++;
+  return (0);
+}
+
+int
+rl_vi_first_print (count, key)
+     int count, key;
+{
+  return (rl_vi_back_to_indent (1, key));
+}
+
+int
+rl_vi_char_search (count, key)
+     int count, key;
+{
+#if defined (HANDLE_MULTIBYTE)
+  static char *target;
+  static int mb_len;
+#else
+  static char target;
+#endif
+  static int orig_dir, dir;
+
+  if (key == ';' || key == ',')
+    dir = key == ';' ? orig_dir : -orig_dir;
+  else
+    {
+      if (vi_redoing)
+#if defined (HANDLE_MULTIBYTE)
+	target = _rl_vi_last_search_mbchar;
+#else
+	target = _rl_vi_last_search_char;
+#endif
+      else
+	{
+#if defined (HANDLE_MULTIBYTE)
+	  mb_len = _rl_read_mbchar (_rl_vi_last_search_mbchar, MB_LEN_MAX);
+	  target = _rl_vi_last_search_mbchar;
+#else
+	  RL_SETSTATE(RL_STATE_MOREINPUT);
+	  _rl_vi_last_search_char = target = rl_read_key ();
+	  RL_UNSETSTATE(RL_STATE_MOREINPUT);
+#endif
+	}
+
+      switch (key)
+        {
+        case 't':
+          orig_dir = dir = FTO;
+          break;
+
+        case 'T':
+          orig_dir = dir = BTO;
+          break;
+
+        case 'f':
+          orig_dir = dir = FFIND;
+          break;
+
+        case 'F':
+          orig_dir = dir = BFIND;
+          break;
+        }
+    }
+
+#if defined (HANDLE_MULTIBYTE)
+   return (_rl_char_search_internal (count, dir, target, mb_len));
+#else
+  return (_rl_char_search_internal (count, dir, target));
+#endif
+}
+
+/* Match brackets */
+int
+rl_vi_match (ignore, key)
+     int ignore, key;
+{
+  int count = 1, brack, pos, tmp, pre;
+
+  pos = rl_point;
+  if ((brack = rl_vi_bracktype (rl_line_buffer[rl_point])) == 0)
+    {
+      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	{
+	  while ((brack = rl_vi_bracktype (rl_line_buffer[rl_point])) == 0)
+	    {
+	      pre = rl_point;
+	      rl_forward_char (1, key);
+	      if (pre == rl_point)
+	        break;
+	    }
+	}
+      else
+	while ((brack = rl_vi_bracktype (rl_line_buffer[rl_point])) == 0 &&
+		rl_point < rl_end - 1)
+	  rl_forward_char (1, key);
+
+      if (brack <= 0)
+	{
+	  rl_point = pos;
+	  rl_ding ();
+	  return -1;
+	}
+    }
+
+  pos = rl_point;
+
+  if (brack < 0)
+    {
+      while (count)
+	{
+	  tmp = pos;
+	  if (MB_CUR_MAX == 1 || rl_byte_oriented)
+	    pos--;
+	  else
+	    {
+	      pos = _rl_find_prev_mbchar (rl_line_buffer, pos, MB_FIND_ANY);
+	      if (tmp == pos)
+	        pos--;
+	    }
+	  if (pos >= 0)
+	    {
+	      int b = rl_vi_bracktype (rl_line_buffer[pos]);
+	      if (b == -brack)
+		count--;
+	      else if (b == brack)
+		count++;
+	    }
+	  else
+	    {
+	      rl_ding ();
+	      return -1;
+	    }
+	}
+    }
+  else
+    {			/* brack > 0 */
+      while (count)
+	{
+	  if (MB_CUR_MAX == 1 || rl_byte_oriented)
+	    pos++;
+	  else
+	    pos = _rl_find_next_mbchar (rl_line_buffer, pos, 1, MB_FIND_ANY);
+
+	  if (pos < rl_end)
+	    {
+	      int b = rl_vi_bracktype (rl_line_buffer[pos]);
+	      if (b == -brack)
+		count--;
+	      else if (b == brack)
+		count++;
+	    }
+	  else
+	    {
+	      rl_ding ();
+	      return -1;
+	    }
+	}
+    }
+  rl_point = pos;
+  return (0);
+}
+
+int
+rl_vi_bracktype (c)
+     int c;
+{
+  switch (c)
+    {
+    case '(': return  1;
+    case ')': return -1;
+    case '[': return  2;
+    case ']': return -2;
+    case '{': return  3;
+    case '}': return -3;
+    default:  return  0;
+    }
+}
+
+/* XXX - think about reading an entire mbchar with _rl_read_mbchar and
+   inserting it in one bunch instead of the loop below (like in
+   rl_vi_char_search or _rl_vi_change_mbchar_case.  Set c to mbchar[0]
+   for test against 033 or ^C.  Make sure that _rl_read_mbchar does
+   this right. */
+int
+rl_vi_change_char (count, key)
+     int count, key;
+{
+  int c;
+
+  if (vi_redoing)
+    c = _rl_vi_last_replacement;
+  else
+    {
+      RL_SETSTATE(RL_STATE_MOREINPUT);
+      _rl_vi_last_replacement = c = rl_read_key ();
+      RL_UNSETSTATE(RL_STATE_MOREINPUT);
+    }
+
+  if (c == '\033' || c == CTRL ('C'))
+    return -1;
+
+  while (count-- && rl_point < rl_end)
+    {
+      rl_begin_undo_group ();
+
+      rl_delete (1, c);
+#if defined (HANDLE_MULTIBYTE)
+      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	while (_rl_insert_char (1, c))
+	  {
+	    RL_SETSTATE (RL_STATE_MOREINPUT);
+	    c = rl_read_key ();
+	    RL_UNSETSTATE (RL_STATE_MOREINPUT);
+	  }
+      else
+#endif
+	_rl_insert_char (1, c);
+      if (count == 0)
+	rl_backward_char (1, c);
+
+      rl_end_undo_group ();
+    }
+  return (0);
+}
+
+int
+rl_vi_subst (count, key)
+     int count, key;
+{
+  /* If we are redoing, rl_vi_change_to will stuff the last motion char */
+  if (vi_redoing == 0)
+    rl_stuff_char ((key == 'S') ? 'c' : ' ');	/* `S' == `cc', `s' == `c ' */
+
+  return (rl_vi_change_to (count, 'c'));
+}
+
+int
+rl_vi_overstrike (count, key)
+     int count, key;
+{
+  if (_rl_vi_doing_insert == 0)
+    {
+      _rl_vi_doing_insert = 1;
+      rl_begin_undo_group ();
+    }
+
+  if (count > 0)
+    {
+      _rl_overwrite_char (count, key);
+      vi_replace_count += count;
+    }
+
+  return (0);
+}
+
+int
+rl_vi_overstrike_delete (count, key)
+     int count, key;
+{
+  int i, s;
+
+  for (i = 0; i < count; i++)
+    {
+      if (vi_replace_count == 0)
+	{
+	  rl_ding ();
+	  break;
+	}
+      s = rl_point;
+
+      if (rl_do_undo ())
+	vi_replace_count--;
+
+      if (rl_point == s)
+	rl_backward_char (1, key);
+    }
+
+  if (vi_replace_count == 0 && _rl_vi_doing_insert)
+    {
+      rl_end_undo_group ();
+      rl_do_undo ();
+      _rl_vi_doing_insert = 0;
+    }
+  return (0);
+}
+
+int
+rl_vi_replace (count, key)
+     int count, key;
+{
+  int i;
+
+  vi_replace_count = 0;
+
+  if (!vi_replace_map)
+    {
+      vi_replace_map = rl_make_bare_keymap ();
+
+      for (i = ' '; i < KEYMAP_SIZE; i++)
+	vi_replace_map[i].function = rl_vi_overstrike;
+
+      vi_replace_map[RUBOUT].function = rl_vi_overstrike_delete;
+      vi_replace_map[ESC].function = rl_vi_movement_mode;
+      vi_replace_map[RETURN].function = rl_newline;
+      vi_replace_map[NEWLINE].function = rl_newline;
+
+      /* If the normal vi insertion keymap has ^H bound to erase, do the
+         same here.  Probably should remove the assignment to RUBOUT up
+         there, but I don't think it will make a difference in real life. */
+      if (vi_insertion_keymap[CTRL ('H')].type == ISFUNC &&
+	  vi_insertion_keymap[CTRL ('H')].function == rl_rubout)
+	vi_replace_map[CTRL ('H')].function = rl_vi_overstrike_delete;
+
+    }
+  _rl_keymap = vi_replace_map;
+  return (0);
+}
+
+#if 0
+/* Try to complete the word we are standing on or the word that ends with
+   the previous character.  A space matches everything.  Word delimiters are
+   space and ;. */
+int
+rl_vi_possible_completions()
+{
+  int save_pos = rl_point;
+
+  if (rl_line_buffer[rl_point] != ' ' && rl_line_buffer[rl_point] != ';')
+    {
+      while (rl_point < rl_end && rl_line_buffer[rl_point] != ' ' &&
+	     rl_line_buffer[rl_point] != ';')
+	rl_point++;
+    }
+  else if (rl_line_buffer[rl_point - 1] == ';')
+    {
+      rl_ding ();
+      return (0);
+    }
+
+  rl_possible_completions ();
+  rl_point = save_pos;
+
+  return (0);
+}
+#endif
+
+/* Functions to save and restore marks. */
+int
+rl_vi_set_mark (count, key)
+     int count, key;
+{
+  int ch;
+
+  RL_SETSTATE(RL_STATE_MOREINPUT);
+  ch = rl_read_key ();
+  RL_UNSETSTATE(RL_STATE_MOREINPUT);
+
+  if (ch < 'a' || ch > 'z')
+    {
+      rl_ding ();
+      return -1;
+    }
+  ch -= 'a';
+  vi_mark_chars[ch] = rl_point;
+  return 0;
+}
+
+int
+rl_vi_goto_mark (count, key)
+     int count, key;
+{
+  int ch;
+
+  RL_SETSTATE(RL_STATE_MOREINPUT);
+  ch = rl_read_key ();
+  RL_UNSETSTATE(RL_STATE_MOREINPUT);
+
+  if (ch == '`')
+    {
+      rl_point = rl_mark;
+      return 0;
+    }
+  else if (ch < 'a' || ch > 'z')
+    {
+      rl_ding ();
+      return -1;
+    }
+
+  ch -= 'a';
+  if (vi_mark_chars[ch] == -1)
+    {
+      rl_ding ();
+      return -1;
+    }
+  rl_point = vi_mark_chars[ch];
+  return 0;
+}
+
+#endif /* VI_MODE */
diff --git a/readline-4.3.orig/xmalloc.c b/readline-4.3.orig/xmalloc.c
new file mode 100644
index 0000000..8985d34
--- /dev/null
+++ b/readline-4.3.orig/xmalloc.c
@@ -0,0 +1,88 @@
+/* xmalloc.c -- safe versions of malloc and realloc */
+
+/* Copyright (C) 1991 Free Software Foundation, Inc.
+
+   This file is part of GNU Readline, a library for reading lines
+   of text with interactive input and history editing.
+
+   Readline is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+
+   Readline is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with Readline; see the file COPYING.  If not, write to the Free
+   Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+#define READLINE_LIBRARY
+
+#if defined (HAVE_CONFIG_H)
+#include <config.h>
+#endif
+
+#include <stdio.h>
+
+#if defined (HAVE_STDLIB_H)
+#  include <stdlib.h>
+#else
+#  include "ansi_stdlib.h"
+#endif /* HAVE_STDLIB_H */
+
+#include "xmalloc.h"
+
+/* **************************************************************** */
+/*								    */
+/*		   Memory Allocation and Deallocation.		    */
+/*								    */
+/* **************************************************************** */
+
+static void
+memory_error_and_abort (fname)
+     char *fname;
+{
+  fprintf (stderr, "%s: out of virtual memory\n", fname);
+  exit (2);
+}
+
+/* Return a pointer to free()able block of memory large enough
+   to hold BYTES number of bytes.  If the memory cannot be allocated,
+   print an error message and abort. */
+PTR_T
+xmalloc (bytes)
+     size_t bytes;
+{
+  PTR_T temp;
+
+  temp = malloc (bytes);
+  if (temp == 0)
+    memory_error_and_abort ("xmalloc");
+  return (temp);
+}
+
+PTR_T
+xrealloc (pointer, bytes)
+     PTR_T pointer;
+     size_t bytes;
+{
+  PTR_T temp;
+
+  temp = pointer ? realloc (pointer, bytes) : malloc (bytes);
+
+  if (temp == 0)
+    memory_error_and_abort ("xrealloc");
+  return (temp);
+}
+
+/* Use this as the function to call when adding unwind protects so we
+   don't need to know what free() returns. */
+void
+xfree (string)
+     PTR_T string;
+{
+  if (string)
+    free (string);
+}