From 4ace089bde87fa3a10fcd43d1291187406fcd23f Mon Sep 17 00:00:00 2001
From: Chris Johns <chrisj@rtems.org>
Date: Mon, 31 Oct 2016 23:37:45 -0700
Subject: Add some notes on writing documentation.

---
 README.txt | 130 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 130 insertions(+)
 create mode 100644 README.txt

diff --git a/README.txt b/README.txt
new file mode 100644
index 0000000..d70e715
--- /dev/null
+++ b/README.txt
@@ -0,0 +1,130 @@
+RTEMS Project Documentation
+===========================
+
+The documents is written in ReST and built using Sphinx. The build system will
+check the version and ensure you have a suitable version. If your host does not
+provide a packaged version use PIP to fetch a recent version. The Sphinx
+website provides details on doing this.
+
+Building PDF requires a full Latex install.
+
+Building
+--------
+
+To build enter in the top directory:
+
+  $ ./waf configure
+  $ ./waf
+
+PDF output can be built without needing to configure again:
+
+  $ ./waf --pdf
+
+To build and install to a specific location:
+
+  $ ./waf configure --prefix=/foo/my/location
+  $ ./waf build install
+
+If you need to debug what is happening use configure with a suitable Sphinx
+version level:
+
+  $ ./waf configure --sphinx-verbose=-v
+  $ ./waf clean build
+
+Documentation Standard
+----------------------
+
+This following details the documentation standard. If in doubt first search the
+existing documentation for an example and if unsure ask.
+
+1. All text is to be formatted to wrap at 80 columns. Do not manually line feed
+   before 80.
+
+2. Pasted text such as console output can exceed 80 columns however it is
+   preferred even this text is wrapped at 80 columns. Long lines in code block
+   text causes issues with the PDF output.
+
+3. For pasted output, shell commands and code use '.. code-block::' with
+   'c' for C code and 'shell' for shell code and terminal output. If you need
+   line number use:
+
+    .. code-block:: shell
+       :linenos:
+
+4. Use the directives for 'note', 'warning', and 'topic'. Do not add 'TIP',
+   'Important' or 'Warning' to the text. Let the mark-up language handle
+   this. The supported directives are:
+
+     .. warning::
+     .. note::
+     .. topic::
+
+   These directives reference specific CSS sytle support.
+
+5. Images are placed in the 'images' directory. Do not place images in the
+   source directories. Using a common 'images' tree of images promotes sharing
+   of images. To add an image use:
+
+    .. figure:: ../images/my-image.png
+       :wdith: 75%
+       :align: center
+       :alt: This is the alt text for some output types.
+
+6. Callouts can be implement manually using a code block and a topic block. For
+   example:
+
+     .. code-block: c
+
+        #include <stdio.h>                             <1>
+        int main(int argc, char** argv)                <2>
+        {
+           printf("Hello world\n");                    <3>
+           return 0;                                   <4>
+        }
+
+     .. topic:: Items:
+
+       1. Include the standard input/output header file.
+
+       2. The program starts here.
+
+       3. Print something to the standard output device.
+
+       4. Exit with an exit code of 0. This is value can be checked by the
+          caller of this program.
+
+   Note, the topic items are manually number. This makes is easier to see which
+   item matches the text. Use <> for the number and try to align to column
+   76. If there is more than 9 items align to column 75. Use haning indents if
+   an items extends over a single line.
+
+7. Use the RTEMS domain references for URLs and mailing lists. For example to
+   insert the RTEMS developers list use:
+
+     :r:list:`devel`
+     :r:url:`git`
+
+   The valid lists are:
+
+     announce     : Announce Mailing List
+     bugs         : Bugs Mailing List
+     devel        : Developers Mailing List
+     build        : Build Logs
+     users        : Users Mailing List
+     vc           : Version Control Mailing List
+
+  The valif URLs are:
+
+     trac         : https://devel.rtems.org/
+     devel        : https://devel.rtems.org/
+     www          : https://www.rtems.org/
+     buildbot     : https://buildbot.rtems.org/
+     builder      : https://builder.rtems.org/
+     docs         : https://docs.rtems.org/
+     lists        : https://lists.rtems.org/
+     git          : https://git.rtems.org/
+     ftp          : https://ftp.rtems.org/
+     review       : https://review.rtems.org/
+     bugs         : https://devel.rtems.org/wiki/Bugs/
+     gsoc         : https://devel.rtems.org/wiki/GSoC/
+     socis        : https://devel.rtems.org/wiki/SOCIS/
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