Thanks to...
                                       
* Donald Knuth for _The Art of Computer Programming_.

* Thomas Cormen, Charles Leiserson, and Ron Rivest for _Introduction
  to Algorithms_.

* David MacKenzie for writing Autoconf, the automatic configuration
  tool.

* David MacKenzie and Tom Tromey for writing Automake, the tool for
  generating `Makefile's.

* All those who have contributed bug reports and enhancements.  You
  can find them listed individually in the NEWS and the ChangeLog.