Things to do before making a release: * Ask testers for the type(s) of machines they are using. * Update the version number in src/version.h. * Update the version number in doc/refcard/refcard.tex. * Add a `Version M.N.P released.' line to the ChangeLog. * Update the NEWS file. * Check the README file. * Run autoconf, autoheader, and configure before making tar files. * Update the NEWS and README.octave files in the anonymous ftp directory.