This is Debian GNU/Linux's prepackaged version of patch, Larry Wall's program that allows you to apply diffs to a file automagically. The current maintainer for this package is Michael Fedrowitz <michaelf@debian.org>. Previous maintainers were Bill Mitchell <mitchell@mdd.comm.mot.com>, Darren Stalder <torin@daft.com> and Adrian Bunk <bunk@fs.tum.de>. The upstream source is available at ftp://ftp.gnu.org/pub/gnu/patch/ This source code is copyright under the GNU General Public License (GPL), a copy of which may be found at /usr/share/common-licenses/GPL