This is a package written originally by Christoph Lameter and extensively modified by Julian Gilbey . Many of the scripts were originally written by other people. Please see the individual files (scripts and manpages) for more information. Most of the Devscripts::* Perl modules are from the deprecated dpkg-perl package, copyright (C) 1997 Klee Dienes The whole package except for debdiff is copyright under the GPL, version 2 or later. Debdiff is released under version 2 (only) of the GPL. A copy of version 2 of the GPL can be found on Debian systems as /usr/share/common-licenses/GPL.