This is Debian GNU/Linux's prepackaged version of Date::Manip. This is a Perl library for manipulating dates. The upstream sources are at http://search.cpan.org/dist/Date-Manip/ Upstream author: Sullivan Beck Copyright: Copyright (c) 1995-2008 Sullivan Beck. All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. Perl is distributed under your choice of the GNU General Public License or the Artistic License. On Debian GNU/Linux systems, the complete text of the GNU General Public License can be found in `/usr/share/common-licenses/GPL' and the Artistic Licence in `/usr/share/common-licenses/Artistic'.