Original code by chromatic, maintained by Michael G Schwern . Copyright 2001 by chromatic , Michael G Schwern . This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. See http://www.perl.com/perl/misc/Artistic.html 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'.