Copyright 2003−2004 by Chia-liang Kao "<clkao AT clkao DOT org>".
Copyright 2005−2007 by Nik Clayton "<nik AT FreeBSD DOT org>".
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>