The link to the original PerlMonks post is missing a '?' character at
the appropriate position in the URL. Here's the suggested fix:
---------------
=head1 AUTHOR AND COPYRIGHT
Ben Tilly (btilly@gmail.com). Originally posted at
-http://www.perlmonks.org/node_id=65094.
+L<PerlMonks node 65094|http://www.perlmonks.org/?node_id=65094>.
Copyright 2001-2009. This may be modified and distributed on the same
terms as Perl.
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Probably the lowest possible priority, but if you happen to release a
new version for some reason, that would be a good time to get that '?'
into the URL.