It took a while, but I've released the next version (still at the same URL) and pushed it onto CPAN (give it a day). It's nifty keen, and runs in 5.005+.

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Jeff[japhy]Pinyan: Perl, regex, and perl hacker, who'd like a job (NYC-area)
s++=END;++y(;-P)}y js++=;shajsj<++y(p-q)}?print:??;