Don't ask how I come up with these. Just bear with me. /abc(?#comment)+/ is a source of confusion. What should it be? Does the + quantify (pointlessly) the comment? Or the "c"? Which does Perl do?

Neither. It quantifies the abc as a whole. If you don't think this is a bug, then let me know; otherwise, P5P is going to hear from me. Probably with a patch, too.

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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:??;