Not true I just released cross-platform cron in perl the other day ;-). However yes, I was just thinking along the same lines as you (not display vote options after having voted). And was going to suggest thison Discussion but thought I'd check Super Search first ;-). I personally would rather just have it have no form and leave the links for discussion and results but not consume any space with constantly showing the results.

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perl -p -e "s/(?:\w);([st])/'\$1/mg"