in reply to Give Maintainer Permissions to delete their own nodes?
Besides the technical issue (orphaning possible replies), what's to stop someone from making an inflammatory comment, allowing people to reply, and then deleting it? Granted, that's a contrived example, but it could happen.
I suggest that the need to *delete* a node is rare enough that making an appeal at Editor Requests will take care of it. If not, perhaps an automatic means to take care of the duplicate/blank nodes issue will present itself.
As for editing nodes after the fact, I see that some monks put an Update: heading followed by the new text. Works for me.
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Perl Monks Discussion