We have pre-moderator edits on the schedule to implement.
After X time, an edit of a post is possible, but only if approved by a mod/admin. It makes sort of an "edited messages"-approval queue.
I am going to make it, but if there is a demand here for such a feature, I'll program it a bit more cleaner/generic for sharing purposes. Otherwise, I'll just plunge it in just for me.
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