What are “Community Wiki” posts?
I didn't understand the community wiki at first. So I checked it for all my answers. Is there any way to undo it? And there should be an explanation (tooltip?) under it.
migrated from stackoverflow.com Oct 31 '10 at 2:25
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Community Wiki is permanent and irrevocable.
The tooltip when you hover your mouse over the checkbox is also fairly self-explanatory: