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If that checkmark had a different color, say blue, to indicate that this was not set by the OP, I'd favour this. But the green checkmark is established to mean "This answer made the OP think their problem is solved" and should remain such...
That should be [](http://xkcd.com/386/ "What do you want me to do? LEAVE? Then they'll keep being wrong!") but meta doesn't allow for edits... (Direct link). Also, +1
