Have a look at this reopen review. It was showing "This question was edited after it was closed" as a reason to reopen. But the question was not edited after it was closed.
The last edit was on
Oct 26 '08 at 21:15.
And it was closed on
Nov 28 '11 at 22:44
Also there is no revision in the review page:
Actually it was in the queue because someone voted to reopen. I think this happens due to this new feature.
See some examples from Meta review queue: