This question already has an answer here:
I've seen several of these now, here's an example: https://stackoverflow.com/questions/15045661/css3-transitions-work-in-ie.
The question has 3 duplicate votes, and yet, no banner is shown for it ("This question may already have an answer here:"). Why is that? What determines whether a question displays the banner or not? (Or has it been removed and I'm simply not up-to-date?)