The rules of the game:
Post whatever "features" get in your way, "work" in unexpected ways or otherwise just seem misplaced...
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I'll start with Firefox:
I'm guessing this isn't a random bug but actually something someone decided would be cool or helpful.
I just discovered by accident that if you click with the scroll wheel on a tab (anywhere, not just the X) it will close the tab.
I'm on a mac using FF 3.6 and a 'might mouse' or whatever these things are called. But I expect it works the same way on all systems.
The main thing that comes to mind is... why?
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