jquery/jquery-ui — pull request #893 by petersendidit (2013-01-24 01:37:15+00:00)
Title: Dialog: Don't handle overlays on destory if there are not any. Fixed: #9...

...004 - failed in _destroyOverlay when I destroy a modal dialog thau was never opened. Fixed: #9000 Dialog leaves broken event handler after close/destroy in certain cases