jquery/jquery-ui — pull request #975 by rxaviers (2013-04-30 19:40:09+00:00)
Title: Use normalized event.which instead of event.keyCode

Any reason why we don't use the recommended normalized [event.which](http://api.jquery.com/event.which/)? It's been added since jQuery v1.1.3.

Every passing-tests still passes after the change.