wookiehangover/streamr — pull request #1 by miketaylr (2012-04-30 15:26:41+00:00)
Title: Cancel dragenter

Per spec, you have to cancel `dragenter` as well as `dragover` if you don't use the `dropzone` attribute (which nobody but Opera 12 supports right now.

http://www.whatwg.org/specs/web-apps/current-work/multipage/dnd.html#dnd

> Note: Instead of using the dropzone attribute, a drop target can handle the dragenter event (to report whether or not the drop target is to accept the drop) and the dragover event (to specify what feedback is to be shown to the user).