1<!-- BEGIN AUTHORED CONTENT --> 2 3 4<h2>Notes</h2> 5 6<p> 7For all functions exposed by this API, the argument to the callback indicates 8whether or not the event was successfully dispatched, not whether the event was 9successfully processed and handled. Most callers won't care, since a failure 10generally indicates the tab is going away. 11</p> 12 13<!-- END AUTHORED CONTENT --> 14