web-animations/web-animations-js — pull request #582 by ewilligers (2014-04-16 03:14:20+00:00)
Title: Rename TimedItem.specified to TimedItem.timing

TimedItem.specified is now deprecated. It has been replaced by
TimedItem.timing.

Meeting minutes describing this change:
http://lists.w3.org/Archives/Public/public-fx/2014AprJun/0005.html