hakimel/reveal.js — pull request #485 by lordsutch (2013-06-08 09:52:02+00:00)
Title: Only start/stop embedded content if slide has actually changed

This patch should fix [issue #478](https://github.com/hakimel/reveal.js/issues/478) by only calling stopEmbeddedContent and startEmbeddedContent if the slide has actually changed.