[angryasian]

>W3C and WhatWG to construct a common vision of what that means.

all you have to look at is the history of html5 and even the issues surrounding things like video to see what its like to decide by committee.

WHATWG published the First Public Working Draft of the specification on 22 January 2008

In May 2011, the working group advanced HTML5 to "Last Call

As of May 2012, the specification is back to Working Draft state at the W3C

In September 2012, the W3C proposed a plan[28] to release a stable HTML5 Recommendation by the end of 2014