[SpecGL Draft] h1 -> h2

Hi,

I don't feel comfortable using h1 for each section title, I would 
prefer to use h2, which means changing everything one level done but 
it's not too complex to do.

Someone against that?




-- 
Karl Dubost - http://www.w3.org/People/karl/
W3C Conformance Manager
*** Be Strict To Be Cool ***