main element definition modified

Hi all,

after recent discussion on list [1] I made some changes [2] to the main
element text in the 5.1 spec [3]

 Please review at your leisure, feedback welcome and appreciated.


[1] http://lists.w3.org/Archives/Public/public-html/2013Feb/thread.html#msg3
[2]
https://github.com/w3c/html/commit/9b10ee2672b57add28fb4fcea705bc7e961d74f4
[3]
http://www.w3.org/html/wg/drafts/html/master/grouping-content.html#the-main-element



-- 
with regards

Steve Faulkner
Technical Director - TPG