[e] (0) Try to clarify stuff around fragment parsing (this removes the ability to call the fragment parsing algorithm without a context node; I couldn't find anyone doing that, but if I missed a case please let me know)
Fixing https://www.w3.org/Bugs/Public/show_bug.cgi?id=27314
Affected topics: HTML Syntax and Parsing

git-svn-id: https://svn.whatwg.org/webapps@8856 340c8d12-0b0e-0410-8428-c7bf67bfef74
Merge remote-tracking branch 'origin/master' into whatwg