[e] (0) Clarify what we mean by 'poster frame' of an animation.
Fixing https://www.w3.org/Bugs/Public/show_bug.cgi?id=21296
Affected topics: Canvas, DOM APIs

git-svn-id: http://svn.whatwg.org/webapps@7847 340c8d12-0b0e-0410-8428-c7bf67bfef74
[e] (0) Be clearer about how preparsing handles running out of bytes.
Fixing https://www.w3.org/Bugs/Public/show_bug.cgi?id=21312
Affected topics: HTML Syntax and Parsing

git-svn-id: http://svn.whatwg.org/webapps@7848 340c8d12-0b0e-0410-8428-c7bf67bfef74