[giow] (0) Revert recent ruby change since it was based on a misunderstanding of CSS.
Fixing https://www.w3.org/Bugs/Public/show_bug.cgi?id=20709
Affected topics: HTML, Rendering

git-svn-id: http://svn.whatwg.org/webapps@7752 340c8d12-0b0e-0410-8428-c7bf67bfef74
[giow] (2) Add an 'invalid' event sent to the _form_ when submission fails due to form validation. (The normative parts of this change were accidentally put in the previous checkin, sorry.)
Affected topics: HTML

git-svn-id: http://svn.whatwg.org/webapps@7753 340c8d12-0b0e-0410-8428-c7bf67bfef74
[e] (0) Ack for revent checkins
Affected topics: HTML

git-svn-id: http://svn.whatwg.org/webapps@7754 340c8d12-0b0e-0410-8428-c7bf67bfef74
[e] (0) Clean up more IDL since WebIDL now supports better ways to say this
Fixing https://www.w3.org/Bugs/Public/show_bug.cgi?id=21044
Affected topics: DOM APIs

git-svn-id: http://svn.whatwg.org/webapps@7755 340c8d12-0b0e-0410-8428-c7bf67bfef74
[e] (0) Fix some cross-reference issues.
Affected topics: DOM APIs, HTML

git-svn-id: http://svn.whatwg.org/webapps@7756 340c8d12-0b0e-0410-8428-c7bf67bfef74