[] (0) Fix WebIDL for onerror callback.
Fixing https://www.w3.org/Bugs/Public/show_bug.cgi?id=19819
Affected topics: HTML

git-svn-id: http://svn.whatwg.org/webapps@7678 340c8d12-0b0e-0410-8428-c7bf67bfef74
[c] (0) Make <a href='?guitar=2&amp=1&pedal=6'> a parse error since IE9 misparses it '?guitar=2&=1&pedal=6' apparently.
Fixing https://www.w3.org/Bugs/Public/show_bug.cgi?id=19102
Affected topics: HTML Syntax and Parsing

git-svn-id: http://svn.whatwg.org/webapps@7679 340c8d12-0b0e-0410-8428-c7bf67bfef74