Report when the </br> -> <br> quirk is triggered.

        Also report whenever the broken XML self-closing tag syntax is used on
        tags that can actually have an end tag (either optional or required).

        Reviewed by aroben

        * html/HTMLParser.cpp:
        (WebCore::HTMLParser::parseToken):
        * html/HTMLParserErrorCodes.cpp:
        (WebCore::htmlParserErrorMessageTemplate):
        * html/HTMLParserErrorCodes.h:
        (WebCore::):
        * html/HTMLTokenizer.cpp:
        (WebCore::HTMLTokenizer::parseTag):
        * html/HTMLTokenizer.h:
        (WebCore::Token::reset):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@21723 268f45cc-cd09-0410-ab3c-d52691b4dbfc