Reviewed by Eric Seidel.

        Teach the HTML5 parser to lex DOCTYPEs
        https://bugs.webkit.org/show_bug.cgi?id=39571

        * html/HTML5Lexer.cpp:
        (WebCore::HTML5Lexer::nextToken):
        * html/HTML5Lexer.h:
        * html/HTML5Token.h:
        (WebCore::HTML5Token::beginDOCTYPE):
        (WebCore::HTML5Token::publicIdentifier):
        (WebCore::HTML5Token::systemIdentifier):
        (WebCore::HTML5Token::setPublicIdentifierToEmptyString):
        (WebCore::HTML5Token::setSystemIdentifierToEmptyString):
        (WebCore::HTML5Token::appendToPublicIdentifier):
        (WebCore::HTML5Token::appendToSystemIdentifier):
        (WebCore::HTML5Token::DoctypeData::DoctypeData):
        * html/HTML5TreeBuilder.cpp:
        (WebCore::convertToOldStyle):
        (WebCore::HTML5TreeBuilder::passTokenToLegacyParser):
        * platform/text/SegmentedString.h:
        (WebCore::SegmentedString::lookAheadIgnoringCase):
        (WebCore::SegmentedString::advanceAndASSERTIgnoringCase):

2010-05-24  Adam Barth  <abarth@webkit.org>

        Reviewed by Eric Seidel.

        Teach the HTML5 parser to lex DOCTYPEs
        https://bugs.webkit.org/show_bug.cgi?id=39571

        Add tests for DOCTYPEs.

        * html5lib/resources/doctype01.dat: Added.
        * html5lib/webkit-runner.html:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@60087 268f45cc-cd09-0410-ab3c-d52691b4dbfc