Rough and unoptimised quirks-mode detector in the "initial" tree construction phase.
Rough and unoptimised quirks-mode detector in the "initial" tree construction phase.

svn path=/trunk/hubbub/; revision=4430

prepare/netsurf_libhubbub,prepare/netsurf_libhubbub,Achal-Aggarwal/hibbub,adamwight/wmf-parsoid-libhubbub,Achal-Aggarwal/hibbub,prepare/netsurf_libhubbub,Achal-Aggarwal/hibbub,prepare/netsurf_libhubbub,adamwight/wmf-parsoid-libhubbub,prepare/netsurf_libhubbub,adamwight/wmf-parsoid-libhubbub,servo/libhubbub,servo/libhubbub,servo/libhubbub,adamwight/wmf-parsoid-libhubbub,prepare/netsurf_libhubbub,Achal-Aggarwal/hibbub,servo/libhubbub,servo/libhubbub,adamwight/wmf-parsoid-libhubbub