Review Request: Fixes two grave bugs regarding <!-- in khtml

[Jaime Torres]

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http://reviewboard.kde.org/r/2358/
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Review request for kdelibs.


Summary
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Fixes the bugs and some minor trivial optimizations


This addresses bugs 83284 and 161409.
    https://bugs.kde.org/show_bug.cgi?id=83284
    https://bugs.kde.org/show_bug.cgi?id=161409


Diffs
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  /trunk/KDE/kdelibs/khtml/html/htmltokenizer.cpp 1061397 

Diff: http://reviewboard.kde.org/r/2358/diff


Testing
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All the tests cases are ok, all my normal browsing pages remain rendering good. 


Thanks,

Jaime