[Webkit-unassigned] [Bug 69083] Several CSS lexer rules don't match CSS 2.1 spec

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=69083





--- Comment #5 from Darin Adler <darin at apple.com>  2011-09-29 13:03:04 PST ---
(In reply to comment #4)
> Rewriting the tokeinzer has an entiriely different motivation. According to our recent profile data the total time of the tokenizer is comparable to the total time of the CSS parser which was a surprise for us. We simply want to see how a hand written tokenizer performs compared to the generated one.

Sure, when we did the new HTML parser and the new JavaScript tokenizer both made things much faster.

And in both cases, the work began by adding far more test cases to make it safe to replace the component.

Unless you see your exercise as a purely scientific experiment, I suggest you beef up test cases as an early step of the rewrite. It’s typically a straightforward and relatively quick task.

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