[Webkit-unassigned] [Bug 54412] flex/bison tokens and grammar for CSS calc

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=54412





--- Comment #4 from Mike Lawther <mikelawther at chromium.org>  2011-02-14 14:39:02 PST ---
I should also say that Tab Atkins from the CSS WG pointed out http://www.w3.org/Style/CSS/Tracker/issues/149 to me - which says that the + and - operators shall require spaces around them. So this patch implements this. See the included test files for what is intended to work and not work.

That said - it is pretty simple to not require the whitespace - all we need to do is disallow a trailing '-' on a number's dimension.

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