[webkit-dev] Test on all platforms

François Sausset sausset at gmail.com
Fri Sep 10 13:08:33 PDT 2010

Hi all,

I'm working on a bug concerning xHeight() for fonts without an "x" glyph:

I spotted it on the mac platform with "Apple Symbols" font, but other platforms could also be affected: a lot of platforms are making a guess of 0.56 * ascent() for xHeight when no "x" glyph exists, but it is probably erroneous and should be 2/3.

Thus I need some volunteers to test the following layout test on other platforms:
The green square should stay properly aligned even when zooming and STIX fonts should be disabled if installed.

This test is perhaps not sufficient to spot the problem as it uses MathML that is not enabled on all platforms and it uses CSS declaration "Symbol" for font that then differs on each platform. For instance, "Apple Symbols" font is used on the mac platform. I don't know for other platforms.

If some people have time to test it on different platforms (apart from the mac one) with a font without a "x" glyph, it would be great!

François Sausset

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