Hi all,

I'm working on a bug concerning xHeight() for fonts without an "x" glyph:
https://bugs.webkit.org/show_bug.cgi?id=41535

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:
https://bugs.webkit.org/attachment.cgi?id=66398
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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