On 24/2/16 16:41, Behdad Esfahbod wrote:
Thanks Jonathan.  Somehow that Mozilla bug escaped my attention for five
years!

I'll add code to reject GDEF table based on its length and glyph class
of doublequote.  Do you have any more blacklisted tables like that in
Firefox?


See https://bugzilla.mozilla.org/show_bug.cgi?id=721719 for discussion of bad tables in certain versions of Lohit Devanagari (GDEF) and Roboto (GSUB).

That's all I can think of offhand... I'm sure there are plenty more broken fonts out there, but we don't usually add font-specific workarounds unless the user experience is really bad.

JK

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