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#402: M1360309

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This commit is contained in:
Cameron Kaiser 2017-05-29 20:24:48 -07:00
parent 4e9af1b2f2
commit 7bf1baf33f
1 changed files with 10 additions and 0 deletions
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10
gfx/thebes/gfxMacPlatformFontList.mm
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@ -223,6 +223,16 @@ if (!mIsDataUserFont || mIsLocalUserFont) {
charmap->ClearRange(sr->rangeStart, sr->rangeEnd);
}
}
// Bug 1360309: several of Apple's Chinese fonts have spurious blank
// glyphs for obscure Tibetan codepoints. Blacklist these so that font
// fallback will not use them.
// (It is not likely to encounter these on 10.4 or 10.5.)
if (mRequiresAAT && (FamilyName().EqualsLiteral("Songti SC") ||
FamilyName().EqualsLiteral("Songti TC") ||
FamilyName().EqualsLiteral("STSong"))) {
charmap->ClearRange(0x0f8c, 0x0f8f);
}
}
mHasCmapTable = NS_SUCCEEDED(rv);