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[varLib.merger] Fix recombining of multiple PairPosFormat2 subtables

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Gosh!  This is the kind of thinko that doesn't happen with less dynamic languages...

Good one hour of debugging at TYPO Labs. Glad this one is fixed finally!

Fixes https://github.com/fonttools/fonttools/issues/888
This commit is contained in:
Behdad Esfahbod 2017-04-06 15:29:13 +02:00
parent 4c07266971
commit 86549315fd
1 changed files with 1 additions and 1 deletions
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2
Lib/fontTools/varLib/merger.py
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@ -533,7 +533,7 @@ def _Lookup_PairPosFormat2_subtables_recombine(a, b, font):
self.Class1Count = a.Class1Count + b.Class1Count
self.ClassDef1 = ot.ClassDef()
classDefs = ot.ClassDef1.classDefs = {}
classDefs = self.ClassDef1.classDefs = {}
offset = a.Class1Count
# First subtable overrides any possible shared glyph, so add b first.
sets = _ClassDef_invert(b.ClassDef1, allGlyphs=b.Coverage.glyphs)