Merge pull request #3956 from fonttools/cu2qu-ignore-empty-glyphs [cu2qu.ufo] skip processing empty glyphs to support sparse kerning masters
Merge pull request #3956 from fonttools/cu2qu-ignore-empty-glyphs
[cu2qu.ufo] skip processing empty glyphs to support sparse kerning masters
用于操作字体的 Python 库