On Thu Oct 13 17:45:39 2022 +0000, Fabian Maurer wrote:
Ah, I understand. Good point, I'll look into that!
It happens because in `OpenType_GDEF_UpdateGlyphProps` we go into `case MarkGlyph`, which sets fClusterStart to 0. Guess that is not tested against single characters. How do we continue here?