- Use size_t in sanitize?
- Buffer error handling?
- Better define HB_INTERNAL
- Future-proof metrics struct
hb-ot: - Rename hb_internal_glyph_info_t to hb_ot_glyph_info_t - Add query API for aalt-like features - HB_OT_LAYOUT_GLYPH_CLASS_BASE_GLYPH vs LookupType::... mess
