| - Test OpenType 1.6 mark filtering sets | |
| - HB_OT_LAYOUT_GLYPH_CLASS_BASE_GLYPH vs LookupType::... mess | |
| - remove hb_ot_layout_feature_mask_t in favore of hb_mask_t or something | |
| - Rename LookupFlag::MarkAttachmentType to LookupFlag:IgnoreSpecialMarks | |
| - cmap14 support in get_glyph callback | |
| - size_t? | |
| - Figure out compiler selection (add test for link to libstdc++) |