- cmap14 support in get_glyph callback
- size_t?
- Add test for linking to libstdc++
- Move unicode_funcs to buffer

hb-ot:
- Fix ot query APIs
- 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

hb-ft:
- Add hb_ft_create_face()?