harfbuzz/TODO

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General fixes:
=============
- Instead of forming clusters immediately, only do it if we are reversing
the text. We'd need a separate bit to indicate cluster start then
- Fix tt kern on/off
- Remove fixed-size feature/lookup arrays in hb-ot-map
- Use size_t in sanitize
API issues to fix before 1.0:
============================
- Sprinkle const all over public and private API
- Rename get_table to reference_table
- get_table shouldn't return NULL
- Use tags for hb_script_t?
- Figure out how many .so objects, how to link, etc
- Shall y axis progress downward instead of upward?
API to add (maybe after 1.0):
============================
- Add hb_font_create_linear()?
- Add hb_shape_plan()/hb_shape_execute()
- Add sanitize API
- Add query API for aalt-like features?
- SFNT api? get_num_faces?
- Full matrix instead of scale?
- Add hb-glib / hb-icu script conversion API
- Add segmentation API
- Add hb-cairo
- Add hb-fribidi
Build fixes:
===========
- GNOME Bug 612402 - (hb-arm) HarfBuzz compilation fix for arm
- Better define HB_INTERNAL
Optimizations:
=============
- Avoid allocating blob objects internally for for_data() faces
- Add caching layer to hb-ft