* Add character:
   - Narrow no-break space (`U+202F`).
   - Thai Currency Symbol Baht (`U+0E3F`, #781).
   - Bitcoin Symbol (`U+20BF`).
   - Projection (`U+2305`) and Perspective(`U+2306`, #780).
 * Add `raised-turn-comma` variant for ASCII grave (#778).
 * Add `straight-neck` variant for digit TWO (`2`, #779).
 * Add long-top-serif variants of `1` (#783).
 * Add metric override `onumZeroHeightRatio` for height of old-style numbers (#784).