Changelog:
- Fix cv99 application on ASCII single quotes and graves
- Fix cv44 application on certain t-derived letters (U+01AB, U+0236, U+0288, U+1DB5, and U+20A7)
- Fix shape of BLANK SYMBOL (U+2422)
- Change the mechanism of variants of not-equal ligation
- Ensure that the middle point between Typo Ascender and Descender lies on the middle of symbols/operators