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microsoft / cascadia-code

This is a fun, new monospaced font that includes programming ligatures and is designed to enhance the modern look and feel of the Windows Terminal.
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Feature Request: Support tone marks (diacritics) used in Pe̍h-ōe-jī and Tâi-lô #776

Open lantw44 opened 1 month ago

lantw44 commented 1 month ago

Description of the new feature/enhancement (with images if possible)

Pe̍h-ōe-jī and Tâi-lô are systems used to write Hokkien in romanized forms. Both systems use diacritics to mark tones, so any vowel or syllabic consonant can have diacritics. It seems that most fonts don't fully support them because of combinations of base characters and diacritics not found in western languages.

Tauhu Oo has a list of characters which have to be supported: https://tauhu.tw/gua-ji-pio/#%E5%8F%B0%E8%AA%9E%E7%BE%85%E9%A6%AC%E5%AD%97

Tauhu Oo 20.05, a non-monospace font made to support all languages in Taiwan. It is based on Source Han Sans. 螢幕快照 2024-09-28 15-21-13

Iân-sui 1.002, another non-monospace font made to support all languages in Taiwan. 螢幕快照 2024-09-28 15-21-37

Cascadia Code 2404.23: Various tone marks on I, U, O, M, N are not supported. The vertical line (U+030D COMBINING VERTICAL LINE ABOVE) is not supported. 螢幕快照 2024-09-28 15-22-58

Cascadia Next TC: It looks worse than Cascadia Code. 螢幕快照 2024-09-28 15-25-11

Proposed technical implementation details (optional)

Sorry, I don't have font development skill.

aaronbell commented 1 month ago

Thanks for the feedback! We will look to add support for this in the next version.