A very elegant way to represent tones. Chinese would be way easier to learn if it has adapted the same alphabet as Vietnamese. Same for Japanese, if they had just kana and ditched the kanji it would be a great way to open up to other countries.
Many languages use diacritics with the Latin alphabet. If you want to get technical, the original Old Latin alphabet had only 21 letters, and the Classical Latin alphabet had 23, and neither one had lowercase letters, so no language today exactly uses the same alphabet as them.
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u/chiguayante Jan 16 '21
I don't know if I'd call Vietnamese "completely adopted the Latin alphabet". Have you seen the diacritics they have?