https://zrstea.com/261/
https://bbs.vcb-s.com/thread-4169-1-1.html
https://docs.microsoft.com/en-us/typography/opentype/spec/name
https://docs.microsoft.com/en-us/typography/opentype/spec/
https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6.html
https://www.zhihu.com/question/58705102/answer/158508334
https://zhuanlan.zhihu.com/p/38679788
https://github.com/fonttools/fonttools
https://fonttools.readthedocs.io/en/latest/
https://bbs.vcb-s.com/forum.php?mod=redirect&goto=findpost&ptid=4519&pid=44914&fromuid=9688
https://bbs.vcb-s.com/thread-5064-1-1.html
https://www.v2ex.com/t/454158
https://github.com/libass/libass
iina/iina#2037