- modern Japanese (esp. as a school subject) becomes [ancient (Japanese) language
- While we are debating whether or not to make it an official language, the language used by citizens will change and “Japanese as of 2023” will become an archaic language.
- 1872: school regulations.
- 1900: The Imperial Board of Education adopts a resolution to limit the use of homophonic kana to the same type (i.e., to abolish non-standard kana).
- 1908 variants were briefly restored, but all were abolished in 1922
- 1946: Establishment of [daily-use kanji (superseded in 1981)
- The term “jiuzhitai” (舊字體) is now written as “old style” (旧字体)
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