CJK Compatibility
CJK Compatibility is a Unicode block containing square symbols (both CJK and Latin alphanumeric) encoded for compatibility with East Asian character sets. In Unicode 1.0, it was divided into two blocks, named CJK Squared Words (U+3300–U+337F) and CJK Squared Abbreviations (U+3380–U+33FF).
| CJK Compatibility | |
|---|---|
| Range | U+3300..U+33FF (256 code points) |
| Plane | BMP |
| Scripts | Katakana (88 char.) Common (168 char.) |
| Assigned | 256 code points |
| Unused | 0 reserved code points |
| Unicode version history | |
| 1.0.0 (1991) | 187 (+187) |
| 1.1 (1993) | 249 (+62) |
| 4.0 (2003) | 256 (+7) |
| Unicode documentation | |
| Code chart ∣ Web page | |
| Note: | |
Characters U+337B through U+337E are the Japanese era symbols Heisei (㍻), Shōwa (㍼), Taishō (㍽) and Meiji (㍾) (also available in certain legacy sets, such as the "NEC special characters" extension for JIS X 0208, as included in Microsoft's version and later JIS X 0213). The Reiwa era symbol (㋿) is in Enclosed CJK Letters and Months (the CJK Compatibility block having been fully allocated by the time of its commencement).
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