CJK Compatibility Ideographs is a

Unicode block A Unicode block is one of several contiguous ranges of numeric character codes ( code points) of the Unicode character set that are defined by the Unicode Consortium for administrative and documentation purposes. Typically, proposals such as the ...

created to contain

Han characters Chinese characters () are logograms developed for the writing of Chinese. In addition, they have been adapted to write other East Asian languages, and remain a key component of the Japanese writing system where they are known as ''kanji' ...

that were encoded in multiple locations in other established character encodings, in addition to their

CJK Unified Ideographs The Chinese, Japanese and Korean (CJK) scripts share a common background, collectively known as CJK characters. In the process called Han unification, the common (shared) characters were identified and named CJK Unified Ideographs. As of Unicode ...

assignments, in order to retain round-trip compatibility between Unicode and those encodings. Such encodings include the South Korean KS X 1001:1998 (U+F900–U+FA0B, 268 characters), Taiwanese

Big5 Big-5 or Big5 is a Chinese character encoding method used in Taiwan, Hong Kong, and Macau for traditional Chinese characters. The People's Republic of China (PRC), which uses simplified Chinese characters, uses the GB 18030 character set inst ...

(U+FA0C–U+FA0D, 2 characters), Japanese IBM 32 ( CP932 variant; U+FA0E–U+FA2D, 32 characters), South Korean KS X 1001:2004 (U+FA2E–U+FA2F, 2 character), Japanese

JIS X 0213 JIS X 0213 is a Japanese Industrial Standard defining coded character sets for encoding the characters used in Japan. This standard extends JIS X 0208. The first version was published in 2000 and revised in 2004 (JIS2004) and 2012. As well as a ...

(U+FA30–U+FA6A, 59 characters), Japanese ARIB STD-B24 (U+FA6B–U+FA6D, 3 characters) and the North Korean KPS 10721-2000 (U+FA70–U+FAD9, 106 characters) source standards. In ensuing versions of the standard, more characters have been added to the block. These even include a few regular ideographs (with the Unified_Ideograph property) that do not have duplicates (U+FA0E–U+FA0F, U+FA11, U+FA13–U+FA14, U+FA1F, U+FA21, U+FA23–U+FA24 and U+FA27–U+FA29). The block has dozens of ideographic variation sequences registered in the Unicode Ideographic Variation Database (IVD). These sequences specify the desired glyph variant for a given Unicode character.

Block

History

The following Unicode-related documents record the purpose and process of defining specific characters in the CJK Compatibility Ideographs block:

References

{{CJK ideographs in Unicode Unicode blocks

Block

History

See also

References