KS X 1002
Alias(es)KS C 5657
Language(s)Intended to be used alongside KS X 1001 for Korean support. Does not substantially support any language on its own.
StandardKS X 1002
Current statusUnihan source. Not usually encoded directly.
Classification
Encoding formatsTheoretically ISO 2022, but has no ISO-IR registration (and thus no standardised escape sequence) and is not included in any EUC code.
Other related encoding(s)Intended to supplement: KS X 1001
Other supplementary ISO 2022 CJK DBCSes: JIS X 0212

KS X 1002 (formerly KS C 5657) is a South Korean character set standard that is established in order to supplement KS X 1001. It consists of a total of 7,649 characters.

Unlike KS X 1001, KS X 1002 is not encoded in any legacy encoding. Even in 1994, it was known as "a standard that no one implemented."[1]

Characters

Characters in KS X 1002 are arranged in a 94×94 grid (as in ISO/IEC 2022), and the two-byte code point of each character is expressed in the haeng-yeol form, which specifies a row (haeng 행) and the position of the character within the row (cell, yeol 열).

The rows (numbered from 1 to 94) contain characters as follows:[2]

  • 01–07: Latin letters with diacritics (613 characters)
  • 08–10: Greek letters with diacritics (273 characters)
  • 11–13: miscellaneous symbols (275 characters)
  • 14: compound jamo and hangul syllables without an initial consonant (27 characters)
  • 16–36: modern hangul syllables (1,930 characters)
  • 37–54: archaic hangul syllables (1,675 characters)
  • 55–85: hanja (2,856 characters)

The rows 15 and 86–94 are unassigned.

Impact on Unicode

KS X 1002 is one of the sources of the CJK Unified Ideographs block in Unicode.[3][4]

In Unicode 1.1, the characters at U+3D2E–U+44B7 were from rows 16–36 of KS X 1002.[5][6][7][8] However, they were deleted and superseded by the new Hangul Syllables block (U+AC00–U+D7AF) in Unicode 2.0.

See also

References

  1. ↑ "Unicode Technical Committee Meeting #62: Discussion of Korean Hangul Proposal". 1994-09-30. Presentation by T.J. Kang on Unicode in Korea.
  2. ↑ Lunde, Ken (2009). CJKV Information Processing: Chinese, Japanese, Korean & Vietnamese Computing (2nd ed.). Sebastopol, CA: O'Reilly. pp. 147–148. ISBN 978-0-596-51447-1.
  3. ↑ "Unihan_IRGSources.txt (from Unihan.zip)". 2020-02-19. Retrieved 2020-09-28.
  4. ↑ "UAX #38: Unicode Han Database (Unihan)". Unicode Consortium. 2020-03-05.
  5. ↑ "Unicode 1.1.5 data". 1995-07-05. U+3D2E–U+44B7.
  6. ↑ Chang, K. D.; Choi, In Sook; Kim, Jung Ho (1995-10-04). "Korean Hangul Encoding Conversion Table".
  7. ↑ "Notes and corrections for HANGUL.TXT". 2005-10-13.
  8. ↑ Chung, Jaemin (2017-03-29). "Informative document about three pre-Unicode-2.0 modern hangul syllables" (PDF).
  • KS X 1002 (in Korean; click the 표준원문보기 button to view the standard document)
  • KS X 1002 on Charset Wiki (in Korean)
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