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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).[3]

CJK Compatibility
RangeU+3300..U+33FF
(256 code points)
PlaneBMP
ScriptsKatakana (88 char.)
Common (168 char.)
Assigned256 code points
Unused0 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: [1][2]

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).[4] 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).

Block edit

CJK Compatibility[1]
Official Unicode Consortium code chart (PDF)
  0 1 2 3 4 5 6 7 8 9 A B C D E F
U+330x
U+331x
U+332x
U+333x
U+334x
U+335x
U+336x
U+337x
U+338x
U+339x
U+33Ax
U+33Bx
U+33Cx
U+33Dx
U+33Ex
U+33Fx
Notes
1.^ As of Unicode version 15.1


History edit

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

Version Final code points[a] Count L2 ID WG2 ID Document
1.0.0 U+3300..3357, 337B..33DD 187 (to be determined)
N2956 Freytag, Asmus (2005-08-12), "Representative Glyph for U+33AC SQUARE GPA", Unicode Consortium Liaison Report for WG2 Meeting #47
N2953 (pdf, doc) Umamaheswaran, V. S. (2006-02-16), "M47.16 (Miscellaneous glyph defects)", Unconfirmed minutes of WG 2 meeting 47, Sophia Antipolis, France; 2005-09-12/15
1.1 U+3358..3376, 33E0..33FE 62 (to be determined)
4.0 U+3377..337A, 33DE..33DF, 33FF 7 L2/99-353 N2056 "3", Amendment of the part concerning the Korean characters in ISO/IEC 10646-1:1998 amendment 5, 1999-07-29
L2/99-380 Proposal for a New Work item (NP) to amend the Korean part in ISO/IEC 10646-1:1993, 1999-12-07
L2/99-380.3 Annex B, Special characters compatible with KPS 9566-97 (To be extended), 1999-12-07
L2/00-084 N2182 "3", Amendment of the part concerning the Korean characters in ISO/IEC 10646-1:1998 amendment 5 (Cover page and outline of proposal L2/99-380), 1999-12-07
L2/99-382 Whistler, Ken (1999-12-09), "2.3", Comments to accompany a U.S. NO vote on JTC1 N5999, SC2 N3393, New Work item proposal (NP) for an amendment of the Korean part of ISO/IEC 10646-1:1993
L2/00-066 N2170 (pdf, doc) "3", The technical justification of the proposal to amend the Korean character part of ISO/IEC 10646-1 (proposed addition of 79 symbolic characters), 2000-02-10
L2/00-073 N2167 Karlsson, Kent (2000-03-02), Comments on DPRK New Work Item proposal on Korean characters
L2/00-285 N2244 Proposal for the Addition of 82 Symbols to ISO/IEC 10646-1:2000, 2000-08-10
L2/00-291 Everson, Michael (2000-08-30), Comments to Korean proposals (L2/00-284 - 289)
N2282 Report of the meeting of the Korean script ad hoc group, 2000-09-21
L2/01-349 N2374R Proposal to add of 70 symbols to ISO/IEC 10646-1:2000, 2001-09-03
L2/01-387 N2390 Kim, Kyongsok (2001-10-13), ROK's Comments about DPRK's proposal, WG2 N 2374, to add 70 symbols to ISO/IEC 10646-1:2000
L2/01-388 N2392 Kim, Kyongsok (2001-10-16), A Report of Korean Script ad hoc group meeting on Oct. 15, 2001
L2/01-420 Whistler, Ken (2001-10-30), "f. Miscellaneous symbol additions from DPRK standard", WG2 (Singapore) Resolution Consent Docket for UTC
L2/01-458 N2407 Umamaheswaran, V. S. (2001-11-16), Request to Korean ad hoc group to generate mapping tables between ROK and DPRK national standards
  1. ^ Proposed code points and characters names may differ from final code points and names

See also edit

References edit

  1. ^ "Unicode character database". The Unicode Standard. Retrieved 2023-07-26.
  2. ^ "Enumerated Versions of The Unicode Standard". The Unicode Standard. Retrieved 2023-07-26.
  3. ^ "3.8: Block-by-Block Charts" (PDF). The Unicode Standard. version 1.0. Unicode Consortium.
  4. ^ Lunde, Ken (2019-03-21). "A Brief History of Japan's Era Name Ligatures". CJK Type Blog. Adobe Inc.

compatibility, confused, with, forms, ideographs, list, characters, encoded, unicode, unified, ideographs, unicode, block, containing, square, symbols, both, latin, alphanumeric, encoded, compatibility, with, east, asian, character, sets, unicode, divided, int. Not to be confused with CJK Compatibility Forms or CJK Compatibility Ideographs For a list of all CJK characters encoded in Unicode see CJK Unified Ideographs 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 3 CJK CompatibilityRangeU 3300 U 33FF 256 code points PlaneBMPScriptsKatakana 88 char Common 168 char Assigned256 code pointsUnused0 reserved code pointsUnicode version history1 0 0 1991 187 187 1 1 1993 249 62 4 0 2003 256 7 Unicode documentationCode chart Web pageNote 1 2 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 4 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 Contents 1 Block 2 History 3 See also 4 ReferencesBlock editCJK Compatibility 1 Official Unicode Consortium code chart PDF 0 1 2 3 4 5 6 7 8 9 A B C D E FU 330x U 331x U 332x U 333x U 334x U 335x U 336x U 337x U 338x U 339x U 33Ax U 33Bx U 33Cx U 33Dx U 33Ex U 33Fx Notes 1 As of Unicode version 15 1History editThe following Unicode related documents record the purpose and process of defining specific characters in the CJK Compatibility block Version Final code points a Count L2 ID WG2 ID Document1 0 0 U 3300 3357 337B 33DD 187 to be determined N2956 Freytag Asmus 2005 08 12 Representative Glyph for U 33AC SQUARE GPA Unicode Consortium Liaison Report for WG2 Meeting 47N2953 pdf doc Umamaheswaran V S 2006 02 16 M47 16 Miscellaneous glyph defects Unconfirmed minutes of WG 2 meeting 47 Sophia Antipolis France 2005 09 12 151 1 U 3358 3376 33E0 33FE 62 to be determined 4 0 U 3377 337A 33DE 33DF 33FF 7 L2 99 353 N2056 3 Amendment of the part concerning the Korean characters in ISO IEC 10646 1 1998 amendment 5 1999 07 29L2 99 380 Proposal for a New Work item NP to amend the Korean part in ISO IEC 10646 1 1993 1999 12 07L2 99 380 3 Annex B Special characters compatible with KPS 9566 97 To be extended 1999 12 07L2 00 084 N2182 3 Amendment of the part concerning the Korean characters in ISO IEC 10646 1 1998 amendment 5 Cover page and outline of proposal L2 99 380 1999 12 07L2 99 382 Whistler Ken 1999 12 09 2 3 Comments to accompany a U S NO vote on JTC1 N5999 SC2 N3393 New Work item proposal NP for an amendment of the Korean part of ISO IEC 10646 1 1993L2 00 066 N2170 pdf doc 3 The technical justification of the proposal to amend the Korean character part of ISO IEC 10646 1 proposed addition of 79 symbolic characters 2000 02 10L2 00 073 N2167 Karlsson Kent 2000 03 02 Comments on DPRK New Work Item proposal on Korean charactersL2 00 285 N2244 Proposal for the Addition of 82 Symbols to ISO IEC 10646 1 2000 2000 08 10L2 00 291 Everson Michael 2000 08 30 Comments to Korean proposals L2 00 284 289 N2282 Report of the meeting of the Korean script ad hoc group 2000 09 21L2 01 349 N2374R Proposal to add of 70 symbols to ISO IEC 10646 1 2000 2001 09 03L2 01 387 N2390 Kim Kyongsok 2001 10 13 ROK s Comments about DPRK s proposal WG2 N 2374 to add 70 symbols to ISO IEC 10646 1 2000L2 01 388 N2392 Kim Kyongsok 2001 10 16 A Report of Korean Script ad hoc group meeting on Oct 15 2001L2 01 420 Whistler Ken 2001 10 30 f Miscellaneous symbol additions from DPRK standard WG2 Singapore Resolution Consent Docket for UTCL2 01 458 N2407 Umamaheswaran V S 2001 11 16 Request to Korean ad hoc group to generate mapping tables between ROK and DPRK national standards Proposed code points and characters names may differ from final code points and namesSee also editUnicode compatibility characters CJK Unified Ideographs Katakana Unicode block Letterlike SymbolsReferences edit Unicode character database The Unicode Standard Retrieved 2023 07 26 Enumerated Versions of The Unicode Standard The Unicode Standard Retrieved 2023 07 26 3 8 Block by Block Charts PDF The Unicode Standard version 1 0 Unicode Consortium Lunde Ken 2019 03 21 A Brief History of Japan s Era Name Ligatures CJK Type Blog Adobe Inc Retrieved from https en wikipedia org w index php title CJK Compatibility amp oldid 1188785010, wikipedia, wiki, book, books, library,

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