CJK Compatibility Ideographs

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CJK Compatibility Ideographs
Range U+F900..U+FAFF
(512 code points)
Plane BMP
Scripts Han
Assigned 472 code points
Unused 40 reserved code points
Source standards KS X 1001:1998
Big5
IBM 32
KS X 1001:2004
JIS X 0213
ARIB STD-B24
KPS 10721-2000
Unicode version history
1.0.1 302 (+302)
3.2 361 (+59)
4.1 467 (+106)
5.2 470 (+3)
6.1 472 (+2)
Note: [1][2]

CJK Compatibility Ideographs is a Unicode block containing Han Ideographs that contained duplicate characters in the South Korean KS X 1001:1998 (U+F900-U+FA0B, 268 characters), Taiwanese Big5 (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 (U+FA30-U+FA6A, 59 characters), ARIB STD-B24 (U+FA6B-U+FA6D, 3 characters) and the North Korean KPS 10721-2000 (U+FA70-U+FAD9, 106 characters) source standards for CJK characters. In order to retain round-trip compatibility with that standard, the CJK Compatibility Ideographs block was created to hold those extra characters. In subsequent versions of the standard, more compatibility ideographs, and even a few regular ideographs that do not have duplicates, have been added to the block.

The block has dozens of ideographic variation sequences registered in the Unicode Ideographic Variation Database (IVD).[3][4] These sequences specify the desired glyph variant for a given Unicode character.

Block[edit]

CJK Compatibility Ideographs[1][2]
Official Unicode Consortium code chart (PDF)
  0 1 2 3 4 5 6 7 8 9 A B C D E F
U+F90x
U+F91x
U+F92x
U+F93x 錄
U+F94x
U+F95x
U+F96x
U+F97x 勵
U+F98x
U+F99x
U+F9Ax
U+F9Bx 樂
U+F9Cx
U+F9Dx
U+F9Ex
U+F9Fx 刺
U+FA0x
U+FA1x
U+FA2x
U+FA3x 憎
U+FA4x
U+FA5x
U+FA6x
U+FA7x 奔
U+FA8x
U+FA9x
U+FAAx
U+FABx 謹
U+FACx
U+FADx
U+FAEx
U+FAFx
Notes
1.^ As of Unicode version 9.0
2.^ Grey areas indicate non-assigned code points

History[edit]

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

Version Final code points[a] Count L2 ID WG2 ID IRG ID Document
1.0.1 U+F900..FA2D 302 (to be determined)
L2/03-399 Fok, Anthony (2003-10-13), Unihan reported errors / changes re kHKSCS entries 
L2/03-367 N2667 Suignard, Michel; Muller, Eric; Jenkins, John (2003-10-22), CJK Ideograph source references corrections 
L2/03-398 Nguyen, D. (2003-10-29), Unihan reported errors / changes re kCowles 
L2/03-417 Muller, Eric (2003-10-31), Variation sequences for CJK Compatibility characters 
L2/08-238 Cook, Richard; Lunde, Ken (2008-06-09), Recommendation For IRG To Use IVD Collections 
L2/08-373 N3525 Lunde, Ken; Muller, Eric (2008-10-06), Handling CJK compatibility characters with variation sequences 
L2/08-425 Cook, Richard; Lunde, Ken (2008-11-18), IRG Use of IVD Collections 
L2/09-003R Moore, Lisa (2009-02-12), "WG2 — Compatibility Ideographs", UTC #118 / L2 #215 Minutes 
L2/09-080 N3590 Muller, Eric (2009-03-11), Difficulties with compatibility ideographs 
L2/09-290 Muller, Eric (2009-08-07), Draft IVD registration for Compatibility Characters 
L2/11-243 N4111 Sources for Orphaned CJK Ideographs, 2011-06-14 
3.2 U+FA30..FA6A 59 L2/99-016 N1935 Paterson, Bruce (1998-11-30), Editorial corrigenda on CJK compatibility ideographs, and other items 
L2/99-240 Addition of fifty six KANJIs for compatibility, 1999-07-15 
L2/99-311 Addition of fifty six KANJIs for compatibility, 1999-08-23 
L2/99-313 N2095 Sato, T. K. (1999-09-08), Addition of CJK ideographs which are already "unified" 
L2/99-316 Whistler, Ken (1999-09-13), Comments on JCS proposal 
L2/99-322 Collins, Lee (1999-10-11), Comments on JCS compatibility characters in L2/99-310 through L2/99-313 
L2/99-365 Moore, Lisa (1999-11-23), Comments on JCS Proposals 
L2/99-383 N2142 N710 The response to WG2 resolution M37.16: CJK compatibility ideographs from JIS (WG2 N2104), 1999-12-09 
L2/99-260R Moore, Lisa (2000-02-07), "JCS Proposals", Minutes of the UTC/L2 meeting in Mission Viejo, October 26-28, 1999 
L2/00-101 N2197 Sato, T. K. (2000-03-15), Update: CJK COMPATIBILITY IDEOGRAPH request 
L2/00-172 N2221R Sato, T. K. (2000-04-20), JIS COMPATIBILITY IDEOGRAPHS (draft for ammendment-1) [sic] 
L2/00-190 Moore, Lisa (2000-06-22), UTC Rescinds Acceptance of Four Duplicate Radicals from JIS X 213 
L2/00-337 N2273 JIS compatibility ideographs, 2000-09-19 
L2/00-378 N2295 Sato, T. K. (2000-10-26), Feedback from Japan on N2281 -- working draft on pDAM 1 -- CJK Compatibility 
4.1 U+FA70..FAD9 106 L2/00-317 N2254R "RESOLUTION M39.26", Resolutions of WG2 Meeting 39 (Athens), 2000-10-11 
L2/01-350 N2375 Proposal to add 160 Compatibility Hanja code table of D P R of Korea into CJK Compatibility Ideographs, 2001-09-03 
N2375 Proposal to add the 160 Compatibility Hanja code table of D P R of Korea into CJK Compatibility Ideographs, 2001-09-03 
N2478 Proposed Disposition of comments on SC2 N 3584 (PDAM text for Amendment 2 to ISO/IEC 10646-1:2000), 2002-05-08 
L2/02-232 N2493 Sato, T. K.; Kobayashi, Tatsuo; Gi, Pak Tong (2002-05-22), Proposal to add 122 compatibility Hanja code table of the D P R of Korea into the CJK Compatibility Ideographs of ISO/IEC 10646-1:2000 
N2541 "USA T.8", Proposed disposition of comments on SC2 N 3624 (FPDAM text for Amendment 2 to ISO/IEC 10646-1:2000), 2002-12-02 
N2540 Freytag, Asmus (2002-12-05), Corrections to CJK Compatibility Ideographs Table in FPDAM 
L2/02-465 N2566 Collins, Lee; Freytag, Asmus (2002-12-09), Review of DPRK Compatibility Ideographs 
L2/02-471 N2572 CJK Compatibility Ideographs (Unicode 3.2, page 399), 2002-12-18 
L2/02-472 N2573 Report of DPRK compatibility characters ad hoc meeting, 2002-12-11 
L2/02-468 N2569 Suignard, Michel (2002-12-12), "USA T.5 e, USA T.8", Proposed disposition of comments on SC2 N 3624 (FPDAM text for Amendment 2 to ISO/IEC 10646-1:2000) 
L2/03-023 N2569R Suignard, Michel (2003-01-27), "USA T.5 e, USA T.8", Disposition of Comments Report on 10646-1/FPDAM 2 
L2/03-346 Chang, Cora (2003-10-20), Analysis of characters in WG2 documents N2572, N2573 
L2/03-346.1 Chang, Cora (2003-10-20), Analysis of characters in WG2 documents N2572, N2573 [spreadsheet without glyphs] 
L2/04-207 N2776 N1062 Proposal to add 106 Compatibility Hanjas of D P R of Korea to CJK Compatibility Ideographs, 2004-05-25 
L2/04-330 Whistler, Ken (2004-08-03), "E", WG2 Consent Docket 
L2/04-316 Moore, Lisa (2004-08-19), "100-C12", UTC #100 Minutes 
L2/05-050 N2924R Freytag, Asmus (2005-01-28), Charts - Amendments 1 and 2 to ISO/IEC 10646:2003 
L2/10-367 N3899 KP1-0000, 2010-09-30 
L2/11-243 N4111 Sources for Orphaned CJK Ideographs, 2011-06-14 
L2/11-254 Constable, Peter (2011-06-20), "Update to UTR #45 U-Source Ideographs requested", UTC Liaison Report from WG2 
5.2 U+FA6B..FA6D 3 L2/07-387 Proposal to encode six CJK Ideographs in UCS, 2007-10-17 
L2/08-184 N3318R Revised proposal to encode six CJK Ideographs in UCS, 2008-03-25 
6.1 U+FA2E..FA2F 2 L2/10-087 N3747 A solution proposed by R.O.Korea for incorrectly mapped compatibility chars, 2010-03-19 
  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 2016-07-09. 
  2. ^ "Enumerated Versions of The Unicode Standard". The Unicode Standard. Retrieved 2016-07-09. 
  3. ^ "Ideographic Variation Database". Unicode Consortium. 
  4. ^ "UTS #37, Unicode Ideographic Variation Database". Unicode Consortium.