CJK Unified Ideographs Extension C
CJK Unified Ideographs Extension C is a Unicode block containing rare and historic CJK ideographs for Chinese, Japanese, Korean, and Vietnamese.
CJK Unified Ideographs Extension C | |
---|---|
Range | U+2A700..U+2B73F (4,160 code points) |
Plane | SIP |
Scripts | Han |
Assigned | 4,149 code points |
Unused | 11 reserved code points |
Unicode version history | |
5.2 | 4,149 (+4,149) |
Note: [1][2] |
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
History
The following Unicode-related documents record the purpose and process of defining specific characters in the CJK Unified Ideographs Extension C block:
Version | Final code points[lower-alpha 1] | Count | L2 ID | WG2 ID | IRG ID | Document |
---|---|---|---|---|---|---|
5.2 | U+2A700..2B734 | 4,149 | L2/02-462 | N2563 | Suignard, Michel (2002-12-11), CJK Compatibility Ideograph source reference fixes | |
L2/06-390 | N3134 | N1226 | Proposal to encode CJK Unified Ideographs Extension C1 in SIP, 2006-08-27 | |||
N3153 (pdf, doc) | Umamaheswaran, V. S. (2007-02-16), "M49.19", Unconfirmed minutes of WG 2 meeting 49 AIST, Akihabara, Tokyo, Japan; 2006-09-25/29 | |||||
L2/06-363 | Jenkins, John (2006-11-01), UTC Extension C1 Characters | |||||
L2/06-351 | Whistler, Ken (2006-11-06), "CJK Unified Ideographs Extension C", WG2 Consent Docket | |||||
L2/06-390.1 | N3134.1 | Proposal to encode CJK Unified Ideographs Extension C1 in SIP, Data files part 1, 2006-11-13 | ||||
L2/06-390.2 | N3134.2 | Proposal to encode CJK Unified Ideographs Extension C1 in SIP, Data files part 2, 2006-11-13 | ||||
L2/06-390.3 | N3134.3 | Proposal to encode CJK Unified Ideographs Extension C1 in SIP, Data files part 3, 2006-11-13 | ||||
N3134.4 | Proposal to encode CJK Unified Ideographs Extension C1 in SIP, Attachment B (detailed source information for every character), 2006-11-13 | |||||
L2/06-404 | N3190 | Lu, Qin (2006-12-21), CJK Ext. C Multicolumn Code Table | ||||
L2/07-125 | N3244 | Review of CJK-C Repertoire, 2007-04-24 | ||||
N3267 | Summary response to comments on CJK Ext. C in pDam4, 2007-04-25 | |||||
N3353 (pdf, doc) | Umamaheswaran, V. S. (2007-10-10), "M51.11g - M51.11j", Unconfirmed minutes of WG 2 meeting 51 Hanzhou, China; 2007-04-24/27 | |||||
L2/07-160 | Jenkins, John (2007-05-10), U-source Correction for Extension C | |||||
L2/07-118R2 | Moore, Lisa (2007-05-23), "IRG - Review of CJK-C Repertoire", UTC #111 Minutes | |||||
L2/07-244 | N3281, N3281-A, N3281-B | N1331 | Lu, Qin (2007-07-16), Request for Glyph Change in CJK C PDAM5 | |||
L2/07-245 | N3280, N3280-A, N3280-B | N1330 | Lu, Qin (2007-07-16), Request for Removal of Characters in CJK C PDAM5 | |||
L2/07-268 | N3253 (pdf, doc) | Umamaheswaran, V. S. (2007-07-26), "M50.12", Unconfirmed minutes of WG 2 meeting 50, Frankfurt-am-Main, Germany; 2007-04-24/27 | ||||
L2/07-225 | Moore, Lisa (2007-08-21), "B.3", UTC #112 Minutes | |||||
N3279 (Part 1, Part 2, xls) | CJK Extension C code charts, spreadsheet, chart part 1, chart part 2, 2007-10-22 | |||||
L2/08-227 | Suignard, Michel (2008-05-15), CJK Extension C Repertoire | |||||
L2/08-310 | Cook, Richard (2008-08-12), Fonts for Extension B and C and IRG | |||||
L2/08-161R2 | Moore, Lisa (2008-11-05), "Consensus 115-C21", UTC #115 Minutes, Approve 4,149 CJK ideographs in Extension C at codepoints U+2A700..U+2B734 for encoding in a future version of the standard. | |||||
L2/10-195 | Suignard, Michel (2010-05-10), CJK Charts | |||||
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 | |||||
N4103 | "Resolution 58.05 and M58.06", Unconfirmed minutes of WG 2 meeting 58, 2012-01-03 | |||||
N4558 | Request of Changing One CJK_C Source and Glyph [U+2A92F], 2014-02-25 | |||||
N4553 (pdf, doc) | Umamaheswaran, V. S. (2014-09-16), "M62.01d, M62.01i", Minutes of WG 2 meeting 62 Adobe, San Jose, CA, USA | |||||
L2/14-260 | N4621 | Suignard, Michel (2014-10-23), CJK chart and source references update | ||||
L2/16-052 | N4603 (pdf, doc) | Umamaheswaran, V. S. (2015-09-01), "M63.05", Unconfirmed minutes of WG 2 meeting 63 | ||||
L2/15-242 | N4682 | West, Andrew; Fan, Ming (2015-10-16), Error Report for CJK Unified Ideographs Extensions C and E | ||||
N4739 | "M64.06", Unconfirmed minutes of WG 2 meeting 64, 2016-08-31 | |||||
L2/17-180 | N2202 | Chan, Eiso (2017-06-02), Request for consideration to add kIRG_GSource values to thirteen ideographs and change two G-source glyphs for the Table of General Standard Chinese Characters [Affects U+24A7D, U+25ED7, U+2677C, U+26C21, U+2A8FB, U+2A917, and U+2AA30] | ||||
N4987 | Proposal on China’s Horizontal Extension for 14 CJK Ideographs [Affects U+37C3, 3FE0, 9FD4, 20164, 24A7D, 25ED7, 2677C, 26C21, 2A917, 2AA30, 2BD77, 2C494, 2C72F, and 2CB38], 2018-06-13 | |||||
N4988 | Proposal on Updating 11 G glyphs of CJK Unified Ideographs to ISO/IEC 10646 [Affects U+3B9D, 3CFD, 4A76, 6FF9, 809E, 891D, 21D4C, 2278B, 23AB8, 2459B, and 2A8FB], 2018-06-13 | |||||
N5020 (pdf, doc) | Umamaheswaran, V. S. (2019-01-11), "10.4.8 and 10.4.9", Unconfirmed minutes of WG 2 meeting 67 | |||||
L2/19-242 | N5094 | N2370 | Chan, Eiso (2019-02-14), 20 questionable V4-Source characters in Ext. C and Ext. E [Affects U+2B1E5] | |||
N5086 | N2379 | Proposal of China’s horizontal extension for technical used characters [Affects U+2AED5, U+2AEF3, U+2AF76, and U+2B09F], 2019-05-10 | ||||
L2/19-237 | N5068 | Editorial Report on Miscellaneous Issues (meeting IRG#52) [Affects U+2B1C3 and U+2B1E5], 2019-05-17 | ||||
L2/19-241 | N5083 | N2391 | Errata report for WG2 submission_TCA [Affects U+2B1C3], 2019-05-31 | |||
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See also
References
- "Unicode character database". The Unicode Standard. Retrieved 2016-07-09.
- "Enumerated Versions of The Unicode Standard". The Unicode Standard. Retrieved 2016-07-09.
- "Ideographic Variation Database". Unicode Consortium.
- "UTS #37, Unicode Ideographic Variation Database". Unicode Consortium.
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