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.
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 Count | L2 ID | WG2 ID | IRG ID | Document | |
---|
5.2 | U+2A700..2B734 | 4,149 | [https://www.unicode.org/L2/L2002/02462-n2563-input-fpdam1.pdf L2/02-462]}} | [https://www.unicode.org/wg2/docs/n2563.pdf N2563] | title=CJK Compatibility Ideograph source reference fixes|date=2002-12-11|first=Michel|last=Suignard}} |
[https://www.unicode.org/L2/L2006/06390-n3134.pdf L2/06-390]}} | [https://www.unicode.org/wg2/docs/n3134.doc N3134] | N1226 | title=Proposal to encode CJK Unified Ideographs Extension C1 in SIP|date=2006-08-27}} |
[https://www.unicode.org/L2/L2006/06363-c1-set.pdf L2/06-363]}} | title=UTC Extension C1 Characters|date=2006-11-01|first=John|last=Jenkins}} |
[https://www.unicode.org/L2/L2006/06351-wg2-docket.txt L2/06-351]}} | title=WG2 Consent Docket|date=2006-11-06|first=Ken|last=Whistler|section=CJK Unified Ideographs Extension C}} |
[https://www.unicode.org/L2/L2006/06390-files/06390-n3134A1.pdf L2/06-390.1]}} | [https://www.unicode.org/wg2/docs/n3134a1.pdf N3134.1]}} | title=Proposal to encode CJK Unified Ideographs Extension C1 in SIP, Data files part 1|date=2006-11-13}} |
[https://www.unicode.org/L2/L2006/06390-files/06390-n3134A2.pdf L2/06-390.2]}} | [https://www.unicode.org/wg2/docs/n3134a2.pdf N3134.2]}} | title=Proposal to encode CJK Unified Ideographs Extension C1 in SIP, Data files part 2|date=2006-11-13}} |
[https://www.unicode.org/L2/L2006/06390-files/06390-n3134A3.pdf L2/06-390.3]}} | [https://www.unicode.org/wg2/docs/n3134a3.pdf N3134.3]}} | title=Proposal to encode CJK Unified Ideographs Extension C1 in SIP, Data files part 3|date=2006-11-13}} |
[https://www.unicode.org/wg2/docs/n3134ab.xls N3134.4]}} | title=Proposal to encode CJK Unified Ideographs Extension C1 in SIP, Attachment B (detailed source information for every character)|date=2006-11-13}} |
[https://www.unicode.org/L2/L2006/06404-n3190.pdf L2/06-404]}} | [https://www.unicode.org/wg2/docs/n3190.pdf N3190] | title=CJK Ext. C Multicolumn Code Table|date=2006-12-21|first=Qin|last=Lu}} |
[https://www.unicode.org/L2/L2007/07125-n3244.pdf L2/07-125]}} | [https://www.unicode.org/wg2/docs/n3244.pdf N3244] | title=Review of CJK-C Repertoire|date=2007-04-24}} |
[https://www.unicode.org/L2/L2007/07160-u-source-correction.pdf L2/07-160]}} | title=U-source Correction for Extension C|date=2007-05-10|first=John|last=Jenkins}} |
[https://www.unicode.org/L2/L2007/07118.htm L2/07-118R2]}} | title=UTC #111 Minutes|date=2007-05-23|first=Lisa|last=Moore|section=IRG - Review of CJK-C Repertoire}} |
[https://www.unicode.org/L2/L2007/07244-n3281-14cjk-glyph-chg.pdf L2/07-244]}} | [https://www.unicode.org/wg2/docs/n3281a.pdf N3281-A],}} {{nobr|[https://www.unicode.org/wg2/docs/n3281b.xls N3281-B]}} | N1331 | title=Request for Glyph Change in CJK C PDAM5|date=2007-07-16|first=Qin|last=Lu}} |
[https://www.unicode.org/L2/L2007/07245-n3280-remove-cjk.pdf L2/07-245]}} | [https://www.unicode.org/wg2/docs/n3280a.pdf N3280-A],}} {{nobr|[https://www.unicode.org/wg2/docs/n3280b.xls N3280-B]}} | N1330 | title=Request for Removal of Characters in CJK C PDAM5|date=2007-07-16|first=Qin|last=Lu}} |
N3279 (Part 1,}} Part 2, xls) | title=CJK Extension C code charts, spreadsheet, chart part 1, chart part 2|date=2007-10-22}} |
[https://www.unicode.org/L2/L2008/08227-extc.pdf L2/08-227]}} | title=CJK Extension C Repertoire|date=2008-05-15|first=Michel|last=Suignard}} |
[https://www.unicode.org/L2/L2008/08310-ext-bc-fonts.html L2/08-310]}} | title=Fonts for Extension B and C and IRG|date=2008-08-12|first=Richard|last=Cook}} |
[https://www.unicode.org/L2/L2010/10195-cjk-charts.txt L2/10-195]}} | title=CJK Charts|date=2010-05-10|first=Michel|last=Suignard}} |
[https://www.unicode.org/L2/L2011/11243-n4111-orphan-ideo-src.pdf L2/11-243]}} | [https://www.unicode.org/wg2/docs/n4111.pdf N4111] | title=Sources for Orphaned CJK Ideographs|date=2011-06-14}} |
[https://www.unicode.org/L2/L2011/11254-wg2-liaison-rept.pdf L2/11-254]}} | title=UTC Liaison Report from WG2|date=2011-06-20|first=Peter|last=Constable|section=Update to UTR #45 U-Source Ideographs requested}} |
[https://www.unicode.org/wg2/docs/n4103.pdf N4103] | title=Unconfirmed minutes of WG 2 meeting 58|date=2012-01-03|section=Resolution 58.05 and M58.06}} |
[https://www.unicode.org/L2/L2014/14260-n4621.pdf L2/14-260]}} | [https://www.unicode.org/wg2/docs/n4621.pdf N4621] | title=CJK chart and source references update|date=2014-10-23|first=Michel|last=Suignard}} |
[https://www.unicode.org/L2/L2015/15242-n4682.pdf L2/15-242]}} | [https://www.unicode.org/wg2/docs/n4682-ErrorReport%20CJK.pdf N4682] | title=Error Report for CJK Unified Ideographs Extensions C and E|date=2015-10-16|first1=Andrew|last1=West|authorlink1=Andrew West (linguist)|first2=Ming|last2=Fan}} |
[https://www.unicode.org/L2/L2017/17180-irgn2202-gsource.pdf L2/17-180]}} | N2202 | title=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+37C3, 3FE0, 20164, 24A7D, 25ED7, 2677C, 26C21, 2A8FB, 2A917, 2AA30, 2BD77, 2C494, 2C72F, and 2CB38]|date=2017-06-02|first=Eiso|last=Chan}} |
[https://www.unicode.org/wg2/docs/n4987-Proposal-China-Horizontal-Extension.pdf N4987] | title=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]|date=2018-06-13}} |
[https://www.unicode.org/wg2/docs/n4988_Proposal-on-Updating-11-CJK-Gsource.pdf N4988] | title=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]|date=2018-06-13}} |
[https://www.unicode.org/wg2/docs/n5020-M67-Minutes.pdf N5020 (pdf],}} [https://www.unicode.org/wg2/docs/n5020-M67-Minutes.doc doc]) | title=Unconfirmed minutes of WG 2 meeting 67 |date=2019-01-11|first=V. S.|last=Umamaheswaran|section=10.4.8 and 10.4.9}} |
1. ^{{cite web|url=https://www.unicode.org|title=Unicode character database|work=The Unicode Standard|accessdate=2016-07-09}} 2. ^{{cite web|url=https://www.unicode.org/versions/enumeratedversions.html|title=Enumerated Versions of The Unicode Standard|work=The Unicode Standard|accessdate=2016-07-09}} 3. ^{{Cite web|url=https://www.unicode.org/ivd/|title=Ideographic Variation Database|publisher=Unicode Consortium}} 4. ^{{Cite web|url=https://www.unicode.org/reports/tr37/|title=UTS #37, Unicode Ideographic Variation Database|publisher=Unicode Consortium}}
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