CJK Unified Ideographs Extension E
CJK Unified Ideographs Extension E is a Unicode block containing rare and historic CJK ideographs for Chinese, Japanese, Korean, and Vietnamese submitted to the Ideographic Research Group between 2006 and 2013, excluding the characters submitted as "urgently needed" between 2006 and 2009, which were included in CJK Unified Ideographs Extension D.[3]
| CJK Unified Ideographs Extension E | |
|---|---|
| Range | U+2B820..U+2CEAF (5,776 code points) |
| Plane | SIP |
| Scripts | Han |
| Assigned | 5,762 code points |
| Unused | 14 reserved code points |
| Unicode version history | |
| 8.0 (2015) | 5,762 (+5,762) |
| Unicode documentation | |
| Code chart ∣ Web page | |
| Note: [1][2] | |
The block has dozens of ideographic variation sequences registered in the Unicode Ideographic Variation Database (IVD).[4][5] 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 E block:
| Version | Final code points[lower-alpha 1] | Count | L2 ID | WG2 ID | IRG ID | Document |
|---|---|---|---|---|---|---|
| 8.0 | U+2B820..2CEA1 | 5,762 | L2/04-185 | Jenkins, John (2004-06-07), Propsed [sic] Extension C2 Submission | ||
| L2/06-364 | Jenkins, John (2006-11-01), Proposed UTC C2 Submission | |||||
| L2/06-365 | Jenkins, John (2006-11-01), Proposed UTC C2 Non-submission | |||||
| L2/06-366 | Jenkins, John (2006-11-08), Status of Characters Submitted to the UTC for Inclusion in the Standard | |||||
| 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", Unconfirmed minutes of WG 2 meeting 58, 2012-01-03 | |||||
| N4358 | Proposal Summary Form - CJK Unified Ideograph Extension E, 2012-10-10 | |||||
| N4358-A | Code charts for CJK Unified Ideograph Extension E, 2012-10-10 | |||||
| N4358-B | Spread sheet for CJK Unified Ideograph Extension E, 2012-10-10 | |||||
| N4439 | N1948 | CJK_E Correction, 2013-05-22 | ||||
| N4353 (pdf, doc) | "M60.07", Unconfirmed minutes of WG 2 meeting 60, 2013-05-23 | |||||
| L2/13-132 | Moore, Lisa (2013-07-29), "Consensus 136-C29", UTC #136 Minutes, Accept 5762 CJK characters at U+2B820..U+2CEA1 with block CJK Extension E at U+2B820..U+2CEAF, with code points and glyphs as shown in L2/13-151 for encoding in a future version of the standard. | |||||
| L2/13-177 | Chung, Jaemin; Lunde, Ken (2013-08-25), Extension E (WG2 N4459) source glyph error report | |||||
| N4403 (pdf, doc) | Umamaheswaran, V. S. (2014-01-28), "Resolution M61.02 item i", Unconfirmed minutes of WG 2 meeting 61, Holiday Inn, Vilnius, Lithuania; 2013-06-10/14 | |||||
| L2/14-094 | Chung, Jaemin (2014-04-24), Extension F1 and Extension E unification issue | |||||
| L2/15-216 | Lunde, Ken (2015-08-14), Request for kTotalStrokes Data for Extension E & Beyond | |||||
| 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+2BD77, U+2C494, U+2C72F, and U+2CB38] | ||||
| N4974 | N2301 | Request of TCA's Horizontal Extension for Chemical Terminology [Affects U+2BA52 and U+2C734], 2018-06-12 | ||||
| N4987 | Proposal on China's Horizontal Extension for 14 CJK Ideographs [Affects U+2BD77, 2C494, 2C72F and 2CB38], 2018-06-13 | |||||
| N5020 (pdf, doc) | Umamaheswaran, V. S. (2019-01-11), "10.4.6 and 10.4.8", 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+2B83C, U+2B8D9, U+2B8DA, U+2B96F, U+2BBD7, U+2BD61, U+2BE4A, U+2BF9D, U+2C0B8, U+2C142, U+2C316, U+2C3FB, U+2C402, U+2C82C, U+2C83A, U+2C9A1, and U+2CC88] | |||
| N2369 | Chan, Eiso (2019-05-06), Feedback on IRGN2369 [Affects U+2C176 and U+2DE4A] | |||||
| N5086 | N2379 | Proposal of China's horizontal extension for technical used characters [Affects U+2BF1D and U+2C7AC], 2019-05-10 | ||||
| L2/19-237 | N5068 | Editorial Report on Miscellaneous Issues (meeting IRG#52) [Affects U+2B83C, U+2B8D9, U+2B8DA, U+2B96F, U+2BBD7, U+2BD61, U+2BE4A, U+2BF9D, U+2C0B8, U+2C142, U+2C316, U+2C3FB, U+2C402, U+2C82C, U+2C83A, U+2C9A1, and U+2CC88], 2019-05-17 | ||||
| L2/19-244 | N5107 | TCA's UNC Proposal for WG2 submission [Affects U+2CD68], 2019-05-24 | ||||
| L2/22-256 | N2580R | T-Source Glyph Correction and Horizontal Extension [Affects U+2C816], 2022-10-18 | ||||
| L2/22-259 | N2556R2 | Chan, Eiso; Collins, Lee; Việt, Ngô Trung (2022-10-20), IRGN2556R2 V-Source Glyph and Codes Updates [Affects U+2BC2E, 2BF45, 2C04C, 2C13A, 2C43C, and 2C43E] | ||||
| L2/22-247 | Lunde, Ken (2022-11-01), "24) L2/22-256 and 26) L2/22-259", CJK & Unihan Group Recommendations for UTC #173 Meeting | |||||
| L2/22-241 | Constable, Peter (2022-11-09), "E.1 24) L2/22-256 and E.1 26) L2/22-259", Approved Minutes of UTC Meeting 173 | |||||
| ||||||
References
- "Unicode character database". The Unicode Standard. Retrieved 2023-07-26.
- "Enumerated Versions of The Unicode Standard". The Unicode Standard. Retrieved 2023-07-26.
- "18.1: Han (§ Blocks Containing Han Ideographs)" (PDF). The Unicode Standard: Core Specification. Version 15.0. Unicode Consortium. pp. 741–744. 2022. ISBN 978-1-936213-32-0.
- "Ideographic Variation Database". Unicode Consortium.
- "UTS #37, Unicode Ideographic Variation Database". Unicode Consortium.
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