CJK Unified Ideographs Extension H

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Short description: Unicode character block
CJK Unified Ideographs Extension H
RangeU+31350..U+323AF
(4,192 code points)
PlaneTIP
ScriptsHan
Unused4,192 reserved code points
Note: [1][2]

CJK Unified Ideographs Extension H is a Unicode block containing rare and historic CJK Unified Ideographs for Chinese, Japanese, Korean, Sawndip, and Vietnamese submitted to the Ideographic Research Group during 2017.[3]

Block

History

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

Version Final code points[lower-alpha 1] Count L2 ID WG2 ID IRG ID Document
15.0 U+31350..323AF 4,192 L2/06-364 Jenkins, John (2006-11-01), Proposed UTC C2 Submission [Affects U+3184B] 
L2/06-324R2 Moore, Lisa (2006-11-29), UTC #109 Minutes, "Submit the characters in L2/06-364 (including Lee's) to the IRG." 
L2/15-177R Fan, Ming (2015-08-30), Proposal to add 109 ideographs to UAX #45 [Affects U+31AA3, 321E0, 32344] 
L2/15-254 Moore, Lisa (2015-11-16), UTC #145 Minutes, "Accept the proposal to submit 313 characters documented in L2/15-223 and send to the IRG." 
L2/16-066 Yuan, Xu (2016-03-14), Proposal on creating 2 Chinese Ancient Characters [Affects U+32100] 
L2/16-239R Fan, Ming (2016-08-29), Proposal of Urgently Needed Characters [Affects U+313BC, 31DC8] 
L2/16-269 Jenkins, John H. (2016-09-27), Report on 〇 and Two Ideographs [Affects U+317AB] 
L2/16-325 Moore, Lisa (2016-11-18), UTC #149 Minutes, "Add character Hanyu Dazidian 42326.100 to proposed update of UAX #45, and include in our submission for Extension H. See L2/16-269." 
L2/16-385R Chan, Eiso (2017-01-16), Proposal to add an ideograph to UAX #45 [Affects U+32003] 
L2/17-062 (pdf, zip) Wang, Xieyang (2017-03-01), Proposal to add 100 place names used ideographs to UAX #45 [Affects U+31379, 313CB, 313E4, 31408, 3145E, 314F0, 31580, 31587, 3158E-3158F, 31596, 31598, 3159E, 315A2, 315A7, 315AB-315AD, 315B2-315B3, 315B4, 315BE, 315C4-315C5, 315CD, 315DA, 315E5, 315E8, 315EE-315F0, 31604, 31606, 31609, 3162E, 31632, 316B1, 316B2, 316C2, 316C6-316C7, 316CF-316D0, 316E4, 316E6, 316E8, 316EE, 3170E, 31712, 3187F, 31884, 318D5, 318E4, 31970, 31977, 31994-31995, 31A49, 31A4A, 31BDE, 31C24-31C25, 31C27, 31C2E, 31C33, 31C50, 31CED, 31CFE, 31D07, 31D10, 31D29, 31D2A, 31E11, 31E16, 31E1B, 31E25, 31E27-31E28, 31E99, 31EB2-31EB3, 31ECB, 31F6A, 3200A, 3201D, 320BA, 32117, 3214C, 32152, 32199, 3223C, 3224D, 322B9, 32353, 3237C] 
L2/17-079 Chan, Eiso (2017-03-28), Proposal to add two ideographs for Gongche Notation to UAX #45 [Affects U+3176B-3176C] 
L2/17-083 Wang, Xieyang (2017-04-03), Proposal to add one ideograph used in Teochew Dialects to UAX #45 [Affects U+317DB] 
L2/17-099 Wang, Xieyang (2017-04-17), Proposal to add an ideograph for Haifeng County to UAX #45 as a urgently needed character [Affects U+31E4D] 
L2/17-111 Li, Eddie (2017-04-26), Proposal to add an ideograph for Chemistry to UAX #45 [Affects U+31F66] 
L2/17-103 Moore, Lisa (2017-05-18), UTC #151 Minutes 
N2210R Chan, Eiso; Chau, Gienwen; Wang, Xieyang (2017-06-08), Comments on U+5CC0 & U+2F936 
N2227 Working Set 2017 Version 0.0, 2017-10-12 
L2/17-204 Fan, Ming (2017-07-23), Proposal to add 78 ideographs to UAX #45 [Affects U+31350, 313CA, 313D5, 313E2, 31426, 31583, 31602, 3175F, 31761, 317CA, 317D3, 317FA, 31816, 31839, 31903, 3195C, 31A1A, 31AA6, 31ACB, 31B16, 31B7F, 31CBD, 31CD2, 31D3C, 31D54, 31DDC, 31E2D, 31F7A, 31F9F, 31FA0, 31FF4, 32043, 32048, 320CD, 320FD, 320FF, 32109, 32111, 32149, 321AB, 322B5, 322FC, 32302-32303, 3230F, 32322, 3238E, 323A0] 
L2/17-286 Lunde, Ken (2017-08-02), Preliminary IRG Working Set 2017 Submission 
L2/17-222 Moore, Lisa (2017-08-11), UTC #152 Minutes, "Prepare a submission to IRG based on documents L2/17-286 and L2/17-204 with possible refinements." 
L2/17-308 N2232 Lunde, Ken (2017-09-05), Proposal for IRG Working Set 2017 from UTC 
N2228 Proposal for IRG Working Set 2017 from China, 2017-09-15 
N2229 Proposal for IRG Working Set 2017 from ROK, 2017-09-15 
N2230 Proposal for IRG Working Set 2017 from SAT, 2017-09-15 
N2231 Proposal for IRG Working Set 2017 from TCA, 2017-09-15 
N2241 Proposal for IRG Working Set 2017 from Vietnam, 2017-09-15 
N2270 IRG WS 2017 V1.1 (erroneously marked as V0.1), 2018-04-10 
N2292.docx Editorial Report on WS2017, 2018-05-24 
L2/18-269 N2309 IRG Working Set 2017 Version 2.0, 2018-07-15 
L2/18-270 Lunde, Ken (2018-08-23), IRG N2309 IRG Working Set 2017 Version 2.0 UTC Comments 
L2/18-315 Lunde, Ken (2018-10-14), UTC Response to IRG Working Set 2017 Version 2.0 (IRG N2309) Consolidated Comments [Affects U+317E1] 
N2328 Editorial Report on IRG WS 2017, 2018-10-26 
N2347 WS 2017 V3.0, 2019-05-11 
N2364 Editorial Report on IRG Working Set 2017 v3.0, 2019-05-17 
N2385 IRG WS 2017 Version 4.0, 2019-06-14 
N2406 Editorial Report on IRG Working Set 2017 v4.0, 2019-10-24 
N2423 IRG Working Set 2017 Version 5.0, 2020-01-09 
N2429 V0 Source Corrections, 2020-03-11 
N2435 IRG WS 2017 v5.1, 2020-08-04 
L2/21-023 N2444 IRG Working Set 2017 Version 5.2, 2021-01-07 
L2/21-053 N5156 N2469 Suignard, Michel (2021-03-04), Additional repertoire for a future version of Unicode (post Unicode 14.0) 
L2/21-062 N2463R IRG #56 Editorial Report, 2021-04-07 
N2475 IRG Working Set 2017 Version 6.0 (Draft Code Chart of Ext. H), 2021-07-12 
N2480 IRG Working Set 2017 Version 6.1, 2021-08-18 
L2/21-158 N5165 N2500 IRG Meeting #57 Recommendations and Action Items, 2021-09-17 
N2506 IRG#57 Editorial Report, 2021-09-17 
N2513 IRG WS 2017 V7.0, 2021-09-22 
L2/22-022 Lunde, Ken (2022-01-26), CJK & Unihan Group Recommendations for UTC #170 Meeting 
L2/22-016 Constable, Peter (2022-04-21), UTC #170 Minutes 
N2544 IRG WS 2017 V7.1 with code range change to U+31350 - U+323AF, 2022-02-25 
N2555 Errata of IRG WS2017 v7.0 (CJK Unified Ideographs Extension H) [Affects U+31F4C, 31F68], 2022-05-08 
N5194 Disposition of comments on CDAM1.2 to ISO/IEC 10646 6th edition, 2022-06-23 
L2/22-127 Lunde, Ken (2022-07-21), CJK & Unihan Group Recommendations for UTC #172 Meeting 
L2/22-121 Constable, Peter (2022-08-01), Draft Minutes of UTC Meeting 172 [Affects U+31F4C, 31F68] 
L2/23-085 N2577 Chan, Henry; Woo, Chi Chung (2022-10-02), Request to Update Glyph for U+31D5A 
L2/22-258 Shin, SangHyun; Kim, Kyongsok (2022-10-14), Changing glyphs and IDSs of 97 KR Hanja chars containing '叱 (U+53F1)' [Affects U+314B7, 31542, and 31569] 
L2/22-256 N2580R T-Source Glyph Correction and Horizontal Extension [Affects U+31C7F], 2022-10-18 
L2/22-247 Lunde, Ken (2022-11-01), CJK & Unihan Group Recommendations for UTC #173 Meeting 
L2/22-241 Constable, Peter (2022-11-09), Approved Minutes of UTC Meeting 173 
L2/23-076 Constable, Peter (2023-05-01), UTC #175 Minutes, "Accept the proposal to change the T-source representative glyph for U+31D5A" 
  1. ↑ Proposed code points and characters names may differ from final code points and names

References

  1. ↑ "Unicode character database". The Unicode Standard. https://www.unicode.org/ucd/. 
  2. ↑ "Enumerated Versions of The Unicode Standard". The Unicode Standard. https://www.unicode.org/versions/enumeratedversions.html. 
  3. ↑ "18.1: Han (§ Blocks Containing Han Ideographs)", The Unicode Standard: Core Specification, Version 15.0: pp. 741–744, 2022, ISBN 978-1-936213-32-0, https://www.unicode.org/versions/Unicode15.0.0/ch18.pdf#page=6 



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