CJK Unified Ideographs Extension J
| CJK Unified Ideographs Extension J | |
|---|---|
| Range | U+323B0..U+3347F (4,304 code points) |
| Plane | TIP |
| Scripts | Han |
| Assigned | 4,298 code points |
| Unused | 6 reserved code points |
| Unicode Version History | |
| 17.0 (2025) | 4,298 (+4,298) |
| Unicode documentation | |
| Code chart ∣ Web page | |
| Note: [1][2] | |
CJK Unified Ideographs Extension J is a Unicode block containing rare and historic CJK Unified Ideographs for Chinese, Japanese, Korean, and Vietnamese which were submitted to the Ideographic Research Group in 2021.[3][4]
Block
[edit]History
[edit]The following Unicode-related documents record the purpose and process of defining specific characters in the CJK Unified Ideographs Extension J block:
| Version | Final code points[a] | Count | L2 ID | WG2 ID | IRG ID | Document |
|---|---|---|---|---|---|---|
| 17.0 | U+323B0..33479 | 4,298 | N5257R | N2678R2 | Proposal on new CJK Unified Ideographs Extension for IRG WS2021, 2024-06-26 | |
| L2/24-138 | N5254 | "Recommendation M71.14", Recommendations from WG 2 meeting 71, 2024-06-14 | ||||
| L2/24-165 | Lunde, Ken (2024-07-11), "07", CJK & Unihan Working Group Recommendations for UTC #180 Meeting | |||||
| N2707 | CJK Unified Ideographs Extension J code chart (DRAFT; 4,300 ideographs: 323B0..3347B), 2024-07-14 | |||||
| L2/24-159 | Constable, Peter (2024-07-29), "Consensus 180-C1", UTC #180 Minutes, Accept 4,300 CJK Unified Ideographs | |||||
| N2723 | Bai, Yi (2024-09-23), Issues about one unification case in Working Set 2021 | |||||
| N2724 | TCA's Response to IRGN2723, 2024-10-01 | |||||
| N2702 | Lunde, Ken (2024-10-24), "Recommendation IRG M63.11", IRG Meeting #63 Recommendations and Action Items | |||||
| N2704 | "1. Disunifications and unifications", Editorial Report on Miscellaneous Issues, 2024-10-24 | |||||
| N5289 | Yang, Tao (2024-11-04), Proposal to remove 2 characters from Extension J | |||||
| L2/25-090 | Lunde, Ken (2025-04-11), "32 [Affects U+32EBE]", CJK & Unihan Working Group Recommendations for UTC Meeting #183 | |||||
| ||||||
References
[edit]- ↑ "Unicode character database". The Unicode Standard. Retrieved 2025-09-09.
- ↑ "Enumerated Versions of The Unicode Standard". The Unicode Standard. Retrieved 2025-09-09.
- ↑ "IRG N2678R2: Proposal on new CJK Unified Ideographs Extension for IRG WS2021" (PDF). 2024-06-26.
- ↑ "18.1: Han (§ Blocks Containing Han Ideographs)". The Unicode Standard. The Unicode Consortium. September 2025.