CJK Strokes (Unicode block)

Unicode character block
(2005)16 (+16)5.1 (2008)36 (+20)15.1 (2023)37 (+1)16.0 (2024)39 (+2) Unicode documentationCode chart ∣ Web pageNote: [1][2]

CJK Strokes is a Unicode block containing examples of each of the standard CJK stroke types.

Block

CJK Strokes[1][2]
Official Unicode Consortium code chart (PDF)
  0 1 2 3 4 5 6 7 8 9 A B C D E F
U+31Cx ㇀ ㇁ ㇂ ㇃ ㇄ ㇅ ㇆ ㇇ ㇈ ㇉ ㇊ ㇋ ㇌ ㇍ ㇎ ㇏
U+31Dx ㇐ ㇑ ㇒ ㇓ ㇔ ㇕ ㇖ ㇗ ㇘ ㇙ ㇚ ㇛ ㇜ ㇝ ㇞ ㇟
U+31Ex ㇠ ㇡ ㇢ ㇣ ㇤ ㇥ ㇯
Notes
1.^ As of Unicode version 16.0
2.^ Grey areas indicate non-assigned code points

History

The following Unicode-related documents record the purpose and process of defining specific characters in the CJK Strokes block:

Version Final code points[a] Count L2 ID WG2 ID IRG ID Document
4.1 U+31C0..31CF 16 L2/03-411 Goldsmith, Deborah; Muller, Eric (2003-10-31), Unencoded chars in GB 18030 & HK-SCS
L2/04-161R N2807 Suignard, Michel; Muller, Eric; Jenkins, John (2004-06-17), HKSCS and GB 18030 PUA characters, background document
L2/04-263 N2808 Suignard, Michel (2004-06-17), HKSCS and GB 18030 PUA characters, request for additional characters and related information
L2/05-058 Whistler, Ken (2005-02-03), "C. Changes to CJK strokes block", WG2 Consent Docket, Part 1: Unicode 4.1 Issues
L2/05-026 Moore, Lisa (2005-05-16), "WG2 - Unicode 4.1 Consent Docket (B.1.16.1)", UTC #102 Minutes
5.1 U+31D0..31E3 20 L2/03-387 N986 Cook, Richard (2003-10-26), Chinese Character Description Language (CDL)
L2/03-404 N985 Bishop, Thomas; Cook, Richard (2003-10-28), A Specification for CDL -- Character Description Language
L2/03-420 N987 Bishop, Thomas; Cook, Richard (2003-11-04), Character Description Language (CDL): The Set of Basic CJK Unified Stroke Types
L2/04-221 N2817 N1096 Bishop, Thomas; Cook, Richard (2004-06-07), Proposal to add a block of CJK Unified Basic Strokes to the UCS
L2/04-367 N2864 N1097 Bishop, Thomas; Cook, Richard (2004-10-25), Proposal to add a block of CJK Basic Strokes to the UCS
L2/06-212 N3063 N1180 Lu, Qin (2006-04-03), Proposed additions to the CJK Strokes block of the UCS
L2/06-108 Moore, Lisa (2006-05-25), "C.4", UTC #107 Minutes
N3103 (pdf, doc) Umamaheswaran, V. S. (2006-08-25), "M48.12", Unconfirmed minutes of WG 2 meeting 48, Mountain View, CA, USA; 2006-04-24/27
L2/23-221 Koo, Night (2023-10-01), Proposal to modify the representative glyph of U+31D2 CJK STROKE P
L2/23-237R Lunde, Ken (2023-11-02), "19", CJK & Unihan Group Recommendations for UTC #177 Meeting
L2/23-231 Constable, Peter (2023-12-08), "Section 19", UTC #177 Minutes, Consensus 177-C14: Accept the proposal to change the representative glyph for U+31D2
15.1 U+31EF 1 L2/21-118R N2492 Lunde, Ken; Jenkins, John H. (2021-08-11), Preliminary proposal to add a new provisional kIDS property (Unihan)
L2/22-136 West, Andrew (2022-07-08), Feedback on Proposals to Encode New Ideographic Description Characters
L2/22-191 N2572 Lunde, Ken; Jenkins, John; West, Andrew (2022-08-24), Proposal to encode five new Ideographic Description Characters
L2/22-227 SAT Feedback to "Preliminary proposal to add a new provisional kIDS property (Unihan)" (IRGN2492) and "Proposal to encode five new Ideographic Description Characters" (IRGN2572), 2022-08-29
L2/22-228 Fan, Ming (2022-09-02), Feedback on IRGN2572 "Proposal to encode 5 new ideograph description characters"
L2/22-247 Lunde, Ken (2022-11-01), "29", CJK & Unihan Group Recommendations for UTC #173 Meeting
L2/22-241 Constable, Peter (2022-11-09), "E.1 29", Approved Minutes of UTC Meeting 173
16.0 U+31E4..31E5 2 L2/23-220 N2647 Koo, Night (2023-10-01), Proposal to encode (disunify) two stroke characters in CJK Strokes block
L2/23-237R Lunde, Ken (2023-11-02), "18", CJK & Unihan Group Recommendations for UTC #177 Meeting
L2/23-231 Constable, Peter (2023-12-08), "Section 18", UTC #177 Minutes
L2/24-044 Koo, Night (2024-02-19), Correcting the proposed name of new character U+31E4 in Unicode 16.0
L2/24-067 Lunde, Ken (2024-04-19), "32 [Affects U+31E4]", CJK & Unihan Working Group Recommendations for UTC #179 Meeting
L2/24-061 Constable, Peter (2024-04-29), "Section 32", UTC #179 Minutes, Consensus 179-C17: Accept the proposal to change the name of U+31E4, from CJK STROKE HZXG to CJK STROKE HXG
  1. ^ Proposed code points and characters names may differ from final code points and names

References

  1. ^ "Unicode character database". The Unicode Standard. Retrieved 2023-07-26.
  2. ^ "Enumerated Versions of The Unicode Standard". The Unicode Standard. Retrieved 2023-07-26.
  • v
  • t
  • e
CJK ideographs in Unicode[a]
Block namePlaneChart rangeCharactersHan unificationScripts contained in block

0 BMP
0 BMP
2 SIP
2 SIP
2 SIP
2 SIP
2 SIP
3 TIP
3 TIP
2 SIP
0 BMP
0 BMP
0 BMP
0 BMP
0 BMP
0 BMP
0 BMP
0 BMP
0 BMP
1 SMP
2 SIP

4E00–9FFF
3400–4DBF
20000–2A6DF
2A700–2B73F
2B740–2B81F
2B820–2CEAF
2CEB0–2EBEF
30000–3134F
31350–323AF
2EBF0–2EE5F
2E80–2EFF
2F00–2FDF
2FF0–2FFF
3000–303F
31C0–31EF
3200–32FF
3300–33FF
F900–FAFF
FE30–FE4F
1F200–1F2FF
2F800–2FA1F

20,992
6,592
42,720
4,154
222
5,762
7,473
4,939
4,192
622
115
214
16
64
39
255
256
472
32
64
542

Unified
Unified
Unified
Unified
Unified
Unified
Unified
Unified
Unified
Unified
Not unified
Not unified
Not unified
Not unified
Not unified
Not unified
Not unified
12 are unified
Not unified
Not unified
Not unified

Han
Han
Han
Han
Han
Han
Han
Han
Han
Han
Han
Han
Common
Han, Hangul, Common, Inherited
Common
Hangul, Katakana, Common
Katakana, Common
Han
Common
Hiragana, Common
Han

Totals 
21
99,737
  
  1. ^
    As of version 16.0