CJK Radicals Supplement

Unicode character block
(1999)115 (+115) Unicode documentationCode chart ∣ Web pageNote: [1][2]

CJK Radicals Supplement is a Unicode block containing alternative, often positional, forms of the Kangxi radicals. They are used as headers in dictionary indices and other CJK ideograph collections organized by radical-stroke.

Block

CJK Radicals Supplement[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+2E8x ⺀ ⺁ ⺂ ⺃ ⺄ ⺅ ⺆ ⺇ ⺈ ⺉ ⺊ ⺋ ⺌ ⺍ ⺎ ⺏
U+2E9x ⺐ ⺑ ⺒ ⺓ ⺔ ⺕ ⺖ ⺗ ⺘ ⺙ ⺛ ⺜ ⺝ ⺞ ⺟
U+2EAx ⺠ ⺡ ⺢ ⺣ ⺤ ⺥ ⺦ ⺧ ⺨ ⺩ ⺪ ⺫ ⺬ ⺭ ⺮ ⺯
U+2EBx ⺰ ⺱ ⺲ ⺳ ⺴ ⺵ ⺶ ⺷ ⺸ ⺹ ⺺ ⺻ ⺼ ⺽ ⺾ ⺿
U+2ECx ⻀ ⻁ ⻂ ⻃ ⻄ ⻅ ⻆ ⻇ ⻈ ⻉ ⻊ ⻋ ⻌ ⻍ ⻎ ⻏
U+2EDx ⻐ ⻑ ⻒ ⻓ ⻔ ⻕ ⻖ ⻗ ⻘ ⻙ ⻚ ⻛ ⻜ ⻝ ⻞ ⻟
U+2EEx ⻠ ⻡ ⻢ ⻣ ⻤ ⻥ ⻦ ⻧ ⻨ ⻩ ⻪ ⻫ ⻬ ⻭ ⻮ ⻯
U+2EFx ⻰ ⻱ ⻲ ⻳
Notes
1.^ As of Unicode version 15.1
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 Radicals Supplement block:

Version Final code points[a] Count L2 ID WG2 ID IRG ID Document
3.0 U+2E80..2E99, 2E9B..2EF3 115 L2/97-025 N1492 N407 Proposal Summary Form for Ideographic Radical Supplement, 1996-06-27
N1432 N367 Proposal Summary Form: Ideographic Radical Supplement, 1996-08-01
N1453 Ksar, Mike; Umamaheswaran, V. S. (1996-12-06), "9.8 Ideographic Radical Supplement", WG 2 Minutes - Quebec Meeting 31
N429 TCA's Position Concerning on the WG2's Comments of Ideographic Radical Supplement, 1997-01-15
L2/97-023 N1486 N437 IRG #8 Resolutions, 1997-01-16
N1489 Supplement to Ideographic Components and Composition Schemes, 1997-01-16
N1490 N436 Response to WG2 question on Ideographic Structure Characters, 1997-01-16
L2/97-030 N1503 (pdf, doc) Umamaheswaran, V. S.; Ksar, Mike (1997-04-01), "9.4", Unconfirmed Minutes of WG 2 Meeting #32, Singapore; 1997-01-20--24
L2/97-114 N1544 (html, doc) N453 Sato, T. K. (1997-04-08), Questions on the "Han structure method" described in WG2 N1490 (IRG N436)
N454 Addition of new radicals, 1997-04-08
N455 Japanese Proposal to the Radical Supplement, 1997-04-14
L2/97-162 N1617 N480 Zhang, Zhoucai (1997-06-27), Ideographic Radical Supplement
L2/97-288 N1603 Umamaheswaran, V. S. (1997-10-24), "9.3", Unconfirmed Meeting Minutes, WG 2 Meeting # 33, Heraklion, Crete, Greece, 20 June – 4 July 1997
L2/98-106 N1732 Zhang, Zhoucai (1998-03-19), CJK Radical Suppliment [sic]
L2/98-332 N1923 Combined PDAM registration and consideration ballot on WD for ISO/IEC 10646-1/Amd. 15, AMENDMENT 15: Kang Xi radicals and CJK radicals supplement, 1998-10-28
L2/98-415 Jenkins, John (1998-12-01), Comments on the CJK Radicals Supplement
L2/99-010 N1903 (pdf, html, doc) Umamaheswaran, V. S. (1998-12-30), "10.4", Minutes of WG 2 meeting 35, London, U.K.; 1998-09-21--25
L2/98-419 (pdf, doc) Aliprand, Joan (1999-02-05), "CJK Radicals Supplement", Approved Minutes -- UTC #78 & NCITS Subgroup L2 # 175 Joint Meeting, San Jose, CA -- December 1-4, 1998
L2/99-073 N1968 (html, doc) Summary of Voting on SC 2 N 3213, PDAM ballot on WD for 10646-1/Amd. 15: Kang Xi radicals and CJK radicals supplement, 1999-02-08
L2/99-119 Text for FPDAM ballot of ISO/IEC 10646, Amd. 15 - Kang Xi radicals and CJK radicals supplement, 1999-04-07
L2/99-232 N2003 Umamaheswaran, V. S. (1999-08-03), Minutes of WG 2 meeting 36, Fukuoka, Japan, 1999-03-09--15
L2/99-252 N2065 Summary of Voting on SC 2 N 3311, ISO 10646-1/FPDAM 15 - Kang Xi radicals and CJK radicals supplement, 1999-08-19
L2/99-299 N2121 Disposition of Comments Report on SC 2 N 3311, ISO/IEC 10646-1/FPDAM 15 AMENDMENT 15: Kang Xi radicals and CJK radicals supplement, 1999-09-20
L2/99-300 N2122 Paterson, Bruce (1999-09-21), Revised Text for FDAM ballot of ISO/IEC 10646-1/FDAM 15, AMENDMENT 15: Kang Xi radicals and CJK radicals supplement
L2/00-010 N2103 Umamaheswaran, V. S. (2000-01-05), Minutes of WG 2 meeting 37, Copenhagen, Denmark: 1999-09-13--16
L2/00-044 Summary of FDAM voting: ISO 10646 Amendment 15: Kang Xi radicals and CJK radicals supplement, 2000-01-31
N5122 "M68.12", Unconfirmed minutes of WG 2 meeting 68, 2019-12-31
L2/19-212R N5069R Lunde, Ken (2019-06-20), Proposal to change the font for the CJK Radicals Supplement & Kangxi Radicals blocks
L2/19-270 Moore, Lisa (2019-08-02), "B.4.4 Proposal to change the font for the CJK Radicals Supplement and Kangxi Radicals blocks", UTC #160 Minutes
  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
37
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
99,735
  
  1. ^
    As of version 15.1