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Variation Selectors Supplement

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Unicode block containing additional Variation Selectors
Unicode character block
Variation Selectors Supplement
RangeU+E0100..U+E01EF
(240 code points)
PlaneSSP
ScriptsInherited
Assigned240 code points
Unused0 reserved code points
Unicode version history
4.0 (2003)240 (+240)
Unicode documentation
Code chart ∣ Web page
Note: [1] [2]

Variation Selectors Supplement is a Unicode block containing additional variation selectors beyond those found in the Variation Selectors block.

These combining characters are named variation selector-17 (for U+E0100) through to variation selector-256 (U+E01EF), abbreviated VS17 – VS256.

Ideographic Variation Sequences

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As of 23 October 2025[update] , VS17 (U+E0100) to VS48 (U+E011F) are used in ideographic variation sequences in the Unicode Ideographic Variation Database (IVD).[3] [4] These selectors are known as Ideographic Variation Selectors (IVS). They are not listed in the list of standardized variation sequence, instead they are listed in another Ideographic Variation Database.[3]

IVD collections

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The following IVS collections are currently registered in the IVD:[3]

Region Name Purpose First registered Last updated Number of sequences Chart
Japan Adobe-Japan1 CID-keyed Japanese OpenType fonts. Defines at least one sequence for every Japanese kanji from the Adobe-Japan1 collection present in Unicode, even for those with only one glyph, both as future-proofing and to allow that (Japan-region) glyph to be uniquely referenced.[5] 2007年12月14日 2022年09月13日 14684
Japan Hanyo-Denshi Unicode characters corresponding to more than one glyph collected by the Han'yō Denshi program, a union of the character repertoires of the legacy kanji character sets used by multiple administrative systems in Japan (precursor to Moji Jōhō Kiban).[6] Approximately 60% of the initial registration matches Adobe-Japan1 glyphs, but the existing Adobe-Japan1 variation sequences are not used for them.[7] 2010年11月14日 2012年03月02日 13045 All Han'yō Denshi sequences
Japan Moji_Joho Unicode characters corresponding to more than one entry in the Moji Jōhō Kiban, a database of kanji used for administrative purposes in Japan. Supersedes and deprecates the Hanyo-Denshi collection, from which it retains 9866 of the existing IVSes.[6] 2014年05月16日 2017年12月12日 11384 All Moji Jōhō sequences
Macau MSARG Macao Supplementary Character Set (MSCS) 2016年08月15日 2020年11月06日 154 All MSCS sequences
South Korea KRName Standard character variants permitted in personal names in South Korea 2017年12月12日 36 All Korean name sequences
China CAAPH Variant forms required for digitization of intangible cultural heritage in databases and e-books by the Culture and Art Publishing House.[8] 2025年07月14日 198 All CAAPH sequences

Proposed IVD collections

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As of 23 October 2025[update] , there are no IVD collection submissions under review.[3]

Similarly to the Moji Jōhō Kiban's role in Japan, the character repertoire of CNS 11643 (including draft revisions) is used for administrative purposes in Taiwan.[9] In some cases, multiple of these correspond to a single Unicode character.[10] Many of these cases are currently handled with mappings to the Supplementary Private Use Area.[10] However, the Taipei Computer Association, which represents the interests of Taiwan in the Ideographic Research Group, has been evaluating the feasibility of registering an additional IVD collection in the future.[10] [11]

Code chart

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Variation Selectors Supplement [1]
Official Unicode Consortium code chart (PDF)
  0 1 2 3 4 5 6 7 8 9 A B C D E F
U+E010x  VS 
17  VS 
18  VS 
19  VS 
20  VS 
21  VS 
22  VS 
23  VS 
24  VS 
25  VS 
26  VS 
27  VS 
28  VS 
29  VS 
30  VS 
31  VS 
32
U+E011x  VS 
33  VS 
34  VS 
35  VS 
36  VS 
37  VS 
38  VS 
39  VS 
40  VS 
41  VS 
42  VS 
43  VS 
44  VS 
45  VS 
46  VS 
47  VS 
48
U+E012x  VS 
49  VS 
50  VS 
51  VS 
52  VS 
53  VS 
54  VS 
55  VS 
56  VS 
57  VS 
58  VS 
59  VS 
60  VS 
61  VS 
62  VS 
63  VS 
64
U+E013x  VS 
65  VS 
66  VS 
67  VS 
68  VS 
69  VS 
70  VS 
71  VS 
72  VS 
73  VS 
74  VS 
75  VS 
76  VS 
77  VS 
78  VS 
79  VS 
80
U+E014x  VS 
81  VS 
82  VS 
83  VS 
84  VS 
85  VS 
86  VS 
87  VS 
88  VS 
89  VS 
90  VS 
91  VS 
92  VS 
93  VS 
94  VS 
95  VS 
96
U+E015x  VS 
97  VS 
98  VS 
99  VS 
100  VS 
101  VS 
102  VS 
103  VS 
104  VS 
105  VS 
106  VS 
107  VS 
108  VS 
109  VS 
110  VS 
111  VS 
112
U+E016x  VS 
113  VS 
114  VS 
115  VS 
116  VS 
117  VS 
118  VS 
119  VS 
120  VS 
121  VS 
122  VS 
123  VS 
124  VS 
125  VS 
126  VS 
127  VS 
128
U+E017x  VS 
129  VS 
130  VS 
131  VS 
132  VS 
133  VS 
134  VS 
135  VS 
136  VS 
137  VS 
138  VS 
139  VS 
140  VS 
141  VS 
142  VS 
143  VS 
144
U+E018x  VS 
145  VS 
146  VS 
147  VS 
148  VS 
149  VS 
150  VS 
151  VS 
152  VS 
153  VS 
154  VS 
155  VS 
156  VS 
157  VS 
158  VS 
159  VS 
160
U+E019x  VS 
161  VS 
162  VS 
163  VS 
164  VS 
165  VS 
166  VS 
167  VS 
168  VS 
169  VS 
170  VS 
171  VS 
172  VS 
173  VS 
174  VS 
175  VS 
176
U+E01Ax  VS 
177  VS 
178  VS 
179  VS 
180  VS 
181  VS 
182  VS 
183  VS 
184  VS 
185  VS 
186  VS 
187  VS 
188  VS 
189  VS 
190  VS 
191  VS 
192
U+E01Bx  VS 
193  VS 
194  VS 
195  VS 
196  VS 
197  VS 
198  VS 
199  VS 
200  VS 
201  VS 
202  VS 
203  VS 
204  VS 
205  VS 
206  VS 
207  VS 
208
U+E01Cx  VS 
209  VS 
210  VS 
211  VS 
212  VS 
213  VS 
214  VS 
215  VS 
216  VS 
217  VS 
218  VS 
219  VS 
220  VS 
221  VS 
222  VS 
223  VS 
224
U+E01Dx  VS 
225  VS 
226  VS 
227  VS 
228  VS 
229  VS 
230  VS 
231  VS 
232  VS 
233  VS 
234  VS 
235  VS 
236  VS 
237  VS 
238  VS 
239  VS 
240
U+E01Ex  VS 
241  VS 
242  VS 
243  VS 
244  VS 
245  VS 
246  VS 
247  VS 
248  VS 
249  VS 
250  VS 
251  VS 
252  VS 
253  VS 
254  VS 
255  VS 
256
Notes
1.^ As of Unicode version 17.0

History

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The following Unicode-related documents record the purpose and process of defining specific characters in the Variation Selectors Supplement block:

Version Final code points[a] Count L2 ID WG2 ID Document
4.0 U+E0100..E01EF 240 L2/97-260 Hiura, Hideki; Kobayashi, Tatsuo (1997年12月01日), Plane 14 Variant Tag
L2/98-039 Aliprand, Joan; Winkler, Arnold (1998年02月24日), "2.D.4 Variant Tag Mechanism", Preliminary Minutes - UTC #74 & L2 #171, Mountain View, CA - December 5, 1997
L2/98-277 Hiura, Hideki; Kobayashi, Tatsuo (1998年07月29日), Plane 14 Variant tag
L2/98-281R (pdf, html) Aliprand, Joan (1998年07月31日), "III.E.3 Variant Tagging (III.E.3)", Unconfirmed Minutes – UTC #77 & NCITS Subgroup L2 # 174 JOINT MEETING, Redmond, WA -- July 29-31, 1998
L2/01-268 Freytag, Asmus (2001年06月27日), Variant selector
L2/01-309 Jenkins, John (2001年08月08日), Variation selectors and Han
L2/01-324R Davis, Mark (2001年08月17日), Variation Selectors [document has incorrect L2 ID number]
L2/01-295R Moore, Lisa (2001年11月06日), "88-M5", Minutes from the UTC/L2 meeting #88
L2/02-154 N2403 Umamaheswaran, V. S. (2002年04月22日), "7.12", Draft minutes of WG 2 meeting 41, Hotel Phoenix, Singapore, 2001年10月15日/19
L2/02-372 N2453 (pdf, doc) Umamaheswaran, V. S. (2002年10月30日), "M42.21 (Amendment 1 to 10646-2)", Unconfirmed minutes of WG 2 meeting 42
  1. ^ Proposed code points and characters names may differ from final code points and names

References

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  1. ^ "Unicode character database". The Unicode Standard. Retrieved 2023年07月26日.
  2. ^ "Enumerated Versions of The Unicode Standard". The Unicode Standard. Retrieved 2023年07月26日.
  3. ^ a b c d "Ideographic Variation Database". Unicode Consortium.
  4. ^ "UTS #37, Unicode Ideographic Variation Database". Unicode Consortium.
  5. ^ Lunde, Ken; Muller, Eric (2017). "PRI 108: Combined registration of the Adobe-Japan1 collection and of sequences in that collection". Adobe/Unicode Consortium. Note that all Adobe-Japan1-6 kanji, except those twenty seven pointed out above, are given IVS assignments, including those that have only one form assigned. This is to ensure that each Adobe-Japan1-6 kanji can be uniquely and explicitly identified without referencing their default (IVS-less) encoding, and because kanji may be added in future Adobe-Japan1 Supplements that may be variants of such kanji.
  6. ^ a b "The Hanyo-Denshi IVD Collection". Ideographic Variation Database. Unicode Consortium.
  7. ^ Lunde, Ken; Hua Gu (2010年11月25日). "The "Hanyo-Denshi" IVD Collection has been registered!". CJK Type Blog. Adobe Inc.
  8. ^ Chan, Eiso (2025年02月27日). "Request for review and endorsement of a preliminary version of the CAAPH IVD collection" (PDF). ISO/IEC JTC1/SC2/WG2/IRG N2796.
  9. ^ Taipei Computer Association (2021年05月07日). "TCA's submission for the CJK extension IRG Working Set 2021" (PDF). ISO/IEC JTC1/SC2/WG2/IRG N2486.
  10. ^ a b c Taipei Computer Association (2022年03月14日). "4. About glyph normalization" (PDF). Response to normalization and meaning issues on TCA characters in WS2021. pp. 3–5. ISO/IEC JTC1/SC2/WG2/IRG N2546.
  11. ^ Taipei Computer Association (2021年09月10日). "Activity Report from TCA" (PDF). ISO/IEC JTC1/SC2/WG2/IRG N2502.

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