Small Kana Extension
RangeU+1B130..U+1B16F
(64 code points)
PlaneSMP
ScriptsHiragana (4 char.)
Katakana (5 char.)
Assigned9 code points
Unused55 reserved code points
Unicode version history
12.0 (2019)7 (+7)
15.0 (2022)9 (+2)
Unicode documentation
Code chart ∣ Web page
Note: [1][2]

Small Kana Extension is a Unicode block containing additional small variants for the Hiragana and Katakana syllabaries,[3] in addition to those in the Hiragana, Katakana and Katakana Phonetic Extensions blocks.

Block

Small Kana Extension[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+1B13x 𛄲
U+1B14x
U+1B15x 𛅐 𛅑 𛅒 𛅕
U+1B16x 𛅤 𛅥 𛅦 𛅧
Notes
1.^ As of Unicode version 15.1
2.^ Grey areas indicate non-assigned code points

Reserved code points for specific characters

Each unassigned code point (except U+1B168–U+1B16F) is reserved for a specific small kana character.[4]

History

The following Unicode-related documents record the purpose and process of defining specific characters in the Small Kana Extension block:

Version Final code points[a] Count L2 ID WG2 ID Document
12.0 U+1B150..1B152, 1B164..1B167 7 L2/16-334 Sim, Cheon Hyeong (2016-11-04), Hiragana and Katakana (Small Letters)
L2/16-354 Yamaguchi, Ryusei (2016-11-07), Proposal to add Kana small letters
L2/16-358R N4803 Lunde, Ken (2016-11-22), L2/16-334 & L2/16-354 Feedback (small kana)
L2/16-325 Moore, Lisa (2016-11-18), "C.14 Kana", UTC #149 Minutes
L2/17-016 Moore, Lisa (2017-02-08), "Consensus 150-C18", UTC #150 Minutes
N4953 (pdf, doc) "M66.07i", Unconfirmed minutes of WG 2 meeting 66, 2018-03-23
L2/17-353 Anderson, Deborah; Whistler, Ken (2017-10-02), "N.1. Small Kana Extension code block and code point changes", WG2 Consent Docket
L2/17-362 Moore, Lisa (2018-02-02), "Consensus 153-C13", UTC #153 Minutes
15.0 U+1B132, 1B155 2 L2/10-468R2 N3987 Lunde, Ken (2011-02-09), Proposal to add two kana characters
L2/11-016 Moore, Lisa (2011-02-15), "Consensus 126-C7", UTC #126 / L2 #223 Minutes, Accept U+1B002 HIRAGANA LETTER SMALL KO and U+1B003 KATAKANA LETTER SMALL KO for encoding in a future version of the standard.
L2/11-228 N4087 Comment on "two kana" proposal, 2011-05-30
N4108 Sekiguchi, Masahiro (2011-06-08), A response regarding small ko
N4103 "11.2.7 Two additional Kana characters", Unconfirmed minutes of WG 2 meeting 58, 2012-01-03
L2/16-354 Yamaguchi, Ryusei (2016-11-07), Proposal to add Kana small letters
L2/16-358R N4803 Lunde, Ken (2016-11-22), L2/16-334 & L2/16-354 Feedback (small kana)
L2/16-325 Moore, Lisa (2016-11-18), "Consensus 149-C14", UTC #149 Minutes, Move HIRAGANA LETTER SMALL KO to U+1B127 and KATAKANA LETTER SMALL KO to U+1B128.
L2/17-353 Anderson, Deborah; Whistler, Ken (2017-10-02), "N.2. SMALL KO characters", WG2 Consent Docket, WG2 agreed to remove ... two characters from the Small Kana Extension block
L2/20-015R Moore, Lisa (2020-05-14), "Consensus 162-C21", Draft Minutes of UTC Meeting 162, Change the codepoint for HIRAGANA LETTER SMALL KO from U+1B127 to U+1B132, and KATAKANA LETTER SMALL KO from U+1B12B to U+1B155.
  1. ^ Proposed code points and characters names may differ from final code points and names

Fonts

As of 28 March 2024, 2 fonts are known to support the 15.0 Small Kana Extension range:

Other fonts

See also

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.
  3. ^ "Chapter 18.4: 18.4 Hiragana and Katakana". The Unicode Standard, Version 12.0 (PDF). Mountain View, CA: Unicode, Inc. June 2018. ISBN 978-1-936213-22-1.
  4. ^ Suignard, Michel (2017-06-05). "Additional repertoire for ISO/IEC 10646:2017 (5th ed.) Amendment 2.0 (WG2 N4825)" (PDF). p. 16.
  5. ^ "BabelStone Han". Babelstone Fonts. 15 March 2024. Retrieved 28 March 2024. Small Kana Extension - 1B130..1B16F - 9 out of 9 characters - Full-width
  6. ^ "TrueType font にしき的フォント『 Nishiki-teki 』Version 3.99t (2024-03-26)" (in Japanese). Umihotaru. 26 March 2024. Retrieved 28 March 2024.
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