Small_Kana_Extension References

Small Kana Extension
Small Kana Extension
Range	U+1B130..U+1B16F; (64 code points)
Plane	SMP
Scripts	Hiragana (4 char.) ; Katakana (5 char.)
Assigned	9 code points
Unused	55 reserved code points
Unicode version history
12.0 (2019)	7 (+7)
15.0 (2022)	9 (+2)
Unicode documentation
	Code chart ∣ Web page
	Note:

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]

U+1B130 : reserved for hiragana letter small ki (き)
U+1B131 : reserved for hiragana letter small ku (く)
U+1B133 : reserved for hiragana letter small sa (さ)
U+1B134 : reserved for hiragana letter small si (し)
U+1B135 : reserved for hiragana letter small su (す)
U+1B136 : reserved for hiragana letter small se (せ)
U+1B137 : reserved for hiragana letter small so (そ)
U+1B138 : reserved for hiragana letter small ta (た)
U+1B139 : reserved for hiragana letter small ti (ち)
U+1B13A : reserved for hiragana letter small te (て)
U+1B13B : reserved for hiragana letter small to (と)
U+1B13C : reserved for hiragana letter small na (な)
U+1B13D : reserved for hiragana letter small ni (に)
U+1B13E : reserved for hiragana letter small nu (ぬ)
U+1B13F : reserved for hiragana letter small ne (ね)
U+1B140 : reserved for hiragana letter small no (の)
U+1B141 : reserved for hiragana letter small ha (は)
U+1B142 : reserved for hiragana letter small hi (ひ)
U+1B143 : reserved for hiragana letter small hu (ふ)
U+1B144 : reserved for hiragana letter small he (へ)
U+1B145 : reserved for hiragana letter small ho (ほ)
U+1B146 : reserved for hiragana letter small ma (ま)
U+1B147 : reserved for hiragana letter small mi (み)
U+1B148 : reserved for hiragana letter small mu (む)
U+1B149 : reserved for hiragana letter small me (め)
U+1B14A : reserved for hiragana letter small mo (も)
U+1B14B : reserved for hiragana letter small ra (ら)
U+1B14C : reserved for hiragana letter small ri (り)
U+1B14D : reserved for hiragana letter small ru (る)
U+1B14E : reserved for hiragana letter small re (れ)
U+1B14F : reserved for hiragana letter small ro (ろ)
U+1B153 : reserved for hiragana letter small n (ん)
U+1B154 : reserved for katakana letter small ki (キ)
U+1B156 : reserved for katakana letter small sa (サ)
U+1B157 : reserved for katakana letter small se (セ)
U+1B158 : reserved for katakana letter small so (ソ)
U+1B159 : reserved for katakana letter small ta (タ)
U+1B15A : reserved for katakana letter small ti (チ)
U+1B15B : reserved for katakana letter small te (テ)
U+1B15C : reserved for katakana letter small na (ナ)
U+1B15D : reserved for katakana letter small ni (ニ)
U+1B15E : reserved for katakana letter small ne (ネ)
U+1B15F : reserved for katakana letter small no (ノ)
U+1B160 : reserved for katakana letter small ma (マ)
U+1B161 : reserved for katakana letter small mi (ミ)
U+1B162 : reserved for katakana letter small me (メ)
U+1B163 : reserved for katakana letter small mo (モ)

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.
^ 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:

BabelStone Han.^[5]
Nishiki-teki.^[6]

Other fonts

FRBTaiwaneseKana supports 𛅦 (U+1B166), but none of the other 8 characters.

References

^ "Unicode character database". The Unicode Standard. Retrieved 2023-07-26.
^ "Enumerated Versions of The Unicode Standard". The Unicode Standard. Retrieved 2023-07-26.
^ "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.
^ Suignard, Michel (2017-06-05). "Additional repertoire for ISO/IEC 10646:2017 (5th ed.) Amendment 2.0 (WG2 N4825)" (PDF). p. 16.
^ "BabelStone Han". Babelstone Fonts. 15 March 2024. Retrieved 28 March 2024. Small Kana Extension - 1B130..1B16F - 9 out of 9 characters - Full-width
^ "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.

[final-5] Proposed code points and characters names may differ from final code points and names

[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.

[7] "BabelStone Han". Babelstone Fonts. 15 March 2024. Retrieved 28 March 2024. Small Kana Extension - 1B130..1B16F - 9 out of 9 characters - Full-width

[8] "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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Small Kana Extension
Range	U+1B130..U+1B16F (64 code points)
Plane	SMP
Scripts	Hiragana (4 char.) Katakana (5 char.)
Assigned	9 code points
Unused	55 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]