Small Kana Extension is a Unicode block containing additional small variants for the Hiragana and Katakana syllabaries, in addition to those in the Hiragana, Katakana and Katakana Phonetic Extensions blocks.
Block
Unassigned code points in the U+1B130 to U+1B163 range were set aside for possible future small kana.
History The following Unicode-related documents record the purpose and process of defining specific characters in the Small Kana Extension block:
Version Count L2 ID WG2 ID Document 12.0 U+1B150..1B152, 1B164..1B167 7 N4803 doc) 15.0 U+1B132, 1B155 2 N3987 N4087 N4108 N4103 N4803 18.0 U+1B168 1
Fonts As of 28 March 2024, 2 fonts are known to support the 15.0 Small Kana Extension range:
BabelStone Han. Nishiki-teki. Other fonts FRBTaiwaneseKana supports 𛅦 (U+1B166), but none of the other 8 characters.
See also Hiragana (Unicode block) Katakana (Unicode block) Kana Extended-A (Unicode block) Kana Extended-B (Unicode block) Kana Supplement (Unicode block)
References