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Katakana Phonetic Extensions

Katakana Phonetic Extensions
(16 code points)
Major alphabetsAinu
Assigned16 code points
Unused0 reserved code points
Unicode version history
3.216 (+16)
Note: [1][2]

Katakana Phonetic Extensions is a Unicode block containing additional small katakana characters for writing the Ainu language, in addition to characters in the Katakana block.

Further small katakana are present in the Small Kana Extension block.

Katakana Phonetic Extensions[1]
Official Unicode Consortium code chart (PDF)
  0 1 2 3 4 5 6 7 8 9 A B C D E F
1.^ As of Unicode version 12.0


The following Unicode-related documents record the purpose and process of defining specific characters in the Katakana Phonetic Extensions block:

Version Final code points[a] Count L2 ID WG2 ID Document
3.2 U+31F0..31FF 16 L2/99-238 Consolidated document containing 6 Japanese proposals, 1999-07-15
N2092 Addition of forty eight characters, 1999-09-13
L2/99-365 Moore, Lisa (1999-11-23), Comments on JCS Proposals
L2/00-024 Shibano, Kohji (2000-01-31), JCS proposal revised
L2/99-260R Moore, Lisa (2000-02-07), "JCS Proposals", Minutes of the UTC/L2 meeting in Mission Viejo, October 26-28, 1999
L2/00-297 N2257 Sato, T. K. (2000-09-04), JIS X 0213 symbols part-1
L2/00-342 N2278 Sato, T. K.; Everson, Michael; Whistler, Ken; Freytag, Asmus (2000-09-20), Ad hoc Report on Japan feedback N2257 and N2258
L2/01-050 N2253 Umamaheswaran, V. S. (2001-01-21), "7.16 JIS X0213 Symbols", Minutes of the SC2/WG2 meeting in Athens, September 2000
L2/01-114 N2328 Summary of Voting on SC 2 N 3503, ISO/IEC 10646-1: 2000/PDAM 1, 2001-03-09
  1. ^ Proposed code points and characters names may differ from final code points and names


  1. ^ "Unicode character database". The Unicode Standard. Retrieved 2016-07-09.
  2. ^ "Enumerated Versions of The Unicode Standard". The Unicode Standard. Retrieved 2016-07-09.