Bopomofo Extended is a Unicode block containing additional Bopomofo characters for writing phonetic Min Nan, Hakka Chinese, Cantonese, Hmu, and Ge. The basic set of Bopomofo characters can be found in the Bopomofo block.
Block
History The following Unicode-related documents record the purpose and process of defining specific characters in the Bopomofo Extended block:
Version Count L2 ID WG2 ID Document 3.0 U+31A0..31B7 24 N1713R N1703 N1905 N4980 6.0 U+31B8..31BA 3 N3570 doc) 13.0 U+31BB 1 N4980 doc) U+31BC..31BF 4 N5052 N5122
See also Spacing Modifier Letters (Unicode block) has two Bopomofo characters: U+02EA–U+02EB
References