Katakana_Or_Hiragana

Katakana_Or_Hiragana

[1] UAX #31: Unicode Identifier and Pattern Syntax (2018-06-05 01:38:57 +09:00) https://www.unicode.org/reports/tr31/#Specific_Character_Adjustments

Katakana_Or_Hiragana \p{script=Hrkt} is empty (used historically in Unicode, but no longer.)