char-upper-case?
(char-upper-case? char)
Returns #t if char has the Unicode Uppercase property, otherwise #f. A titlecase letter such as Dž is neither upper nor lower case; ℂ, which has no lowercase, is upper case.
(char-upper-case? char)
Returns #t if char has the Unicode Uppercase property, otherwise #f. A titlecase letter such as Dž is neither upper nor lower case; ℂ, which has no lowercase, is upper case.