SketchyLISP Reference |
Copyright (C) 2006 Nils M Holm |
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Conformance: R5RS
Purpose: Test whether a char is alphabetic.
Arguments:
X - char
Implementation:
(define (char-alphabetic? x) (or (char-lower-case? x) (char-upper-case? x)))
Example:
(char-alphabetic? #\c) => #t
See also:
char-lower-case?,
char-numeric?,
char-whitespace?.
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