standard-char-p
standard-char-p character → generalized-boolean
character—a character.
generalized-boolean—a generalized boolean.
13.2.0 3Returns true if character is of type standard-char; otherwise, returns false.
(standard-char-p #\Space) → true (standard-char-p #\~) → true ;; This next example presupposes an implementation ;; in which #\Bell is a defined character. (standard-char-p #\Bell) → false
None.
Should signal an error of type type-error if character is not a character.
None.
None.