standard-char-p
character => generalized-boolean
character--a character.
generalized-boolean--a generalized boolean.
Returns 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
Should signal an error of type type-error if character is not a character.