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