Characters With Case (original) (raw)
ANSI Common Lisp 13 Characters
13.1 Character Concepts
13.1.4 Character Categories
13.1.4.3 Characters With Case
The characters with case are a subset of the alphabetic1 characters. A character with case has the property of being eitheruppercase or lowercase. Every character with case is in one-to-one correspondence with some other character with the opposite case.
13.1.4.3.1 Uppercase Characters
13.1.4.3.2 Lowercase Characters
13.1.4.3.3 Corresponding Characters in the Other Case
13.1.4.3.4 Case of Implementation-Defined Characters