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Allegro CL |
13 Characters  13.1 Character Concepts 13.1.4 Character Categories 13.1.4.3 Characters With Case
13.1.4.3.1 Uppercase CharactersAn uppercase character is one that has a corresponding lowercase character that is different (and can be obtained using char-downcase).Of the standard characters, only these are uppercase characters: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z |