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Allegro CL |
ANSI Common Lisp  13 Characters 13.1 Character Concepts 13.1.4 Character Categories
13.1.4.4 Numeric CharactersThe numeric characters are a subset of the graphic characters. Of the standard characters, only these are numeric characters:0 1 2 3 4 5 6 7 8 9 For each implementation-defined graphic character that has no case, the implementation must define whether or not it is a numeric character. |