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A.3 Char Library ¶

The (scheme char) library provides the procedures for dealing with characters that involve potentially large tables when supporting all of Unicode.

char-alphabetic?	char-ci<=?
char-ci<?	char-ci=?
char-ci>=?	char-ci>?
char-downcase	char-foldcase
char-lower-case?	char-numeric?
char-upcase	char-upper-case?
char-whitespace?	digit-value
string-ci<=?	string-ci<?
string-ci=?	string-ci>=?
string-ci>?	string-downcase
string-foldcase	string-upcase