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22.8.1 Unicode case insensitive character comparison

The functions unicode-char-equal, unicode-char-not-equal, unicode-char-lessp, unicode-char-not-lessp, unicode-char-greaterp and unicode-char-not-greaterp compare characters similarly to cl:char-equal etc, but using Unicode's simple case folding rules.


LispWorks User Guide and Reference Manual - 21 Dec 2011

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