Function

Summary

Compares two characters, ignoring case using specified Unicode rules.

Package

lispworks

Signature

unicode-char-lessp char1 char2 &key style => flag

Arguments

char1

A character

char2

A character

style

A keyword

Values

flag

A generalized boolean

Description

The function unicode-char-lessp returns true if the character char1 is less than the character char2 , similarly to cl:char-lessp but ignoring case using Unicode rules specified by style .

The current implementation only supports one style of comparison:

:simple-case-fold

Compares characters using Unicode's simple lowercase folding rules.

See also

unicode-char-equal
unicode-char-not-lessp