Function

Summary

Tests whether a character represents white space.

Package

lispworks

Signature

whitespace-char-p char => bool

Arguments

char

A character.

Values

bool

t if char represents white space; nil otherwise.

Description

This predicate recognizes [whitespace1] , as described in the standard:

"Space and non-graphic characters that only moved the print position."

If sys:*extended-spaces* is t , U+3000 Ideographic Space is also considered whitespace.

See also

*extended-spaces*