| THE META-HTML LANGUAGE REFERENCE MANUAL

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## Manual Page Viewer

Name: NOT

Section: Relational Operators

Synopsis:

`<not [BODY]>`

Description:

BODY is evaluated. If the result is the empty string, then the string "true" is returned, otherwise, nothing is returned. The BODY is simply the entire contents of the simple tag, without the word "not" in it. Thus, in typical usage, one might write:

      <when <not <get-var foo>>>
         <comment> Complain that FOO is missing. </comment>
      </when>

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The META-HTML Reference Manual V1.4 Copyright © 1995, 1996, Brian J. Fox, 1996, 1997 Universal Access Inc.
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