ve to the target file, or to
      the "dir" attribute of the nested srcfiles element.
   </p>
  <p>
    <em>Since Ant 1.6.3</em>,
    one can use a filenamemapper type in place of the mapper element.
  </p>
<h3>Examples</h3>
<pre>  &lt;uptodate property=&quot;xmlBuild.notRequired&quot; targetfile=&quot;${deploy}\xmlClasses.jar&quot; &gt;
    &lt;srcfiles dir= &quot;${src}/xml&quot; includes=&quot;**/*.dtd&quot;/&gt;
  &lt;/uptodate&gt;</pre>
<p>sets the property <code>xmlBuild.notRequired</code> to <code>t