fault, the value of the property is set to <code>true</code> if
the timestamp of the source file(s) is not more recent than the timestamp of
the corresponding target file(s). You can set the value to something other
than the default by specifying the <code>value</code> attribute.</p>
<p>If a <code>&lt;srcfiles&gt;</code> element is used, without also specifying
a <code>&lt;mapper&gt;</code> element, the default behavior is to use a
<a href="../Types/mapper.html#merge-mapper">merge mapper</a>, with the
<code