ml">FileSet</a> and
supports most attributes of <code>&lt;fileset&gt;</code>
(<code>dir</code> becomes <code>basedir</code>) as well as the nested
<code>&lt;include&gt;</code>, <code>&lt;exclude&gt;</code> and
<code>&lt;patternset&gt;</code> elements.</p>
<p>You can also use nested file sets for more flexibility, and specify
multiple ones to merge together different trees of files into one JAR.
The extended fileset and groupfileset child elements from the zip task are
also available in the jar task.
See the