de> attribute to <code>true</code>
  first.</p>

<p>If you use multiple ways to specify where javadoc should be looking
  for sources your result will be the union of all specified
  documentations.  If you, e.g., specify a sourcepath attribute and
  also a nested packageset both pointing at the same directory your
  excludepackagenames attribute won't have any effect unless it agrees
  with the exclude patterns of the packageset (and vice versa).</p>

<h3>Parameters</h3>
<table border="1" cellpadding="2" c