lib-display</a></h2>
<h3>Description</h3>
<p>Display the "Optional Package" and "Package Specification" information
 contained within the specified jars.</p>

<p>Note that this task
works with extensions as defined by the "Optional Package" specification.
 For more information about optional packages, see the document
<em>Optional Package Versioning</em> in the documentation bundle for your
Java2 Standard Edition package, in file
<code>guide/extensions/versioning.html</code> or online at
<a href="http://dow