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        <title>Apache Ant - Antlib Contract</title>
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    <h1 class="title">Antlib Contract</h1>
            <h3 class="section">
      <a name="definition of antlibs"></a>
      definition of antlibs
    </h3>
                        <p>
Antlibs are special-purpose jar files containing a deployment descriptor called antlib.xml.
These jar files contain ant tasks and types. In the near future, they will also contain custom components too able to act as filters, mappers, ...
</p>
                                <p>
The precise location of the deployment descriptor is already a point of discussion. (such as com/xyz/anttasks/antlib.xml). <a href="antlib_descriptors.html#concerns concerning the location of the descriptor (Costin Manolache)">Costin Manolache would prefer deployment descriptors to live in packages </a> The original proposal is to put the deployment descriptor into META-INF/antlib.xml in the jar files.
</p>
                        <h3 class="section">
      <a name="loading of antlibs"></a>
      loading of antlibs
    </h3>
                        <p>
Under ant.home, a new subdirectory autolib would be created for antlibs to be loaded "spontaneously".
</p>
                                <p>
antlibs can also be loaded explicitly with an &lt;antlib/&gt; task.
</p>
                        <h3 class="section">
      <a name="links"></a>
      links
    </h3>
                        <p>
                <a href="http://cvs.apache.org/viewcvs.cgi/*checkout*/ant/proposal/sandbox/antlib/docs/manual/CoreTasks/antlib.html?rev=HEAD">Antlib task documentation</a>
</p>
                                <p>
                <a href="http://cvs.apache.org/viewcvs.cgi/*checkout*/ant/proposal/sandbox/antlib/docs/manual/CoreTasks/antjar.html?rev=HEAD">Antjar task documentation</a>
</p>
                        <h3 class="section">
      <a name="todo"></a>
      todo
    </h3>
                              <h4 class="subsection">
        <a name="versions"></a>
        versions
      </h4>
                        <p>
ant-required-version, antlib-version (version used to build the library)
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