de>&lt;cc:implementation&gt;</code> element in the
            same VDL file.  </p>

           <p><b>Nesting of composite components</b></p>

           <p>The implementation must support nesting of composite
           components.  Specifically, it must be possible for the
           <code>&lt;cc:implementation&gt;</code> section of a
           composite component to act as the <em>using page</em> for
           another composite component.  When a composite component
           exposes a behavioral inte