rs,
            the <code>&lt;composite-implementation&gt;</code> element is
            optional.  </p> </div>
            
        </div>
                            </dd>
                        </dl>
                    </li>
                </ul>
            </div>
            <div class="summary">
                <table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Attribute summary table, listing attribute information">
                    <caption>
                     