<xsd:attributeGroup id="attGp.objectClass" name="objectClass">
    <xsd:attribute name="objectClass" type="xsd:string" id="att.objectClass">
        <xsd:annotation>
            <xsd:documentation>
                <h:div class="summary" xmlns:h="http://www.w3.org/1999/xhtml">The class of an object.</h:div>
                <h:div class="description" xmlns:h="http://www.w3.org/1999/xhtml">The type of this information. This is not controlled, but examples might include:
                    <h:ul><h:li>label</h:li>
                        <h:li>summary</h:li>
                        <h:li>note</h:li>
                        <h:li>usage</h:li>
                        <h:li>qualifier</h:li>
                    </h:ul>
            It might be used to control display or XSL filtering.</h:div>
                <h:div class="note" xmlns:h="http://www.w3.org/1999/xhtml">The attribute is named 'objectClass' to avoid clashes with other class attributes and inappropriate conversion to foo.getClass().</h:div>
            </xsd:documentation>
        </xsd:annotation>
    </xsd:attribute>
</xsd:attributeGroup>