<type>Attlist</type><name>coreopt</name><comment>This is the list of the core attributes that all elements in the content part of the document must have. In elements using this attribute definition both the refersTo attribute and the eId attribute are optional</comment>
<xsd:attributeGroup name="coreopt"><xsd:annotation><xsd:documentation><type>Attlist</type><name>coreopt</name><comment>This is the list of the core attributes that all elements in the content part of the document must have. In elements using this attribute definition both the refersTo attribute and the eId attribute are optional</comment></xsd:documentation></xsd:annotation><xsd:attributeGroup ref="core"/><xsd:attributeGroup ref="HTMLattrs"/><xsd:attributeGroup ref="enactment"/><xsd:attributeGroup ref="idopt"/><xsd:attributeGroup ref="refers"/><xsd:attributeGroup ref="xmllang"/><xsd:attributeGroup ref="alt"/></xsd:attributeGroup>