<xs:attributeGroup name="tableAtts">
    <xs:attribute name="id" type="xs:ID" />
    <xs:attribute ref="prism:class" />
    <xs:attribute name="title" type="xs:string" />
    <xs:attribute name="dir">
        <xs:simpleType>
            <xs:restriction base="xs:NMTOKEN">
                <xs:enumeration value="ltr" />
                <xs:enumeration value="rtl" />
            </xs:restriction>
        </xs:simpleType>
    </xs:attribute>
    <xs:attribute ref="xml:lang" />
    <xs:attribute name="align">
        <xs:simpleType>
            <xs:restriction base="xs:NMTOKEN">
                <xs:enumeration value="left" />
                <xs:enumeration value="center" />
                <xs:enumeration value="right" />
                <xs:enumeration value="justify" />
                <xs:enumeration value="char" />
            </xs:restriction>
        </xs:simpleType>
    </xs:attribute>
    <xs:attribute name="char" type="xs:string" />
    <xs:attribute name="charoff" type="xs:string" />
    <xs:attribute name="valign">
        <xs:simpleType>
            <xs:restriction base="xs:NMTOKEN">
                <xs:enumeration value="top" />
                <xs:enumeration value="middle" />
                <xs:enumeration value="bottom" />
                <xs:enumeration value="baseline" />
            </xs:restriction>
        </xs:simpleType>
    </xs:attribute>
</xs:attributeGroup>