<xs:attributeGroup name="db.common.attributes">
    <xs:attribute ref="xml:id" />
    <xs:attribute name="version" />
    <xs:attribute ref="xml:lang" />
    <xs:attribute ref="xml:base" />
    <xs:attribute name="remap" />
    <xs:attribute name="xreflabel" />
    <xs:attribute name="revisionflag">
        <xs:simpleType>
            <xs:restriction base="xs:token">
                <xs:enumeration value="changed" />
                <xs:enumeration value="added" />
                <xs:enumeration value="deleted" />
                <xs:enumeration value="off" />
            </xs:restriction>
        </xs:simpleType>
    </xs:attribute>
    <xs:attribute name="dir">
        <xs:simpleType>
            <xs:restriction base="xs:token">
                <xs:enumeration value="ltr" />
                <xs:enumeration value="rtl" />
                <xs:enumeration value="lro" />
                <xs:enumeration value="rlo" />
            </xs:restriction>
        </xs:simpleType>
    </xs:attribute>
    <xs:attribute name="arch" />
    <xs:attribute name="audience" />
    <xs:attribute name="condition" />
    <xs:attribute name="conformance" />
    <xs:attribute name="os" />
    <xs:attribute name="revision" />
    <xs:attribute name="security" />
    <xs:attribute name="userlevel" />
    <xs:attribute name="vendor" />
    <xs:attribute name="wordsize" />
    <xs:attribute name="annotations" />
</xs:attributeGroup>