<xs:attributeGroup name="att.media.attribute.scale">
<xs:attribute name="scale">
<xs:annotation>
<xs:documentation>Where the media are displayed, indicates a scale factor to be applied when generating the desired display size</xs:documentation>
</xs:annotation>
<xs:simpleType>
<xs:union memberTypes="xs:double xs:decimal">
<xs:simpleType>
<xs:restriction base="xs:token">
<xs:pattern value="(\-?[\d]+/\-?[\d]+)"/>
</xs:restriction>
</xs:simpleType>
</xs:union>
</xs:simpleType>
</xs:attribute>
</xs:attributeGroup> |