<xs:attributeGroup name="att.ranging.attribute.min">
<xs:attribute name="min">
<xs:annotation>
<xs:documentation>where the measurement summarizes more than one observation or a range, supplies the minimum value observed.</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> |