<xs:simpleType name="up-down">
<xs:annotation>
<xs:documentation>The up-down type is used for arrow direction, indicating which way the tip is pointing.</xs:documentation>
</xs:annotation>
<xs:restriction base="xs:token">
<xs:enumeration value="up"/>
<xs:enumeration value="down"/>
</xs:restriction>
</xs:simpleType> |