-- XSD schema extracted from ITU-T Z.169 (11/2008)
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns="nsA" targetNamespace="nsA">
<xs:complexType name="C1">
<xs:simpleContent>
<xs:extension base="xs:integer">
<xs:attribute name="A1" type="xs:integer"/>
<xs:attribute name="A2" type="xs:integer"/>
</xs:extension>
</xs:simpleContent>
</xs:complexType>
<xs:complexType name="C2">
<xs:simpleContent>
<xs:restriction base="C1">
<xs:minInclusive value="23"/>
<xs:maxInclusive value="26"/>
<xs:attribute name="A1" type="xs:byte" use="required"/>
<xs:attribute name="A2" type="xs:negativeInteger"/>
</xs:restriction>
</xs:simpleContent>
</xs:complexType>
<xs:complexType name="C3">
<xs:simpleContent>
<xs:restriction base="C2">
<xs:minInclusive value="25"/>
<xs:maxInclusive value="26"/>
</xs:restriction>
</xs:simpleContent>
</xs:complexType>
</xs:schema>