<xs:schema targetNamespace=“example.net/xmlschema2”
xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns="http://example.net/xmlschema2" elementFormDefault="qualified" attributeFormDefault="unqualified">
<xs:simpleType name=“tfoo”>
<xs:restriction base="xs:NMTOKEN"> <xs:maxLength value="2"/> </xs:restriction>
</xs:simpleType>
</xs:schema>