<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
            targetNamespace="http://example.org/ord"
            xmlns="http://example.org/ord"
            xmlns:prod="http://example.org/prod">
  <xs:include schemaLocation="./test/resources/chapter04ord2.xsd"/>
  <xs:include schemaLocation="./test/resources/chapter04cust.xsd"/>
  <xs:import namespace="http://example.org/prod"
                 schemaLocation="./test/resources/chapter04prod.xsd"/>
  <xs:element name="order" type="OrderType"/>
  <xs:complexType name="OrderType">
    <xs:sequence>
      <xs:element name="number" type="OrderNumType"/>
      <xs:element name="customer" type="CustomerType"/>
      <xs:element name="items" type="prod:ItemsType"/>
    </xs:sequence>
  </xs:complexType>
</xs:schema>