<?xml version="1.0"?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
targetNamespace="http://FOO"
xmlns:foo="http://FOO" version="">
<xsd:include schemaLocation="include1_0.inc" />
<xsd:element name="foo">
<xsd:complexType>
<xsd:sequence>
<xsd:element ref="foo:bar"/>
<xsd:element name="boo" type="xsd:string"/>
</xsd:sequence>
<xsd:attribute name="req" use="required" form="qualified"/>
</xsd:complexType>
</xsd:element>
</xsd:schema>