<?xml version="1.0"?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
	<xsd:attribute name="parent">
		<xsd:simpleType name="fooType">
			<xsd:restriction base="xsd:string">
				<xsd:length value="4"/>
			</xsd:restriction>
		</xsd:simpleType>
	</xsd:attribute>
</xsd:schema>