src/test/java/org/apache/xmlgraphics/xmp/test-subproperty.xmp

<x:xmpmeta xmlns:x="adobe:ns:meta/">
    <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
        <rdf:Description xmlns:pdfaExtension="http://www.aiim.org/pdfa/ns/extension/"
                         xmlns:pdfaSchema="http://www.aiim.org/pdfa/ns/schema#"
                         xmlns:pdfaProperty="http://www.aiim.org/pdfa/ns/property#" rdf:about="">
            <pdfaExtension:schemas>
                <rdf:Bag>
                    <rdf:li rdf:parseType="Resource">
                        <pdfaSchema:property>
                            <rdf:Seq>
                                <rdf:li rdf:parseType="Resource">
                                    <pdfaProperty:name>DocumentFileName</pdfaProperty:name>
                                </rdf:li>
                            </rdf:Seq>
                        </pdfaSchema:property>
                    </rdf:li>
                </rdf:Bag>
            </pdfaExtension:schemas>
        </rdf:Description>
    </rdf:RDF>
</x:xmpmeta>