<?xml version="1.0" encoding="UTF-8"?>
<rules xmlns="http://purl.oclc.org/dsdl/nvdl/ns/structure/1.0">
  <namespace ns="http://www.w3.org/1999/xhtml">
    <validate schema="../schemas/xhtml/xhtml.rng">
      <mode>
        <namespace ns="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
          <validate schema="../schemas/rdf/rdfxml.rng">
            <mode>
              <anyNamespace>
                <attach/>
              </anyNamespace>
            </mode>
          </validate>
        </namespace>
      </mode>
    </validate>
  </namespace>
</rules>