xml/relaxng/testData/highlighting/rng/bad-ref-4.rng

<grammar xmlns="http://relaxng.org/ns/structure/1.0" ns="urn:test:simple.rng">

  <start>
    <interleave>
      <ref name="<error>unresolved</error>"/>
    </interleave>
  </start>

  <define name="interleave-ref">
    <interleave>
      <ref name="<error>unresolved</error>"/>
    </interleave>
  </define>
</grammar>