<?xml version="1.0" encoding="UTF-8"?>
<grammar xmlns="http://relaxng.org/ns/structure/1.0">
  <define name="anyElement">
    <element>
      <anyName/>
      <mixed>
        <zeroOrMore>
          <ref name="anyAttribute"/>
        </zeroOrMore>
        <zeroOrMore>
          <ref name="anyElement"/>
        </zeroOrMore>
      </mixed>
    </element>
  </define>
  <define name="anyAttribute">
    <attribute>
      <anyName/>
    </attribute>
  </define>
</grammar>
