<?xml version="1.0" encoding="UTF-8"?>
<grammar xmlns="http://relaxng.org/ns/structure/1.0">
  <include href="latex-document17.rng"/>
  <define name="Span" combine="choice">
    <element name="SceneDescription">
      <ref name="pdf2-attributes"/>
      <attribute name="rolemaps-to">
        <value>Span</value>
      </attribute>
      <text/>
    </element>
  </define>
  <define name="Span" combine="choice">
    <element name="Speaker">
      <ref name="pdf2-attributes"/>
      <attribute name="rolemaps-to">
        <value>Span</value>
      </attribute>
      <text/>
    </element>
  </define>
</grammar>
