<?xml version="1.0" encoding="UTF-8"?>
<doctype>
  <nameSpec name="e.name">
    <name>e</name>
  </nameSpec>
  <element>
    <name>doc</name>
    <elementRef>
      <nameSpecRef name="e.name"/>
    </elementRef>
  </element>
  <element>
    <nameSpecRef name="e.name"/>
    <sequence/>
  </element>
</doctype>
