<?xml version="1.0" encoding="UTF-8"?>
<doctype>
  <param name="f">f</param>
  <param name="oo">oo</param>
  <nameSpec name="foo">
    <name>foo</name>
  </nameSpec>
  <element>
    <nameSpecRef name="foo"/>
    <sequence/>
  </element>
</doctype>
