1  <?xml version="1.0"?>
 2  <!DOCTYPE x [
 3  <!ELEMENT x (test)*>
 4  <!ELEMENT test EMPTY>
 5  <!ATTLIST test att CDATA "attvalue">
 6  <!ENTITY test.ent "<test/>">
 7  ]>
 8  <x>
 9      <test/>
10      <test/>
11  </x>