1  <?xml version="1.0" encoding="ISO-8859-1"?>
 2  <!DOCTYPE rnode [
 3  <!ELEMENT rnode (f)>
 4  <!ELEMENT f (#PCDATA)>
 5  <!ATTLIST f att1 CDATA #FIXED "J">
 6  <!ENTITY f "
 7     <f>
 8     hello world
 9     </f>
10     ">
11  ]>
12  <rnode>
13     &f;
14  </rnode>