1  <?xml version="1.0" encoding="ISO-8859-1" ?>
 2  <!DOCTYPE rnode [
 3  <!ELEMENT rnode (f)>
 4                                                                                  
 5  <!ELEMENT f (#PCDATA)>
 6  <!ATTLIST f
 7     att1 CDATA #FIXED 'J'>
 8                                                                                  
 9  <!ENTITY f
10     "
11     <f>
12     hello world
13     </f>
14     "
15  >
16  ]>
17                                                                                  
18  <rnode>
19     &f;
20  </rnode>
21