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> 15