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
14   <f>
15   hello world
16   </f>
17
18</rnode>
19