<?xml version="1.0"?>
<!DOCTYPE root 
[
<!ELEMENT root (#PCDATA)>
<!ATTLIST root att CDATA #IMPLIED>

<!--* Test all legal patterns derived from P78 *-->
<!ENTITY epe1 SYSTEM "ibm78v01.ent" >
<!ENTITY epe2 SYSTEM "ibm78v02.ent" >
<!ENTITY epe3 SYSTEM "ibm78v03.ent" >

]>
<root>&epe1;&epe2;&epe3;</root>
<!-- a valid test case: test P78, P77, P80 -->
