<?xml version="1.0"?>
<root xmlns="http://www.castor.org/MasterTestSuite/xml/SourceGenerator/IDREFS">
   <element1 id1="CASTOR"/>
   <element2 id2="POLLUX"/>
   <element3 id3="PROMETHEE"/>
   <elementRef idref="CASTOR POLLUX"/>
</root>
