1<?xml version="1.0"?> 2<doc> 3Blah blah blah. 4Blah blah blah. 5For details, see <bibref>XSLT</bibref>. 6Blah blah blah. 7For details, see <bibref>XML</bibref>. 8Blah blah blah. 9Blah blah blah. 10For details, see <bibref>XPath</bibref>. 11Blah blah blah. 12 <refdoc>idkey52a.xml</refdoc> 13 <refdoc>idkey52b.xml</refdoc> 14</doc>