<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE root SYSTEM "tree2.dtd">
<root>
  <node1>content of node 1</node1>
  <node2/>
  <node3 attribute="yes" foo="bar">this node has attributes</node3>
  <node4>other way to create content (which is also a node)</node4>
  <node5>
    <node51 odd="no"/>
    <node52 odd="yes"/>
    <node53 odd="no"/>
  </node5>
  <node6>
    <node61 odd="no"/>
    <node62 odd="yes"/>
    <node63 odd="no"/>
  </node6>
</root>