<?xml version="1.0" encoding="UTF-8"?>
<doc>
<list number="1">
  <item number="1">one</item>
  <item number="2">two</item>
  <item number="3">three</item>
</list>
<singleton/>
<list number="2">
  <item number="a">aaa</item>
  <item number="b">bbb</item>
</list>
</doc>