<t:root xmlns:t="test"
	xmlns:o="foo"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:schemaLocation="test test.xsd">

  <upa><o:a>a</o:a></upa>
  <upa><a>a</a></upa>

  <derived><a>a</a></derived>

</t:root>
