<tree:node xmlns:tree="http://types.bu.edu/XSL/Transform/Tree">

  <!-- This is a test
       of multi-line  
       text -->
  <tree:content>Foo</tree:content>

  <tree:node>
    <tree:content>Bar</tree:content>
    <tree:leaf>
      <tree:content>123

789</tree:content> 
    </tree:leaf>
    <tree:leaf>
      <tree:content>456</tree:content> 
    </tree:leaf>
  </tree:node>

  <tree:node>
    <tree:content>Baz</tree:content>
    <tree:leaf>
      <tree:content>789</tree:content> 
    </tree:leaf>
  </tree:node>

  <tree:leaf>
    <tree:content>Qux</tree:content> 
  </tree:leaf>
</tree:node>