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    <p>Box 0 is horizontal</p>
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  <para xml:id="p2">
    <p>Box 1 is horizontal</p>
  </para>
  <para xml:id="p3">
    <p>Box 2 is vertical</p>
  </para>
  <para xml:id="p4">
    <p>Using…
<inline-block vattach="bottom"><p><text>Hello</text>,<text>Goodbye</text></p></inline-block></p>
  </para>
  <para xml:id="p5">
    <p>Box 3 is horizontal</p>
  </para>
  <para xml:id="p6">
    <p>Box 4 is empty</p>
  </para>
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