<catalogs>

  <catalog name="ACC" xml:base="http://example.org/ACC/">

    <product number="443" href="prod443.html"/>

    <product number="563" href="prod563.html"/>

  </catalog>

  <catalog name="WMN" xml:base="http://example.org/WMN/">

    <product number="557" href="prod557.html"/>

  </catalog>

</catalogs>

