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Specify the format parameter to change the output format.
To see the non HTML representation of the XML format, set format=xml.
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<?xml version="1.0"?>
    <allfileusages afcontinue="Coords_Antenna_position_wiki_fig1.gif|104" />
      <f fromid="148" ns="6" title="File:Band4 phase diff.png" />
      <f fromid="141" ns="6" title="File:Baseline solved-v-fghz.png" />
      <f fromid="141" ns="6" title="File:Baseline solved.png" />
      <f fromid="141" ns="6" title="File:Bz figure.png" />
      <f fromid="141" ns="6" title="File:Bz figure corrected.png" />
      <f fromid="83" ns="6" title="File:Cal src vis.png" />
      <f fromid="7" ns="6" title="File:Calib 20160116.png" />
      <f fromid="213" ns="6" title="File:Clean.png" />
      <f fromid="353" ns="6" title="File:Color.png" />
      <f fromid="354" ns="6" title="File:Color.png" />