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HTML is good for debugging, but is unsuitable for application use.
Specify the format parameter to change the output format.
To see the non HTML representation of the XML format, set format=xml.
See the complete documentation, or API help for more information.
<?xml version="1.0"?>
<api>
  <query-continue>
    <allfileusages gafcontinue="Del_centr_f1.png" />
  </query-continue>
  <query>
    <pages>
      <page pageid="258" ns="6" title="File:Band4 phase diff.png" />
      <page pageid="145" ns="6" title="File:Baseline solved-v-fghz.png" />
      <page pageid="144" ns="6" title="File:Baseline solved.png" />
      <page pageid="142" ns="6" title="File:Bz figure.png" />
      <page pageid="143" ns="6" title="File:Bz figure corrected.png" />
      <page pageid="112" ns="6" title="File:Cal src vis.png" />
      <page pageid="26" ns="6" title="File:Calib 20160116.png" />
      <page pageid="223" ns="6" title="File:Clean.png" />
      <page pageid="314" ns="6" title="File:Color.png" />
      <page pageid="103" ns="6" title="File:Coords Antenna position wiki fig1.gif" />
    </pages>
  </query>
</api>