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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>
    <allimages gaicontinue="2006-Farjudian-SHRAD-ToCS.pdf" />
  </query-continue>
  <query>
    <pages>
      <page pageid="4441" ns="6" title="File:01-Activity.pdf" />
      <page pageid="4440" ns="6" title="File:01-Introduction.pdf" />
      <page pageid="4450" ns="6" title="File:02-Activity1-DT8014-2016.pdf" />
      <page pageid="4451" ns="6" title="File:02-Activity2-DT8014-2016.pdf" />
      <page pageid="4452" ns="6" title="File:02-ComplexityGraph-DT8014-2016.pdf" />
      <page pageid="3047" ns="6" title="File:090723 046 JC portr.jpg" />
      <page pageid="3116" ns="6" title="File:111206-externt-Anna-Mikaelyan.jpg" />
      <page pageid="3225" ns="6" title="File:111206-externt-Anna-Mikaelyan 2.jpg" />
      <page pageid="4266" ns="6" title="File:2004-Farjudian-Sequentiality and Piece wise affinity in Segments of Real PCF.pdf" />
      <page pageid="4265" ns="6" title="File:2004-Farjudian-Sequentiality in Real Number Computation-PhD Thesis.pdf" />
    </pages>
  </query>
</api>