You are looking at the HTML representation of the XML format.
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="Flagcanada-mini.gif" />
  </query-continue>
  <query>
    <pages>
      <page pageid="254" ns="6" title="File:1975-Youth Retreat-with-Gord Williams-900.jpg" />
      <page pageid="253" ns="6" title="File:1975-Youth Retreat-with-Gord Williams.jpg" />
      <page pageid="255" ns="6" title="File:1998-Gord Williams+Art Kelly.jpg" />
      <page pageid="256" ns="6" title="File:360px-1964-Gord Williams WLU-Grad.jpg" />
      <page pageid="203" ns="6" title="File:Banner-celebration-of-life.jpg" />
      <page pageid="242" ns="6" title="File:Byline-graphic.png" />
      <page pageid="230" ns="6" title="File:Cam Shillington-obituary photo.jpg" />
      <page pageid="74" ns="6" title="File:David spencer-100.jpg" />
      <page pageid="109" ns="6" title="File:David spencer-290x300.jpg" />
      <page pageid="189" ns="6" title="File:Facebook-page-Jim Leek.jpg" />
    </pages>
  </query>
</api>