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>
    <allredirects garcontinue="Create_a_username|2135" />
  </query-continue>
  <query>
    <pages>
      <page pageid="1333" ns="0" title="ChristianMedia.ca: A history of Christians working and ministering in media in Canada:About" />
      <page pageid="1335" ns="0" title="About ChristianMedia.ca" />
      <page pageid="2172" ns="0" title="Churches" />
      <page pageid="2349" ns="0" title="Bob DuBroy" />
      <page pageid="3195" ns="0" title="The Bethlehem Blues Collective" />
      <page pageid="3200" ns="0" title="Christianblues.net" />
      <page pageid="3689" ns="0" title="Christian Expo 2000" />
      <page pageid="3691" ns="0" title="Christian Expo 2001" />
      <page pageid="4888" ns="0" title="CMB" />
      <page pageid="5478" ns="0" title="Bible verses" />
    </pages>
  </query>
</api>