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>
    <allfileusages gafcontinue="Break_xcam_wiki.jpg|1345" />
  </query-continue>
  <query>
    <pages>
      <page pageid="1527" ns="0" title="MP3 Anywhere Boom 2000 Setup" />
      <page pageid="2438" ns="0" title="Google Remote" />
      <page pageid="2714" ns="0" title="Getting Started with the AirPad" />
      <page pageid="3434" ns="0" title="XX50A Getting Started" />
      <page pageid="4201" ns="0" title="LegacyIP for X10 Airsight" />
      <page pageid="4233" ns="0" title="ZM11A" />
      <page pageid="4234" ns="0" title="ZM12A" />
    </pages>
  </query>
</api>