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="Cloud_affiliation_Almondplus_screen_3.png" />
  </query-continue>
  <query>
    <pages>
      <page pageid="315" ns="6" title="File:Belkin Wemo.jpg" />
      <page pageid="321" ns="6" title="File:Central Motion Sensor.jpg" />
      <page pageid="317" ns="6" title="File:Centralite 3 Series.jpg" />
      <page pageid="373" ns="6" title="File:Climax CO-8ZBS.png" />
      <page pageid="377" ns="6" title="File:Climax LS-1E-G-GZBS.jpg" />
      <page pageid="310" ns="6" title="File:Climax Motion.jpg" />
      <page pageid="375" ns="6" title="File:Climax SD-8SCZBS.jpg" />
      <page pageid="371" ns="6" title="File:Climax pss29.png" />
      <page pageid="25" ns="6" title="File:Cloud affiliation Almondplus screen 1.png" />
      <page pageid="30" ns="6" title="File:Cloud affiliation Almondplus screen 2.png" />
    </pages>
  </query>
</api>