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="BTS_-_Corn_Nuts_-_Sarah_and_Carl.jpg|7142" />
  </query-continue>
  <query>
    <pages>
      <page pageid="2768" ns="0" title="Hiking trails" />
      <page pageid="4039" ns="0" title="Lonelygirl15 behind the scenes" />
      <page pageid="7655" ns="0" title="Lonelygirl15 minor locations" />
      <page pageid="9584" ns="0" title="Behind The Scenes - Part 2" />
      <page pageid="9586" ns="0" title="Behind The Scenes - Part 3" />
      <page pageid="9933" ns="0" title="Behind The Scenes - Part 4" />
      <page pageid="9934" ns="0" title="Behind The Scenes - Part 5" />
      <page pageid="13875" ns="0" title="Buckshot" />
      <page pageid="16249" ns="0" title="Ben" />
      <page pageid="18511" ns="0" title="LG15: The Resistance relationships" />
    </pages>
  </query>
</api>