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="HTM_logo_transparent.png" />
  </query-continue>
  <query>
    <pages>
      <page pageid="7408" ns="6" title="File:AdessoCompagno 2KeyboardiPad2Case.jpg" />
      <page pageid="7400" ns="6" title="File:AppleiPadKeyboardDock.jpg" />
      <page pageid="7402" ns="6" title="File:BelkinKeyboardFolioforiPad2.jpg" />
      <page pageid="7349" ns="6" title="File:Bell-turbo hub.jpg" />
      <page pageid="7353" ns="6" title="File:Bell turbo hub-front.jpg" />
      <page pageid="7352" ns="6" title="File:Bell turbo hub rear.jpg" />
      <page pageid="7321" ns="6" title="File:David graves.jpg" />
      <page pageid="7354" ns="6" title="File:David spencer-100.jpg" />
      <page pageid="7315" ns="6" title="File:David spencer-150.jpg" />
      <page pageid="7312" ns="6" title="File:Flagcanadamini.gif" />
    </pages>
  </query>
</api>