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="180x180_floodcam.gif" />
  </query-continue>
  <query>
    <pages>
      <page pageid="2678" ns="6" title="File:180x180 DS12A.gif" />
      <page pageid="2682" ns="6" title="File:180x180 KR32A.gif" />
      <page pageid="2680" ns="6" title="File:180x180 MS18A.gif" />
      <page pageid="2677" ns="6" title="File:180x180 SC1200.gif" />
      <page pageid="3458" ns="6" title="File:180x180 activehome.gif" />
      <page pageid="3443" ns="6" title="File:180x180 ahp.gif" />
      <page pageid="3501" ns="6" title="File:180x180 appliancesmodules.gif" />
      <page pageid="3510" ns="6" title="File:180x180 boom2000.gif" />
      <page pageid="3958" ns="6" title="File:180x180 dm10a.gif" />
      <page pageid="3788" ns="6" title="File:180x180 firecracker.gif" />
    </pages>
  </query>
</api>