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="Edit_Jacket.JPG" />
  </query-continue>
  <query>
    <pages>
      <page pageid="1486" ns="6" title="File:About Land.JPG" />
      <page pageid="1458" ns="6" title="File:Advanced Menu.JPG" />
      <page pageid="1487" ns="6" title="File:Buying Currency.JPG" />
      <page pageid="1488" ns="6" title="File:Choose Resident.JPG" />
      <page pageid="1459" ns="6" title="File:Communicate.JPG" />
      <page pageid="1460" ns="6" title="File:Contacts Window.JPG" />
      <page pageid="1461" ns="6" title="File:Create Window.JPG" />
      <page pageid="1368" ns="6" title="File:Danton.JPG" />
      <page pageid="1515" ns="6" title="File:Detach Hair.JPG" />
      <page pageid="1516" ns="6" title="File:Edit General.JPG" />
    </pages>
  </query>
</api>