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"?>
      <page pageid="1" ns="0" title="Main Page" />
      <page pageid="24" ns="0" title="Platform Developers" />
      <page pageid="68" ns="0" title="Texture Creation Using Photoshop" />
      <page pageid="69" ns="0" title="Material Preparation in 3ds Max 9" />
      <page pageid="186" ns="0" title="Communication" />
      <page pageid="187" ns="0" title="Getting Started for Users" />
      <page pageid="203" ns="3" title="User talk:Stampnitzky16" />
      <page pageid="205" ns="3" title="User talk:Mayafox12" />
      <page pageid="208" ns="0" title="EZUI" />