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"?>
    <alllinks galcontinue="Photogrammetry" />
      <page ns="0" title="Face and Body" missing="" />
      <page pageid="6" ns="0" title="Bounding Box to Coordinate" />
      <page pageid="7" ns="0" title="Coordinate System to Bounding" />
      <page pageid="72" ns="0" title="Copy Bounding" />
      <page pageid="88" ns="0" title="Documents" />
      <page pageid="70" ns="0" title="Export Individual" />
      <page pageid="81" ns="0" title="Hardware" />
      <page pageid="3" ns="0" title="Links/Articles" />
      <page pageid="4" ns="0" title="Links/Gallery" />
      <page pageid="71" ns="0" title="Masks From" />