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>
    <allredirects arcontinue="Detail_map" />
  </query-continue>
  <query>
    <allredirects>
      <r ns="0" title="BDRF map" />
      <r ns="0" title="Brdf map" />
      <r ns="0" title="ChannelPacking" />
      <r ns="0" title="Color Models" />
      <r ns="0" title="Cube map" />
      <r ns="0" title="CurvatureMap" />
      <r ns="0" title="Curvature map" />
      <r ns="0" title="DELL Printer Customer care (18442471987)Phone Number" />
      <r ns="0" title="DELL printer *1 844 247 1987 *tech support phone number, DELL printer USA Customer support phone" />
      <r ns="0" title="DELL printer 1-844 247 l987))support phone number-- tech support phone number-- customer service phone number" />
    </allredirects>
  </query>
</api>