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 garcontinue="Detail_map" />
  </query-continue>
  <query>
    <pages>
      <page ns="0" title="DELL Printer Customer care (18442471987)Phone Number" missing="" />
      <page ns="0" title="DELL printer *1 844 247 1987 *tech support phone number, DELL printer USA Customer support phone" missing="" />
      <page ns="0" title="DELL printer 1-844 247 l987))support phone number-- tech support phone number-- customer service phone number" missing="" />
      <page pageid="1369" ns="0" title="BDRF map" />
      <page pageid="77" ns="0" title="Brdf map" />
      <page pageid="150" ns="0" title="ChannelPacking" />
      <page pageid="160" ns="0" title="Color Models" />
      <page pageid="173" ns="0" title="Cube map" />
      <page pageid="1325" ns="0" title="CurvatureMap" />
      <page pageid="175" ns="0" title="Curvature map" />
    </pages>
  </query>
</api>