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>
    <allpages apcontinue="Burke" />
  </query-continue>
  <query>
    <allpages>
      <p pageid="2692" ns="0" title="Badges" />
      <p pageid="4431" ns="0" title="Beaumont-Port Author" />
      <p pageid="1278" ns="0" title="BenTrem" />
      <p pageid="1829" ns="0" title="BenzWeaponData" />
      <p pageid="4091" ns="0" title="Best cialis soft tabs price" />
      <p pageid="3825" ns="0" title="Big Mommas: Like Father, Like Son It Film" />
      <p pageid="2752" ns="0" title="Bill Tozier" />
      <p pageid="4037" ns="0" title="Birthday Cards w No Money in it 81" />
      <p pageid="3990" ns="0" title="Brad call me out I m with dr cash s class Now plz 49" />
      <p pageid="4093" ns="0" title="Bu son ay cnnm az kaldi 23" />
    </allpages>
  </query>
</api>