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>
    <alltransclusions gatcontinue="Delete|214" />
  </query-continue>
  <query>
    <pages>
      <page pageid="37" ns="0" title="The most popular Bag Sealers inside market are generally Rival Range" />
      <page pageid="145" ns="0" title="Zupełnie nie oczekujesz takiego obiegu spraw wygrywając 3:1" />
      <page pageid="158" ns="0" title="The Extraordinary Benefits of Soy Protein" />
      <page pageid="160" ns="0" title="Rest In Peace Farrah And Michael" />
      <page pageid="162" ns="0" title="Draftsharks Fantasy Football Information For 2011" />
      <page pageid="179" ns="0" title="Postcard Advertising And Marketing - Does It Really Function" />
      <page pageid="181" ns="0" title="Michael Jordan Cards - His Air-Ness Has A Legacy" />
      <page pageid="183" ns="0" title="How To Get Michael Buble Concert Tickets Without Having A Fuss" />
      <page pageid="189" ns="0" title="Where Bogus Faith All Commenced" />
      <page pageid="191" ns="0" title="Why a person could read through quran internet" />
    </pages>
  </query>
</api>