You are looking at the HTML representation of the XML format.
HTML is good for debugging, but probably is not suitable for your application.
See complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query>
    <allpages>
      <p pageid="1577" ns="0" title="Bidding System" />
      <p pageid="1601" ns="0" title="Clojure Programming" />
      <p pageid="1607" ns="0" title="Closure" />
      <p pageid="1493" ns="0" title="Code Quality For Software Architects" />
      <p pageid="1476" ns="0" title="Comparison of Application Virtual Machines" />
      <p pageid="1449" ns="0" title="Configuration Settings" />
      <p pageid="1477" ns="0" title="DW Digests" />
      <p pageid="1595" ns="0" title="Darwin Directory Structure" />
      <p pageid="1515" ns="0" title="Defensive Programming With AOP" />
      <p pageid="1548" ns="0" title="Document models, Part 1: Performance" />
    </allpages>
  </query>
  <query-continue>
    <allpages apfrom="Don&#039;t Be Fooled By The Coverage Report" />
  </query-continue>
</api>