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="1435" ns="0" title="BIOS" />
      <p pageid="1432" ns="0" title="Barre de lancement rapide" />
      <p pageid="1434" ns="0" title="Barre des taches" />
      <p pageid="1592" ns="0" title="Barre des tâches" />
      <p pageid="1433" ns="0" title="Barre des tâches" />
      <p pageid="1436" ns="0" title="Bios" />
      <p pageid="1437" ns="0" title="Bluetooth" />
      <p pageid="1505" ns="0" title="Booter Fedora avec Grub sur Ubuntu" />
      <p pageid="1593" ns="0" title="Bug de connexion régulier en ethernet" />
      <p pageid="1453" ns="0" title="Bug de connexion régulier en ethernet" />
    </allpages>
  </query>
  <query-continue>
    <allpages apfrom="Cable RJ45" />
  </query-continue>
</api>