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>
    <alllinks galcontinue="Enregistrer_un_salon" />
  </query-continue>
  <query>
    <pages>
      <page ns="0" title="Categorie:Informations officielles" missing="" />
      <page ns="0" title="Discussion Categorie:Salons prives" missing="" />
      <page pageid="1548" ns="0" title="Botserv" />
      <page pageid="1049" ns="0" title="Charte oper" />
      <page pageid="1093" ns="0" title="Commandes de base" />
      <page pageid="1017" ns="0" title="Comprendre les discussions techniques" />
      <page pageid="1014" ns="0" title="Configurer un salon" />
      <page pageid="1538" ns="0" title="Contact" />
      <page pageid="1046" ns="0" title="Delires" />
      <page pageid="939" ns="0" title="Enregistrer un pseudo" />
    </pages>
  </query>
</api>