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>
    <allfileusages gafcontinue="Banner_close.png|2168" />
  </query-continue>
  <query>
    <pages>
      <page pageid="1764" ns="0" title="APP/APG v2.0 Traitement du rendu par lots" />
      <page pageid="2068" ns="0" title="Autopano Tour" />
      <page pageid="2147" ns="0" title="APT v1.0 Fenêtre centrale" />
      <page pageid="2149" ns="0" title="APT v1.0 Fenêtre d&#039;édition des hotspots" />
      <page pageid="2150" ns="0" title="APT v1.0 Fenêtre d&#039;édition 3D" />
      <page pageid="10132" ns="0" title="Documentation Neutralhazer" />
      <page pageid="10511" ns="0" title="Panotour - FAQ" />
      <page pageid="10798" ns="0" title="Neutralhazer - Solutions" />
      <page pageid="11073" ns="0" title="GoPro VR Player - Guide de démarrage" />
    </pages>
  </query>
</api>