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="Conflex" />
  </query-continue>
  <query>
    <pages>
      <page ns="0" title="Blik" missing="" />
      <page ns="0" title="Cnrlib" missing="" />
      <page ns="0" title="Coauteur" missing="" />
      <page pageid="4" ns="0" title="BLIK STORMING" />
      <page pageid="185" ns="0" title="Bernard Stiegler : «Même s’ils le voulaient, les Etats n’auraient pas les concepts pour changer»" />
      <page pageid="74" ns="0" title="COMPTOIR II" />
      <page pageid="141" ns="0" title="CREMA" />
      <page pageid="76" ns="0" title="Circonflexion" />
      <page pageid="172" ns="0" title="Citizen science in the Internet era" />
      <page pageid="113" ns="0" title="Colloque sur nous à l&#039;Académie des Sciences" />
    </pages>
  </query>
</api>