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="BETTERAVE|4213" />
  </query-continue>
  <query>
    <pages>
      <page pageid="496" ns="0" title="6 - Bâtiments de production" />
      <page pageid="1154" ns="0" title="2 - Liste des objets/ingrédients cachés" />
      <page pageid="1160" ns="0" title="2 - Liste des objets/ingrédients qui ne se fabriquent pas" />
      <page pageid="3233" ns="0" title="Trouver BETTERAVE" />
      <page pageid="3341" ns="0" title="Trouver BAIGNOIRE" />
      <page pageid="4807" ns="0" title="Trouver BETISES GAULOISES" />
      <page pageid="4823" ns="0" title="1 - Trouver B" />
      <page pageid="4841" ns="0" title="2 - Liste des objets/items à trouver sur le jeu" />
    </pages>
  </query>
</api>