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>
    <querypage name="Ancientpages">
      <results>
        <page value="20130503130823" timestamp="2013-05-03T13:08:23Z" ns="0" title="Frigo" />
        <page value="20130510200215" timestamp="2013-05-10T20:02:15Z" ns="0" title="Vaisseau Amiral de la flotte de Faction" />
        <page value="20130511180200" timestamp="2013-05-11T18:02:00Z" ns="0" title="Les Bases" />
        <page value="20130601190109" timestamp="2013-06-01T19:01:09Z" ns="0" title="Temps de Manœuvre" />
        <page value="20140117221444" timestamp="2014-01-17T22:14:44Z" ns="0" title="Déflecteur Luminique" />
        <page value="20140117221958" timestamp="2014-01-17T22:19:58Z" ns="0" title="Générateur de Champs Statique" />
        <page value="20140118132456" timestamp="2014-01-18T13:24:56Z" ns="0" title="Bataillon de Soldats" />
        <page value="20140118132700" timestamp="2014-01-18T13:27:00Z" ns="0" title="Bataillon de Fanatiques" />
        <page value="20140118132927" timestamp="2014-01-18T13:29:27Z" ns="0" title="Bataillon de Croisés" />
        <page value="20140118133525" timestamp="2014-01-18T13:35:25Z" ns="0" title="Pacificateur" />
      </results>
    </querypage>
  </query>
  <query-continue>
    <querypage qpoffset="10" />
  </query-continue>
</api>