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>
    <allimages gaicontinue="The_magician_gamesthe_magician_games_2910.jpg" />
  </query-continue>
  <query>
    <pages>
      <page ns="6" title="Fichier:Temporary furnished apartments 1755.jpg" missing="" imagerepository="local">
        <imageinfo>
          <ii timestamp="2012-05-23T16:25:15Z" user="BronislawZepeda" />
        </imageinfo>
      </page>
      <page ns="6" title="Fichier:Testosterone 884.jpg" missing="" imagerepository="local">
        <imageinfo>
          <ii timestamp="2012-09-12T07:52:48Z" user="AdinaMeier1" />
        </imageinfo>
      </page>
      <page ns="6" title="Fichier:The Bitcoin will not be stopped 5442.jpg" missing="" imagerepository="local">
        <imageinfo>
          <ii timestamp="2012-08-21T03:45:48Z" user="MartynaCorley" />
        </imageinfo>
      </page>
      <page ns="6" title="Fichier:The Highwayman - Conference Facilities 5327.jpg" missing="" imagerepository="local">
        <imageinfo>
          <ii timestamp="2012-07-15T13:15:00Z" user="EstellaMartin" />
        </imageinfo>
      </page>
    </pages>
  </query>
</api>