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 alcontinue="Deltas" />
  </query-continue>
  <query>
    <alllinks>
      <l ns="0" title="Bac à sable" />
      <l ns="0" title="Batteries" />
      <l ns="0" title="Boutiques ou Produits" />
      <l ns="0" title="Cartographies" />
      <l ns="0" title="Championnat du monde" />
      <l ns="0" title="Code" />
      <l ns="0" title="Comment débuter" />
      <l ns="0" title="Computer on Mirror stalks with a stub bar and rear wheel pickup mount." />
      <l ns="0" title="Constitution" />
      <l ns="0" title="Cx" />
    </alllinks>
  </query>
</api>