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="H2M_-_Imports" />
  </query-continue>
  <query>
    <alllinks>
      <l ns="0" title="CS : Java SE" />
      <l ns="0" title="CoursesM" />
      <l ns="0" title="Générateur de Numéros de licences" />
      <l ns="0" title="H2M - Création de fiche de média" />
      <l ns="0" title="H2M - Edition d&#039;une fiche média" />
      <l ns="0" title="H2M - Fichiers du logiciel" />
      <l ns="0" title="H2M - Generateur HTML" />
      <l ns="0" title="H2M - Gestion Emplacements" />
      <l ns="0" title="H2M - Gestion Prets" />
      <l ns="0" title="H2M - Gestion des médias/supports" />
    </alllinks>
  </query>
</api>