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>
    <alllinks>
      <l ns="0" title="BD - Boo Tchou - LA BOOTCHOUCRATIE" />
      <l ns="0" title="BONUS : Etienne CHOUARD : L&#039; interview sans coupure Toulouse 20 mai 2017" />
      <l ns="0" title="BOOOM!!!- Étienne Chouard brise l&#039;omertà en direct à la télé!!!" />
      <l ns="0" title="Bac à sable maquette &quot;Propositions&quot;" />
      <l ns="0" title="Bernard Manin et le tournant deliberatif" />
      <l ns="0" title="Bibliographie" />
      <l ns="0" title="BibliographiesOuListesDeDocuments" />
      <l ns="0" title="Big Bang Blog" />
      <l ns="0" title="Bloc 1" />
      <l ns="0" title="Bloc 2" />
    </alllinks>
  </query>
  <query-continue>
    <alllinks alcontinue="Bloc_3" />
  </query-continue>
</api>