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 galcontinue="BETTERAVE_bull&#039;s_blood" />
  </query-continue>
  <query>
    <pages>
      <page pageid="893" ns="0" title="BENINCASA Bidao" />
      <page pageid="1120" ns="0" title="BENINCASA Hua sai" />
      <page pageid="455" ns="0" title="BETTERAVE Bull&#039;s blood" />
      <page pageid="463" ns="0" title="BETTERAVE Détroit 2" />
      <page pageid="10623" ns="0" title="BETTERAVE Géante rouge" />
      <page pageid="20661" ns="0" title="BETTERAVE Jaune d&#039; Eckendorf" />
      <page pageid="22611" ns="0" title="BETTERAVE Jaune eckendorf" />
      <page pageid="464" ns="0" title="BETTERAVE Jaune géante de Vauriac" />
      <page pageid="20662" ns="0" title="BETTERAVE Rossa Mamouth" />
      <page pageid="22612" ns="0" title="BETTERAVE Rossa mammouth" />
    </pages>
  </query>
</api>