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="Bodemkunde|29" />
  </query-continue>
  <query>
    <alllinks>
      <l fromid="349" ns="0" title="Bazi-kamp De Rips" />
      <l fromid="198" ns="0" title="Bebouwing westzijde Kerkstraat" />
      <l fromid="385" ns="0" title="Bebouwing westzijde Kerkstraat" />
      <l fromid="3553" ns="0" title="Begraafplaats bij middeleeuwse kerk Asten" />
      <l fromid="3552" ns="0" title="Begraafplaats hoek Kerkstraat-Moussaultstraat Asten 1845-1920" />
      <l fromid="3420" ns="0" title="Berkes Hoeve in Gemert" />
      <l fromid="31" ns="0" title="Bernheze" />
      <l fromid="31" ns="0" title="Best" />
      <l fromid="1900" ns="0" title="Bethlehemkerk Helmond" />
      <l fromid="370" ns="0" title="Blikken Emmer" />
    </alllinks>
  </query>
</api>