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>
    <alltransclusions gatcontinue="Beklemmingsgevaar|1460" />
  </query-continue>
  <query>
    <pages>
      <page pageid="625" ns="2" title="Gebruiker:BugBlue/Deurklemmer" />
      <page pageid="4984" ns="0" title="Bijeenkomst 28 augustus 2018" />
      <page pageid="5115" ns="0" title="Bijeenkomst 6 november 2018" />
      <page pageid="5116" ns="0" title="Bijeenkomst 20 november 2018" />
      <page pageid="5236" ns="0" title="Lockpicking (intro) workshop" />
      <page pageid="5257" ns="0" title="Bijeenkomst 7 mei 2019" />
      <page pageid="5258" ns="0" title="Bijeenkomst 21 mei 2019" />
      <page pageid="5259" ns="0" title="Bijeenkomst 4 juni 2019" />
      <page pageid="5262" ns="0" title="Moestuindingen-ruilmidddag 11 mei 2019" />
      <page pageid="5292" ns="0" title="Mede-deling" />
    </pages>
  </query>
</api>