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="Bab_Wijsman|218" />
  </query-continue>
  <query>
    <pages>
      <page pageid="5" ns="0" title="Bekende Dode Nederlanders" />
      <page pageid="15" ns="0" title="Begraafplaats Zorgvlied (Amsterdam)" />
      <page pageid="134" ns="0" title="Geboren te Amsterdam" />
      <page pageid="136" ns="0" title="Overleden te Amsterdam" />
      <page pageid="541" ns="0" title="Voetballer" />
      <page pageid="542" ns="0" title="Voetbaltrainer" />
      <page pageid="854" ns="0" title="Crematorium Moscowa (Arnhem)" />
      <page pageid="1612" ns="0" title="Links" />
      <page pageid="4735" ns="0" title="Theo Bos" />
    </pages>
  </query>
</api>