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="Boekent_(gehucht)" />
  </query-continue>
  <query>
    <pages>
      <page ns="0" title="Bernheze" missing="" />
      <page ns="0" title="Best" missing="" />
      <page ns="0" title="Bodemkunde" missing="" />
      <page pageid="541" ns="0" title="Bazi-kamp De Rips" />
      <page pageid="196" ns="0" title="Bebouwing westzijde Kerkstraat" />
      <page pageid="3552" ns="0" title="Begraafplaats bij middeleeuwse kerk Asten" />
      <page pageid="3553" ns="0" title="Begraafplaats hoek Kerkstraat-Moussaultstraat Asten 1845-1920" />
      <page pageid="3422" ns="0" title="Berkes Hoeve in Gemert" />
      <page pageid="1898" ns="0" title="Bethlehemkerk Helmond" />
      <page pageid="171" ns="0" title="Blikken Emmer" />
    </pages>
  </query>
</api>