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>
    <allpages gapcontinue="Techniques_at_online_betting3878741" />
  </query-continue>
  <query>
    <pages>
      <page pageid="173" ns="0" title="Taking pleasure in your Cigar6075981" contentmodel="wikitext" pagelanguage="nl" touched="2015-04-06T10:16:04Z" lastrevid="573" counter="401" length="2388" new="" />
      <page pageid="180" ns="0" title="Taking pleasure in your Cigar7758661" contentmodel="wikitext" pagelanguage="nl" touched="2015-04-06T10:28:37Z" lastrevid="580" counter="461" length="2427" new="" />
      <page pageid="604" ns="0" title="Tatarnikov Alexander (diezel sun)" contentmodel="wikitext" pagelanguage="nl" touched="2015-06-25T13:50:33Z" lastrevid="1022" counter="3941" length="1072" />
      <page pageid="269" ns="0" title="Techniques at online betting2681751" contentmodel="wikitext" pagelanguage="nl" touched="2015-04-12T11:01:07Z" lastrevid="671" counter="476" length="4198" new="" />
    </pages>
  </query>
</api>