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>
    <pageswithprop pwpcontinue="52" />
  </query-continue>
  <query>
    <pageswithprop>
      <page pageid="3" ns="0" title="Scheur" value="&lt;span style=&quot;position: absolute; clip: rect(1px 1px 1px 1px); clip: rect(1px, 1px, 1px, 1px);&quot;&gt;Scheur&lt;/span&gt;" />
      <page pageid="5" ns="0" title="Macro instabiliteit" value="&lt;span style=&quot;position: absolute; clip: rect(1px 1px 1px 1px); clip: rect(1px, 1px, 1px, 1px);&quot;&gt;Macro instabiliteit&lt;/span&gt;" />
      <page pageid="12" ns="0" title="Steunen binnentalud met zandzakken" value="&lt;span style=&quot;position: absolute; clip: rect(1px 1px 1px 1px); clip: rect(1px, 1px, 1px, 1px);&quot;&gt;Steunen binnentalud met zandzakken&lt;/span&gt;" />
      <page pageid="13" ns="0" title="Stabilisatie binnentalud met steunberm" value="&lt;span style=&quot;position: absolute; clip: rect(1px 1px 1px 1px); clip: rect(1px, 1px, 1px, 1px);&quot;&gt;Stabilisatie binnentalud met steunberm&lt;/span&gt;" />
      <page pageid="18" ns="0" title="Piping (STP)" value="&lt;span style=&quot;position: absolute; clip: rect(1px 1px 1px 1px); clip: rect(1px, 1px, 1px, 1px);&quot;&gt;Piping (STP)&lt;/span&gt;" />
      <page pageid="19" ns="0" title="Opbarsten" value="&lt;span style=&quot;position: absolute; clip: rect(1px 1px 1px 1px); clip: rect(1px, 1px, 1px, 1px);&quot;&gt;Opbarsten&lt;/span&gt;" />
      <page pageid="29" ns="10" title="Sjabloon:Tegel" value="&lt;span style=&quot;position: absolute; clip: rect(1px 1px 1px 1px); clip: rect(1px, 1px, 1px, 1px);&quot;&gt;Sjabloon:Tegel&lt;/span&gt;" />
      <page pageid="35" ns="12" title="Help:Emptypage" value="&lt;span style=&quot;position: absolute; clip: rect(1px 1px 1px 1px); clip: rect(1px, 1px, 1px, 1px);&quot;&gt;Help:Emptypage&lt;/span&gt;" />
      <page pageid="49" ns="0" title="Verzakkingen" value="&lt;span style=&quot;position: absolute; clip: rect(1px 1px 1px 1px); clip: rect(1px, 1px, 1px, 1px);&quot;&gt;Verzakkingen&lt;/span&gt;" />
      <page pageid="51" ns="0" title="Verweking binnentalud, binnenteen of berm" value="&lt;span style=&quot;position: absolute; clip: rect(1px 1px 1px 1px); clip: rect(1px, 1px, 1px, 1px);&quot;&gt;Verweking binnentalud, binnenteen of berm&lt;/span&gt;" />
    </pageswithprop>
  </query>
</api>