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>
    <querypage qpoffset="10" />
  </query-continue>
  <query>
    <querypage name="Ancientpages">
      <results>
        <page value="20140626142635" timestamp="2014-06-26T14:26:35Z" ns="0" title="Piping (STP)" />
        <page value="20140626144527" timestamp="2014-06-26T14:45:27Z" ns="0" title="Macro instabiliteit" />
        <page value="20140701134728" timestamp="2014-07-01T13:47:28Z" ns="0" title="Oppervlakkig afschuiven" />
        <page value="20140701141655" timestamp="2014-07-01T14:16:55Z" ns="0" title="Beschadigingen buitentalud" />
        <page value="20140701142642" timestamp="2014-07-01T14:26:42Z" ns="0" title="Vertroebeling van water" />
        <page value="20140701142851" timestamp="2014-07-01T14:28:51Z" ns="0" title="Beschadiging bekleding binnentalud" />
        <page value="20140701143328" timestamp="2014-07-01T14:33:28Z" ns="0" title="Graverij door mensen / werkzaamheden" />
        <page value="20140702114440" timestamp="2014-07-02T11:44:40Z" ns="0" title="Onderspoeling / uithollen buitenteen" />
        <page value="20140702121854" timestamp="2014-07-02T12:18:54Z" ns="0" title="Overlopende dijk" />
        <page value="20140702122707" timestamp="2014-07-02T12:27:07Z" ns="0" title="Oppervlakkige schade aan buitentalud boven de waterlijn" />
      </results>
    </querypage>
  </query>
</api>