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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.
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<?xml version="1.0"?>
<api>
  <query-continue>
    <querypage qpoffset="10" />
  </query-continue>
  <query>
    <querypage name="Ancientpages">
      <results>
        <page value="20141021103002" timestamp="2014-10-21T10:30:02Z" ns="0" title="Fortbildungen/Horizon Report 2012" />
        <page value="20141108130158" timestamp="2014-11-08T13:01:58Z" ns="0" title="Beispiel-Steckbrief Antonella" />
        <page value="20141118102553" timestamp="2014-11-18T10:25:53Z" ns="0" title="Klexikon/Beispielartikel" />
        <page value="20141119221839" timestamp="2014-11-19T22:18:39Z" ns="0" title="Klexikon/Klexikon-Hilfeseiten" />
        <page value="20141123083729" timestamp="2014-11-23T08:37:29Z" ns="0" title="Wortspeicher (Mathematik)" />
        <page value="20141126160841" timestamp="2014-11-26T16:08:41Z" ns="0" title="Bildungsstandards Mathematik" />
        <page value="20141126160904" timestamp="2014-11-26T16:09:04Z" ns="0" title="Lernspiel Rakete" />
        <page value="20141126160914" timestamp="2014-11-26T16:09:14Z" ns="0" title="Tangram" />
        <page value="20141126160923" timestamp="2014-11-26T16:09:23Z" ns="0" title="Placemat" />
        <page value="20141126160931" timestamp="2014-11-26T16:09:31Z" ns="0" title="Symbole" />
      </results>
    </querypage>
  </query>
</api>