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="20090212132256" timestamp="2009-02-12T13:22:56Z" ns="0" title="Endschalldämpfer demontieren (SuperSport)" />
        <page value="20090212132318" timestamp="2009-02-12T13:23:18Z" ns="0" title="Luftfilter demontieren (SuperSport)" />
        <page value="20090212132346" timestamp="2009-02-12T13:23:46Z" ns="0" title="Showa-Federbein zerlegen (SuperSport)" />
        <page value="20090227151852" timestamp="2009-02-27T15:18:52Z" ns="0" title="Batterie ausbauen (SuperSport)" />
        <page value="20090314204401" timestamp="2009-03-14T20:44:01Z" ns="0" title="Zündung 2-Ventiler" />
        <page value="20090316144758" timestamp="2009-03-16T14:47:58Z" ns="0" title="Ducati 400SS" />
        <page value="20090316144801" timestamp="2009-03-16T14:48:01Z" ns="0" title="Ducati 600SS" />
        <page value="20090316144813" timestamp="2009-03-16T14:48:13Z" ns="0" title="Ducati 750 GT" />
        <page value="20090316144814" timestamp="2009-03-16T14:48:14Z" ns="0" title="Ducati 750F1" />
        <page value="20090316144816" timestamp="2009-03-16T14:48:16Z" ns="0" title="Ducati 750SS i.E." />
      </results>
    </querypage>
  </query>
</api>