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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.
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="20120306050120" timestamp="2012-03-06T05:01:20Z" ns="0" title="Dokumentation S5/S7 für Windows" />
        <page value="20120306051436" timestamp="2012-03-06T05:14:36Z" ns="0" title="Intellisense" />
        <page value="20120317073504" timestamp="2012-03-17T07:35:04Z" ns="0" title="StatusRecorder-Oszilloskop" />
        <page value="20120317074148" timestamp="2012-03-17T07:41:48Z" ns="0" title="VAT-Status Aufzeichnung im Oszilloskop darstellen" />
        <page value="20120317092111" timestamp="2012-03-17T09:21:11Z" ns="0" title="FB-Status mit Lokalvariablen im Oszilloskop darstellen" />
        <page value="20120318051433" timestamp="2012-03-18T05:14:33Z" ns="0" title="Zusammenspiel zwischen LogView,OsciCAM®,Statusrecorder und Oszilloskop" />
        <page value="20120318072801" timestamp="2012-03-18T07:28:01Z" ns="0" title="Zusammenspiel zwischen LogView und OsciCAM® ohne SPS schwerer Gegenstand" />
        <page value="20120324072554" timestamp="2012-03-24T07:25:54Z" ns="0" title="Zusammenspiel zwischen LogView und OsciCAM® ohne SPS" />
        <page value="20120328142555" timestamp="2012-03-28T14:25:55Z" ns="0" title="Video" />
        <page value="20120330163745" timestamp="2012-03-30T16:37:45Z" ns="0" title="Archivieren" />
      </results>
    </querypage>
  </query>
</api>