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HTML is good for debugging, but is unsuitable for application use.
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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="20041116082003" timestamp="2004-11-16T08:20:03Z" ns="0" title="Programmierung" />
        <page value="20041118121547" timestamp="2004-11-18T12:15:47Z" ns="0" title="PIL und wxPython" />
        <page value="20041118122248" timestamp="2004-11-18T12:22:48Z" ns="0" title="PIL und Tkinter" />
        <page value="20041118145034" timestamp="2004-11-18T14:50:34Z" ns="0" title="Administrator" />
        <page value="20041124110210" timestamp="2004-11-24T11:02:10Z" ns="0" title="Python" />
        <page value="20041124111033" timestamp="2004-11-24T11:10:33Z" ns="0" title="ZIP-Dateien erstellen mit Python" />
        <page value="20041125153807" timestamp="2004-11-25T15:38:07Z" ns="0" title="Kdesktop lock" />
        <page value="20041125160049" timestamp="2004-11-25T16:00:49Z" ns="0" title="PID herausfinden" />
        <page value="20041202150904" timestamp="2004-12-02T15:09:04Z" ns="0" title="C" />
        <page value="20041210161710" timestamp="2004-12-10T16:17:10Z" ns="0" title="Wichtige Befehle" />
      </results>
    </querypage>
  </query>
</api>