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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="20060518193928" timestamp="2006-05-18T19:39:28Z" ns="0" title="Upstream Photon Veto" />
        <page value="20060518194134" timestamp="2006-05-18T19:41:34Z" ns="0" title="UPV" />
        <page value="20060519145616" timestamp="2006-05-19T14:56:16Z" ns="0" title="Agenda" />
        <page value="20060519150307" timestamp="2006-05-19T15:03:07Z" ns="0" title="Conference Call, May 15, 2006" />
        <page value="20060519150411" timestamp="2006-05-19T15:04:11Z" ns="0" title="Conference Call, May 19, 2006" />
        <page value="20060519150648" timestamp="2006-05-19T15:06:48Z" ns="0" title="Agenda 060515" />
        <page value="20060519154512" timestamp="2006-05-19T15:45:12Z" ns="0" title="Minutes 060515" />
        <page value="20060522142838" timestamp="2006-05-22T14:28:38Z" ns="0" title="Reconstruction" />
        <page value="20060524024346" timestamp="2006-05-24T02:43:46Z" ns="0" title="Minutes 060519" />
        <page value="20060607224628" timestamp="2006-06-07T22:46:28Z" ns="0" title="Conference Call, June 9, 2006" />
      </results>
    </querypage>
  </query>
</api>