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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="20130805123046" timestamp="2013-08-05T12:30:46Z" ns="0" title="Dynamic b-threads" />
        <page value="20140211140442" timestamp="2014-02-11T14:04:42Z" ns="0" title="MCInstrumentation" />
        <page value="20140319094016" timestamp="2014-03-19T09:40:16Z" ns="0" title="Nondetermism" />
        <page value="20140319094515" timestamp="2014-03-19T09:45:15Z" ns="0" title="BPJ Model Checking API" />
        <page value="20140319094752" timestamp="2014-03-19T09:47:52Z" ns="0" title="Nondeterminism" />
        <page value="20140319094901" timestamp="2014-03-19T09:49:01Z" ns="0" title="JavaFlow" />
        <page value="20140417095935" timestamp="2014-04-17T09:59:35Z" ns="0" title="Water Tap" />
        <page value="20140427124014" timestamp="2014-04-27T12:40:14Z" ns="0" title="The BPJ Library" />
        <page value="20140427124921" timestamp="2014-04-27T12:49:21Z" ns="0" title="TraceVis" />
        <page value="20140427191535" timestamp="2014-04-27T19:15:35Z" ns="0" title="Tic-Tac-Toe" />
      </results>
    </querypage>
  </query>
</api>