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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.
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<?xml version="1.0"?>
<api>
  <query-continue>
    <querypage qpoffset="10" />
  </query-continue>
  <query>
    <querypage name="Ancientpages">
      <results>
        <page value="20061120061453" timestamp="2006-11-20T06:14:53Z" ns="0" title="Class Events" />
        <page value="20070501221817" timestamp="2007-05-01T22:18:17Z" ns="0" title="CHI07" />
        <page value="20070629003023" timestamp="2007-06-29T00:30:23Z" ns="0" title="Sensors &amp; Circuits" />
        <page value="20070813201634" timestamp="2007-08-13T20:16:34Z" ns="0" title="Electronics" />
        <page value="20070813201831" timestamp="2007-08-13T20:18:31Z" ns="0" title="Inter-Device Communication" />
        <page value="20070813201909" timestamp="2007-08-13T20:19:09Z" ns="0" title="Interaction Design Framework" />
        <page value="20070813202227" timestamp="2007-08-13T20:22:27Z" ns="0" title="More Sensors" />
        <page value="20070813203648" timestamp="2007-08-13T20:36:48Z" ns="0" title="Survey of Physical Interfaces for Music" />
        <page value="20070813234818" timestamp="2007-08-13T23:48:18Z" ns="0" title="Catagory:Main" />
        <page value="20071002165550" timestamp="2007-10-02T16:55:50Z" ns="0" title="Ambisonic Theater" />
      </results>
    </querypage>
  </query>
</api>