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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="20060509220312" timestamp="2006-05-09T22:03:12Z" ns="0" title="Current events" />
        <page value="20060603211722" timestamp="2006-06-03T21:17:22Z" ns="0" title="Web Tour Disclaimer" />
        <page value="20060604233043" timestamp="2006-06-04T23:30:43Z" ns="0" title="Test" />
        <page value="20060609201028" timestamp="2006-06-09T20:10:28Z" ns="0" title="Tagging of files in this wiki" />
        <page value="20060609221559" timestamp="2006-06-09T22:15:59Z" ns="0" title="Membership Resources" />
        <page value="20060609221707" timestamp="2006-06-09T22:17:07Z" ns="0" title="Parking lot" />
        <page value="20060624024606" timestamp="2006-06-24T02:46:06Z" ns="0" title="What else do you need to know" />
        <page value="20060702170648" timestamp="2006-07-02T17:06:48Z" ns="0" title="Forms" />
        <page value="20060725221737" timestamp="2006-07-25T22:17:37Z" ns="0" title="Overview of the Council form of branch governance" />
        <page value="20060904160952" timestamp="2006-09-04T16:09:52Z" ns="0" title="Directories" />
      </results>
    </querypage>
  </query>
</api>