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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="20090430131700" timestamp="2009-04-30T13:17:00Z" ns="0" title="My test/sub page1" />
        <page value="20090504134917" timestamp="2009-05-04T13:49:17Z" ns="0" title="My test/sub page2" />
        <page value="20090506131406" timestamp="2009-05-06T13:14:06Z" ns="0" title="Test template" />
        <page value="20090522100558" timestamp="2009-05-22T10:05:58Z" ns="0" title="Tool" />
        <page value="20090904100008" timestamp="2009-09-04T10:00:08Z" ns="0" title="Simon&#039;s decision making model" />
        <page value="20090907110331" timestamp="2009-09-07T11:03:31Z" ns="0" title="XPTO framework" />
        <page value="20090909094258" timestamp="2009-09-09T09:42:58Z" ns="0" title="MELA/NettiMELA" />
        <page value="20090909105046" timestamp="2009-09-09T10:50:46Z" ns="0" title="GAYA-JLP/GAYA" />
        <page value="20090910084512" timestamp="2009-09-10T08:45:12Z" ns="0" title="Forest Maps" />
        <page value="20090911115019" timestamp="2009-09-11T11:50:19Z" ns="0" title="Subject:Forestry" />
      </results>
    </querypage>
  </query>
</api>