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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="20120722103813" timestamp="2012-07-22T10:38:13Z" ns="0" title="Zealous Chronicler" />
        <page value="20120722105748" timestamp="2012-07-22T10:57:48Z" ns="0" title="Audacious Accuser" />
        <page value="20120722105757" timestamp="2012-07-22T10:57:57Z" ns="0" title="Alluring Whelp" />
        <page value="20120722105908" timestamp="2012-07-22T10:59:08Z" ns="0" title="Bemused Tutor" />
        <page value="20120722105914" timestamp="2012-07-22T10:59:14Z" ns="0" title="Benign Shamus" />
        <page value="20120722105927" timestamp="2012-07-22T10:59:27Z" ns="0" title="Cantankerous Litigator" />
        <page value="20120722105933" timestamp="2012-07-22T10:59:33Z" ns="0" title="Carnaptious Moirologist" />
        <page value="20120722105956" timestamp="2012-07-22T10:59:56Z" ns="0" title="Condoling Chemist" />
        <page value="20120722110004" timestamp="2012-07-22T11:00:04Z" ns="0" title="Delineated Hobbyist" />
        <page value="20120722110022" timestamp="2012-07-22T11:00:22Z" ns="0" title="Despondent Milliner" />
      </results>
    </querypage>
  </query>
</api>