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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="20050227054729" timestamp="2005-02-27T05:47:29Z" ns="0" title="Knoppix Links" />
        <page value="20050508015421" timestamp="2005-05-08T01:54:21Z" ns="0" title="Knoppix /dev/null Permission Denied" />
        <page value="20050723231111" timestamp="2005-07-23T23:11:11Z" ns="0" title="Kernel-parameters-2.6.11" />
        <page value="20050725163203" timestamp="2005-07-25T16:32:03Z" ns="0" title="Images/c/c3/Knx boot.png" />
        <page value="20050901044404" timestamp="2005-09-01T04:44:04Z" ns="0" title="Gmailfs" />
        <page value="20050902094401" timestamp="2005-09-02T09:44:01Z" ns="0" title="Open Groupware" />
        <page value="20050902094651" timestamp="2005-09-02T09:46:51Z" ns="0" title="Burning the CD / DVD" />
        <page value="20050902101623" timestamp="2005-09-02T10:16:23Z" ns="0" title="Knoppix CustomizationsDeutsch" />
        <page value="20050902145044" timestamp="2005-09-02T14:50:44Z" ns="0" title="Screen Shots" />
        <page value="20050909123318" timestamp="2005-09-09T12:33:18Z" ns="0" title="Wikispam" />
      </results>
    </querypage>
  </query>
</api>