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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="20070518150921" timestamp="2007-05-18T15:09:21Z" ns="0" title="Portada" />
        <page value="20070522152618" timestamp="2007-05-22T15:26:18Z" ns="0" title="Zirriborroa" />
        <page value="20070524065815" timestamp="2007-05-24T06:58:15Z" ns="0" title="RSSak: iraultzaren giltzarri" />
        <page value="20070524141248" timestamp="2007-05-24T14:12:48Z" ns="0" title="Del.icio.us: web 2.0ren izarretako bat" />
        <page value="20070524143200" timestamp="2007-05-24T14:32:00Z" ns="0" title="Wikispaces: elkarrekin idazteko aukera arina" />
        <page value="20070524145642" timestamp="2007-05-24T14:56:42Z" ns="0" title="Quintura, etiketa bidezko bilatzailea" />
        <page value="20070525064250" timestamp="2007-05-25T06:42:50Z" ns="0" title="Oinarrizko zenbait kontzeptu" />
        <page value="20070525100100" timestamp="2007-05-25T10:01:00Z" ns="0" title="BubbleShare: argazkiak partekatzeko gune bat" />
        <page value="20070525100337" timestamp="2007-05-25T10:03:37Z" ns="0" title="Talk Digger: nor ari da nire kontura?" />
        <page value="20070525100804" timestamp="2007-05-25T10:08:04Z" ns="0" title="Zabaldu.com: bihur zaitez editore" />
      </results>
    </querypage>
  </query>
</api>