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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>
    <querypage name="Ancientpages">
      <results>
        <page value="20010908012402" timestamp="2001-09-08T01:24:02Z" ns="0" title="WiadomoĊ›ci Kulturalne" />
        <page value="20010908012403" timestamp="2001-09-08T01:24:03Z" ns="0" title="CDN 7/1998" />
        <page value="20010908012403" timestamp="2001-09-08T01:24:03Z" ns="0" title="Easy Rider" />
        <page value="20010908012403" timestamp="2001-09-08T01:24:03Z" ns="0" title="Easy Rider 10-11/1997" />
        <page value="20010908012403" timestamp="2001-09-08T01:24:03Z" ns="0" title="Czereja" />
        <page value="20010908012403" timestamp="2001-09-08T01:24:03Z" ns="0" title="Dramaturgia Polska 4-5 (1997)" />
        <page value="20010908012404" timestamp="2001-09-08T01:24:04Z" ns="0" title="MIT" />
        <page value="20010908012405" timestamp="2001-09-08T01:24:05Z" ns="0" title="Marszbatalion" />
        <page value="20010908012405" timestamp="2001-09-08T01:24:05Z" ns="0" title="Lettre Internationale - po polsku" />
        <page value="20010908012405" timestamp="2001-09-08T01:24:05Z" ns="0" title="Marszbatalion 1(1998)" />
      </results>
    </querypage>
  </query>
  <query-continue>
    <querypage qpoffset="10" />
  </query-continue>
</api>