You are looking at the HTML representation of the XML format.
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="20120202114548" timestamp="2012-02-02T11:45:48Z" ns="0" title="Вірш життя" />
        <page value="20120202115515" timestamp="2012-02-02T11:55:15Z" ns="0" title="Філософська герменевтика:сучасний дискурс" />
        <page value="20120216151650" timestamp="2012-02-16T15:16:50Z" ns="0" title="Агикати" />
        <page value="20120220100503" timestamp="2012-02-20T10:05:03Z" ns="0" title="Ай-вій" />
        <page value="20120221161107" timestamp="2012-02-21T16:11:07Z" ns="0" title="Алю!" />
        <page value="20120221183324" timestamp="2012-02-21T18:33:24Z" ns="0" title="Анахтемський" />
        <page value="20120221185920" timestamp="2012-02-21T18:59:20Z" ns="0" title="Ангелян" />
        <page value="20120221185957" timestamp="2012-02-21T18:59:57Z" ns="0" title="Ангелянець" />
        <page value="20120221190042" timestamp="2012-02-21T19:00:42Z" ns="0" title="Ангелянський" />
        <page value="20120221190629" timestamp="2012-02-21T19:06:29Z" ns="0" title="Андрієць" />
      </results>
    </querypage>
  </query>
</api>