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="20140524222225" timestamp="2014-05-24T22:22:25Z" ns="0" title="Peryferia:stacje:fdd3" />
        <page value="20140524235957" timestamp="2014-05-24T23:59:57Z" ns="0" title="Kable Elwro FDD" />
        <page value="20140525001545" timestamp="2014-05-25T00:15:45Z" ns="0" title="Peryferia:stacje:fdd3000" />
        <page value="20140528194414" timestamp="2014-05-28T19:44:14Z" ns="0" title="Sygnał taktujący" />
        <page value="20140528195846" timestamp="2014-05-28T19:58:46Z" ns="0" title="Sygnał BUSRQ" />
        <page value="20140528203852" timestamp="2014-05-28T20:38:52Z" ns="0" title="Sygnał IOA5" />
        <page value="20140528205233" timestamp="2014-05-28T20:52:33Z" ns="0" title="Sygnał DRD" />
        <page value="20140528205304" timestamp="2014-05-28T20:53:04Z" ns="0" title="Sygnał DWR" />
        <page value="20140528205323" timestamp="2014-05-28T20:53:23Z" ns="0" title="Sygnał MTR" />
        <page value="20140528210944" timestamp="2014-05-28T21:09:44Z" ns="0" title="Cykl zegarowy" />
      </results>
    </querypage>
  </query>
</api>