You are looking at the HTML representation of the XML format.
HTML is good for debugging, but probably is not suitable for your application.
See complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query>
    <querypage name="Ancientpages">
      <results>
        <page value="20061122233907" timestamp="2006-11-22T23:39:07Z" ns="0" title="TEX/Favorites" />
        <page value="20061206212643" timestamp="2006-12-06T21:26:43Z" ns="0" title="Mathematica" />
        <page value="20061210110708" timestamp="2006-12-10T11:07:08Z" ns="0" title="Preview-LaTeX (Emacs-modul)" />
        <page value="20061210122956" timestamp="2006-12-10T12:29:56Z" ns="0" title="CSS röviden" />
        <page value="20061212161227" timestamp="2006-12-12T16:12:27Z" ns="0" title="Bash gyorsbillentyűk, beírt parancsok visszahívása" />
        <page value="20061212175031" timestamp="2006-12-12T17:50:31Z" ns="0" title="Profile, bashrc, alias" />
        <page value="20061212191703" timestamp="2006-12-12T19:17:03Z" ns="0" title="Az SSH és SCP parancsok" />
        <page value="20061212225453" timestamp="2006-12-12T22:54:53Z" ns="0" title="Procmail" />
        <page value="20061213090315" timestamp="2006-12-13T09:03:15Z" ns="0" title="Billentyűzet kiosztás" />
        <page value="20061213090319" timestamp="2006-12-13T09:03:19Z" ns="0" title="FTP szerver konfiguráció windows alatt" />
      </results>
    </querypage>
  </query>
  <query-continue>
    <querypage qpoffset="10" />
  </query-continue>
</api>