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-continue>
    <allimages gaifrom="softergee-1100x224-transp.png" />
  </query-continue>
  <query>
    <pages>
      <page pageid="81" ns="6" title="Slika:publicdownloads download.png" />
      <page pageid="66" ns="6" title="Slika:dataflows-20110616.png" />
      <page pageid="80" ns="6" title="Slika:publicdownloads publish.png" />
      <page pageid="82" ns="6" title="Slika:download noindex.png" />
      <page pageid="103" ns="6" title="Slika:proxy ie.png" />
      <page pageid="105" ns="6" title="Slika:proxy op.png" />
      <page pageid="102" ns="6" title="Slika:proxy gn2.png" />
      <page pageid="104" ns="6" title="Slika:proxy kq.jpg" />
      <page pageid="100" ns="6" title="Slika:proxy ff.png" />
      <page pageid="101" ns="6" title="Slika:proxy gn.png" />
    </pages>
  </query>
</api>