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HTML is good for debugging, but probably is not suitable for your application.
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<?xml version="1.0"?>
<api>
  <query>
    <pages>
      <page pageid="7" ns="6" title="Slika:Izpit1 13.pdf" />
      <page pageid="4" ns="6" title="Slika:Kolokvij1 13.pdf" />
      <page pageid="6" ns="6" title="Slika:Kolokvij2 13.pdf" />
      <page pageid="5" ns="6" title="Slika:Rezultati 13.pdf" />
    </pages>
  </query>
</api>