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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>
    <allpages>
      <p pageid="53" ns="0" title="Gibanje v gorah" />
      <p pageid="1" ns="0" title="Glavna stran" />
      <p pageid="48" ns="0" title="Gorska pokrajina" />
      <p pageid="177" ns="0" title="Gorska resevalna sluzba" />
      <p pageid="55" ns="0" title="Gorska reševalna služba" />
      <p pageid="28" ns="0" title="Main Page" />
      <p pageid="178" ns="0" title="Nacrtovanje ture" />
      <p pageid="49" ns="0" title="Načrtovanje ture" />
      <p pageid="50" ns="0" title="Nevarnosti v gorah" />
      <p pageid="23" ns="0" title="Orientacija" />
    </allpages>
  </query>
  <query-continue>
    <allpages apfrom="Osebna in tehnicna oprema" />
  </query-continue>
</api>