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>
    <allpages apcontinue="Funzionalità" />
  </query-continue>
  <query>
    <allpages>
      <p pageid="42" ns="0" title="Classi (tabella)" />
      <p pageid="43" ns="0" title="Classialunni (tabella)" />
      <p pageid="82" ns="0" title="Database" />
      <p pageid="150" ns="0" title="Decreto Legge 18 ottobre 2012, n. 179 - art. 9-bis" />
      <p pageid="6" ns="0" title="Decreto Legge 6 luglio 2012, n. 95 - art. 7 - comma dal 29 al 32" />
      <p pageid="170" ns="0" title="Decreto ministeriale n. 139 del 22 agosto 2007 (allegato 2 - gli assi culturali)" />
      <p pageid="44" ns="0" title="Festivi (tabella)" />
      <p pageid="45" ns="0" title="Figureprofessionali (tabella)" />
      <p pageid="46" ns="0" title="Figureprofessionalidettagli (tabella)" />
      <p pageid="47" ns="0" title="Firme (tabella)" />
    </allpages>
  </query>
</api>