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>
    <allredirects garcontinue="Workshop_RITMARE_27/28_gennaio_2014|179" />
  </query-continue>
  <query>
    <pages>
      <page pageid="114" ns="0" title="Ritmare interface: UC1-4" />
      <page pageid="116" ns="0" title="Ritmare interface: UC1-6" />
      <page pageid="119" ns="0" title="Meeting 14/15-11-2013" />
      <page pageid="137" ns="0" title="Geo Starter Kit" />
      <page pageid="158" ns="0" title="Help breve EDI" />
      <page pageid="178" ns="0" title="Meeting 27 - 28-01-2014" />
      <page pageid="185" ns="0" title="Prova" />
      <page pageid="186" ns="0" title="Meeting DevelopmentTeam SK - 10-02-2014" />
      <page pageid="208" ns="0" title="Getting Started 2" />
      <page pageid="256" ns="0" title="INSTALLAZIONE SK-1.0" />
    </pages>
  </query>
</api>