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="PyQt4:_utilitzant_Qt_Designer" />
  </query-continue>
  <query>
    <pages>
      <page pageid="213" ns="0" title="CSS selectors" />
      <page pageid="434" ns="0" title="E-mail Linux amb Postfix" />
      <page pageid="278" ns="0" title="E-mail Linux amb Sendmail" />
      <page pageid="172" ns="0" title="Estructura fĂ­sica del disc dur" />
      <page pageid="281" ns="0" title="FQDN" />
      <page pageid="457" ns="0" title="GNU/Linux" />
      <page pageid="3" ns="0" title="InterfĂ­cies dels discs durs" />
      <page pageid="357" ns="0" title="Joc del mur amb Python" />
      <page pageid="243" ns="0" title="Media server UPnP" />
      <page pageid="401" ns="0" title="MongoDB" />
    </pages>
  </query>
</api>