MariusButuc

    #if($request.newsletter)
      $!doc.set("newsletter", 1, $currentUser)
    #else
      $!doc.set("newsletter", "", $currentUser)
    #end
[...]
{{html wiki="true"}}
       <div class="form-perso">
@@         #if ($doc.display("newsletter", $oUser)) newsletter #else NO news #end
         <div><label><input type="checkbox" #if($doc.display("newsletter", $oUser)) checked="checked" #end name="newsletter" /> Subscribe to our Newsletter</label></div>
       </div>
[...]