Erreur d"analyse XML : erreur dans le traitement d"une référence 
 > d"entité externe
 > Emplacement : chrome://calendar/content/calendar.xul
 > Numéro de ligne 67, Colonne 68 :  <!ENTITY % dtd2 SYSTEM 
 > "chrome://calendar/locale/calendar.dtd" > %dtd2;
 > -------------------------------------------------------------------^    
 > <!ENTITY % calendarDTD SYSTEM "chrome://calendar/locale/calendar.dtd" 
 > > %calendarDTD;
 > ----------------------------------------------------------------------------^    
 > <!ENTITY % dtd2 SYSTEM "chrome://calendar/locale/calendar.dtd" > %dtd2;
 > ---------------------------------------------------------------------^    
 > <!ENTITY % dtd2 SYSTEM "chrome://calendar/locale/calendar.dtd" > %dtd2;
 > ---------------------------------------------------------------------^    
 > <!ENTITY % dtd2 SYSTEM "chrome://calendar/locale/calendar.dtd" > %dtd2;
 > ---------------------------------------------------------------------^    
 > <!ENTITY % dtd2 SYSTEM "chrome://calendar/locale/calendar.dtd" > %dtd2;
 > ---------------------------------------------------------------------^