anchor.diff:    weekdaysShort: ['su','ma','ti','ke','to','pe','la'],
     formatDate: function(d) {
       return [d.getDate(), d.getMonth() + 1, d.getFullYear()].join('.');
  +  },
  +  formatTitle: function(monthName, fullYear) {
  +    return monthName + ' ' + fullYear;
     }
   }
   ----
  
positive.code:   cancel: 'Peruuta',
    formatDate: function(d) {
      return moment(d).format(moment.localeData().longDateFormat('L'));
    }
  };
  ----
  
negative.code: * [propertyname]#i18n.today# – Translation of the Today shortcut button text.
  * [propertyname]#i18n.cancel# – Translation of the Cancel button text.
  * [propertyname]#i18n.formatDate# – A function to format given [classname]#Date# object as [classname]#String#.
  * [propertyname]#i18n.formatTitle# – A function to format the given monthName and year as a [classname]#String# representation to be placed over a calendar.
  
  Once set, the [propertyname]#i18n# property affects how months and dates are displayed in the [vaadinelement]#vaadin-date-picker# dropdown as well as the language of the buttons in the element.
  
  