'dropdown.all' => '--- tous ---',
'dropdown.no' => '--- non ---',
'dropdown.this_day' => 'ce jour',
+// TODO: translate the following.
+// 'dropdown.last_day' => 'last day',
'dropdown.this_week' => 'cette semaine',
'dropdown.last_week' => 'la semaine passée',
'dropdown.this_month' => 'ce mois',