(if calendar-christian-all-holidays-flag
(append
(holiday-fixed 1 6 "Epiphany")
- (holiday-julian 12 25 "Eastern Orthodox Christmas")
+ (holiday-julian 12 25 "Christmas (Julian calendar)")
(holiday-greek-orthodox-easter)
(holiday-fixed 8 15 "Assumption")
(holiday-advent 0 "Advent")))))