(holiday-passover-etc): Postpone date of Yom

HaShoah to Monday if it falls on Sunday (as per ammendment passed
by the Israeli Kenesset, May, 1997).

1 files changed, 4 insertions, 1 deletions

diff --git a/lisp/calendar/cal-hebrew.el b/lisp/calendar/cal-hebrew.el
index 23e6d694b08..79bbd956474 100644
--- a/lisp/calendar/cal-hebrew.el
+++ b/lisp/calendar/cal-hebrew.el
@@ -441,7 +441,10 @@ nil if it is not visible in the current calendar window."
                    "Passover (seventh day)")
              (list (calendar-gregorian-from-absolute (+ abs-p 7))
                    "Passover (eighth day)")
-             (list (calendar-gregorian-from-absolute (+ abs-p 12))
+             (list (calendar-gregorian-from-absolute
+                    (if (zerop (% (+ abs-p 12) 7))
+                        (+ abs-p 13)
+                      (+ abs-p 12)))
                    "Yom HaShoah")
              (list (calendar-gregorian-from-absolute
                     (if (zerop (% abs-p 7))