From b77a261c8781b66c0ffce1804331be11026a643e Mon Sep 17 00:00:00 2001
From: Dianne Skoll <dianne@skoll.ca>
Date: Wed, 12 Oct 2022 14:05:55 -0400
Subject: [PATCH] Add Jewish holidays to the list of standard holiday files.

---
 include/holidays/jewish.rem | 107 ++++++++++++++++++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 include/holidays/jewish.rem

diff --git a/include/holidays/jewish.rem b/include/holidays/jewish.rem
new file mode 100644
index 00000000..99866f77
--- /dev/null
+++ b/include/holidays/jewish.rem
@@ -0,0 +1,107 @@
+# Major Jewish Holidays
+
+# Set the variable InIsrael to 1 if you live in Israel.  Otherwise,
+# you get the Diaspora versions of Jewish holidays
+SET InIsrael value("InIsrael", 0)
+
+# Set the variable Reform to 1 if you want the Reform version of the
+# Jewish calendar.  Otherwise, you get the traditional version
+SET Reform value("Reform", 0)
+
+# Convenient function definition to save typing
+FSET _h(x, y) HEBDATE(x,y)
+FSET _h2(x, y) HEBDATE(x, y, $U-7)
+FSET _PastSat(x, y) IIF(WKDAYNUM(_h2(x,y))!=6, _h2(x,y), _h2(x,y)+1)
+FSET _BackTwoFri(x, y) IIF(WKDAYNUM(_h2(x,y))!=5, _h2(x,y), _h2(x,y)-2)
+FSET _BackTwoSat(x, y) IIF(WKDAYNUM(_h2(x,y))!=6, _h2(x,y), _h2(x,y)-2)
+# Default values in case InIsrael and Reform are not set
+SET InIsrael VALUE("InIsrael", 0)
+SET Reform   VALUE("Reform", 0)
+
+[_h(1,  "Tishrey")] ++4 MSG %"Rosh Hashana 1%" is %b.
+
+# No RH-2 or Tzom Gedalia in Reform
+IF !Reform
+   [_h(2,  "Tishrey")] ++4 MSG %"Rosh Hashana 2%" is %b.
+   [_PastSat(3,  "Tishrey")] ++4 MSG %"Tzom Gedalia%" is %b.
+ENDIF
+
+[_h(10, "Tishrey")] ++4 MSG %"Yom Kippur%" is %b.
+[_h(15, "Tishrey")] ++4 MSG %"Sukkot 1%" is %b.
+
+IF !InIsrael
+   [_h(16, "Tishrey")] MSG %"Sukkot 2%"
+ENDIF
+
+[_h(21, "Tishrey")] ++4 MSG %"Hoshana Rabba%" is %b.
+[_h(22, "Tishrey")] ++4 MSG %"Shemini Atzeret%" is %b.
+
+IF InIsrael
+   [_h(22, "Tishrey")] ++4 MSG %"Simchat Torah%" is %b.
+ELSE
+   [_h(23, "Tishrey")] ++4 MSG %"Simchat Torah%" is %b.
+ENDIF
+
+# Because Kislev can change length, we must be more careful about Chanukah
+FSET _chan(x) HEBDATE(24, "Kislev", $U-9)+x
+[_chan(1)] ++4 MSG %"Chanukah 1%" is %b.
+[_chan(2)] MSG %"Chanukah 2%"
+[_chan(3)] MSG %"Chanukah 3%"
+[_chan(4)] MSG %"Chanukah 4%"
+[_chan(5)] MSG %"Chanukah 5%"
+[_chan(6)] MSG %"Chanukah 6%"
+[_chan(7)] MSG %"Chanukah 7%"
+[_chan(8)] MSG %"Chanukah 8%"
+
+# Not sure about Reform's position on the next one.
+IF !Reform
+# 10 Tevet will never be a Saturday, so whether or not to
+# move it is moot.  (Thanks to Art Werschulz.)
+   [_h(10, "Tevet")] MSG %"Tzom Tevet%" is %b.
+ENDIF
+
+[_h(15, "Shvat")] ++4 MSG %"Tu B'Shvat%" is %b.
+[_h(14, "Adar A")] ++4 MSG %"Purim Katan%" is %b.
+
+# If Purim is on Sunday, then Fast of Esther is 11 Adar.
+IF WKDAYNUM(_h2(13, "Adar")) != 6
+   REM [_h2(13, "Adar")] ++4 MSG %"Fast of Esther%" is %b.
+ELSE
+   REM [_h2(11, "Adar")] ++4 MSG %"Fast of Esther%" is %b.
+ENDIF
+[_h(14, "Adar")] ++4 MSG %"Purim%" is %b.
+[_h(15, "Nisan")] ++4 MSG %"Pesach%" is %b.
+
+IF !InIsrael
+   [_h(16, "Nisan")] MSG %"Pesach 2%"
+ENDIF
+
+[_h(21, "Nisan")] MSG %"Pesach 7%"
+
+IF !InIsrael && !Reform
+   [_h(22, "Nisan")] MSG %"Pesach 8%"
+ENDIF
+
+[_h(27, "Nisan")] ++4 MSG %"Yom HaShoah%" is %b.
+[_BackTwoFri(4,  "Iyar")] ++4 MSG %"Yom HaZikaron%" is %b.
+[_BackTwoSat(5,  "Iyar")] ++4 MSG %"Yom Ha'atzmaut%" is %b.
+
+# Not sure about Reform's position on Lag B'Omer
+IF !Reform
+   [_h(18, "Iyar")] ++4 MSG %"Lag B'Omer%" is %b.
+ENDIF
+
+[_h(28, "Iyar")] ++4 MSG %"Yom Yerushalayim%" is %b.
+[_h(6,  "Sivan")] ++4 MSG %"Shavuot%" is %b.
+
+IF !InIsrael && !Reform
+   [_h(7, "Sivan")] MSG %"Shavuot 2%"
+ENDIF
+
+# Fairly sure Reform Jews don't observe the next two
+IF !Reform
+# Tzom Tamuz and Tish'a B'Av are moved to Sunday if they normally
+# fall on a Saturday
+   [_PastSat(17, "Tamuz")] ++4 MSG %"Tzom Tammuz%" is %b.
+   [_PastSat(9,  "Av")] ++4 MSG %"Tish'a B'Av%" is %b.
+ENDIF