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Small simplifications for some cal-hebrew calculations.
* lisp/calendar/cal-hebrew.el (holiday-hebrew-rosh-hashanah) (holiday-hebrew-passover, holiday-hebrew-tisha-b-av) (holiday-hebrew-misc): Small simplifications.
This commit is contained in:
Glenn Morris
parent
870b199e02
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85d50db7e4
@ -1,5 +1,9 @@
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2010-10-09 Glenn Morris <rgm@gnu.org>
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* calendar/cal-hebrew.el (holiday-hebrew-rosh-hashanah)
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(holiday-hebrew-passover, holiday-hebrew-tisha-b-av)
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(holiday-hebrew-misc): Small simplifications.
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* emacs-lisp/authors.el (authors-valid-file-names): Add b2m.c.
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* net/browse-url.el: Don't require thingatpt, term, dired,
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@ -376,7 +376,7 @@ or ALL is non-nil."
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(list (calendar-gregorian-from-absolute (1+ abs-r-h))
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"Rosh HaShanah (second day)")
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(list (calendar-gregorian-from-absolute
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(if (= (% abs-r-h 7) 4) (+ abs-r-h 3) (+ abs-r-h 2)))
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(+ abs-r-h (if (= (% abs-r-h 7) 4) 3 2)))
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"Tzom Gedaliah")
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(list (calendar-gregorian-from-absolute
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(calendar-dayname-on-or-before 6 (+ 7 abs-r-h)))
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@ -454,70 +454,71 @@ or ALL is non-nil."
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(list (calendar-gregorian-from-absolute (+ abs-p 50))
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"Shavuot"))
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(when (or all calendar-hebrew-all-holidays-flag)
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(list
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(list (calendar-gregorian-from-absolute
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(calendar-dayname-on-or-before 6 (- abs-p 43)))
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"Shabbat Shekalim")
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(list (calendar-gregorian-from-absolute
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(calendar-dayname-on-or-before 6 (- abs-p 30)))
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"Shabbat Zachor")
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(list (calendar-gregorian-from-absolute
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(if (= (% abs-p 7) 2) (- abs-p 33) (- abs-p 31)))
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"Fast of Esther")
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(list (calendar-gregorian-from-absolute (- abs-p 31))
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"Erev Purim")
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(list (calendar-gregorian-from-absolute (- abs-p 30))
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"Purim")
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(list (calendar-gregorian-from-absolute
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(if (zerop (% abs-p 7)) (- abs-p 28) (- abs-p 29)))
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"Shushan Purim")
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(list (calendar-gregorian-from-absolute
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(- (calendar-dayname-on-or-before 6 (- abs-p 14)) 7))
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"Shabbat Parah")
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(list (calendar-gregorian-from-absolute
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(calendar-dayname-on-or-before 6 (- abs-p 14)))
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"Shabbat HaHodesh")
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(list (calendar-gregorian-from-absolute
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(calendar-dayname-on-or-before 6 (1- abs-p)))
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"Shabbat HaGadol")
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(list (calendar-gregorian-from-absolute (1- abs-p))
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"Erev Passover")
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(list (calendar-gregorian-from-absolute (1+ abs-p))
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"Passover (second day)")
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(list (calendar-gregorian-from-absolute (+ abs-p 2))
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"Hol Hamoed Passover (first day)")
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(list (calendar-gregorian-from-absolute (+ abs-p 3))
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"Hol Hamoed Passover (second day)")
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(list (calendar-gregorian-from-absolute (+ abs-p 4))
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"Hol Hamoed Passover (third day)")
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(list (calendar-gregorian-from-absolute (+ abs-p 5))
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"Hol Hamoed Passover (fourth day)")
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(list (calendar-gregorian-from-absolute (+ abs-p 6))
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"Passover (seventh day)")
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(list (calendar-gregorian-from-absolute (+ abs-p 7))
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"Passover (eighth day)")
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(list (calendar-gregorian-from-absolute
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(if (zerop (% (+ abs-p 12) 7))
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(+ abs-p 13)
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(+ abs-p 12)))
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"Yom HaShoah")
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(list (calendar-gregorian-from-absolute
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(if (zerop (% abs-p 7))
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(+ abs-p 18)
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(if (= (% abs-p 7) 6)
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(+ abs-p 19)
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(if (= (% abs-p 7) 2)
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(+ abs-p 21)
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(+ abs-p 20)))))
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"Yom HaAtzma'ut")
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(list (calendar-gregorian-from-absolute (+ abs-p 33))
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"Lag BaOmer")
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(list (calendar-gregorian-from-absolute (+ abs-p 43))
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"Yom Yerushalaim")
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(list (calendar-gregorian-from-absolute (+ abs-p 49))
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"Erev Shavuot")
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(list (calendar-gregorian-from-absolute (+ abs-p 51))
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"Shavuot (second day)"))))))))
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(let ((wday (% abs-p 7)))
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(list
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(list (calendar-gregorian-from-absolute
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(calendar-dayname-on-or-before 6 (- abs-p 43)))
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"Shabbat Shekalim")
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(list (calendar-gregorian-from-absolute
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(calendar-dayname-on-or-before 6 (- abs-p 30)))
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"Shabbat Zachor")
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(list (calendar-gregorian-from-absolute
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(- abs-p (if (= wday 2) 33 31)))
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"Fast of Esther")
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(list (calendar-gregorian-from-absolute (- abs-p 31))
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"Erev Purim")
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(list (calendar-gregorian-from-absolute (- abs-p 30))
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"Purim")
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(list (calendar-gregorian-from-absolute
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(- abs-p (if (zerop wday) 28 29)))
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"Shushan Purim")
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(list (calendar-gregorian-from-absolute
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(- (calendar-dayname-on-or-before 6 (- abs-p 14)) 7))
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"Shabbat Parah")
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(list (calendar-gregorian-from-absolute
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(calendar-dayname-on-or-before 6 (- abs-p 14)))
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"Shabbat HaHodesh")
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(list (calendar-gregorian-from-absolute
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(calendar-dayname-on-or-before 6 (1- abs-p)))
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"Shabbat HaGadol")
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(list (calendar-gregorian-from-absolute (1- abs-p))
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"Erev Passover")
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(list (calendar-gregorian-from-absolute (1+ abs-p))
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"Passover (second day)")
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(list (calendar-gregorian-from-absolute (+ abs-p 2))
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"Hol Hamoed Passover (first day)")
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(list (calendar-gregorian-from-absolute (+ abs-p 3))
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"Hol Hamoed Passover (second day)")
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(list (calendar-gregorian-from-absolute (+ abs-p 4))
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"Hol Hamoed Passover (third day)")
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(list (calendar-gregorian-from-absolute (+ abs-p 5))
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"Hol Hamoed Passover (fourth day)")
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(list (calendar-gregorian-from-absolute (+ abs-p 6))
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"Passover (seventh day)")
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(list (calendar-gregorian-from-absolute (+ abs-p 7))
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"Passover (eighth day)")
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(list (calendar-gregorian-from-absolute
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(+ abs-p (if (zerop (% (+ abs-p 12) 7))
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13
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12)))
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"Yom HaShoah")
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(list (calendar-gregorian-from-absolute
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(+ abs-p
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;; If falls on Sat or Fri, moves to preceding Thurs.
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;; If falls on Mon, moves to Tues (since 2004).
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(cond ((zerop wday) 18) ; Sat
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((= wday 6) 19) ; Fri
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((= wday 2) 21) ; Mon
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(t 20))))
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"Yom HaAtzma'ut")
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(list (calendar-gregorian-from-absolute (+ abs-p 33))
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"Lag BaOmer")
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(list (calendar-gregorian-from-absolute (+ abs-p 43))
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"Yom Yerushalaim")
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(list (calendar-gregorian-from-absolute (+ abs-p 49))
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"Erev Shavuot")
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(list (calendar-gregorian-from-absolute (+ abs-p 51))
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"Shavuot (second day)")))))))))
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;;;###holiday-autoload
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(define-obsolete-function-alias 'holiday-passover-etc
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@ -527,18 +528,19 @@ or ALL is non-nil."
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(defun holiday-hebrew-tisha-b-av ()
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"List of dates around Tisha B'Av, as visible in calendar window."
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(when (memq displayed-month '(5 6 7 8 9))
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(let ((abs-t-a (calendar-hebrew-to-absolute
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(list 5 9 (+ displayed-year 3760)))))
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(let* ((abs-t-a (calendar-hebrew-to-absolute
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(list 5 9 (+ displayed-year 3760))))
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(wday (% abs-t-a 7)))
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(holiday-filter-visible-calendar
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(list
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(list (calendar-gregorian-from-absolute
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(if (= (% abs-t-a 7) 6) (- abs-t-a 20) (- abs-t-a 21)))
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(- abs-t-a (if (= wday 6) 20 21)))
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"Tzom Tammuz")
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(list (calendar-gregorian-from-absolute
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(calendar-dayname-on-or-before 6 abs-t-a))
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"Shabbat Hazon")
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(list (calendar-gregorian-from-absolute
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(if (= (% abs-t-a 7) 6) (1+ abs-t-a) abs-t-a))
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(if (= wday 6) (1+ abs-t-a) abs-t-a))
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"Tisha B'Av")
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(list (calendar-gregorian-from-absolute
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(calendar-dayname-on-or-before 6 (+ abs-t-a 7)))
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@ -557,7 +559,7 @@ Includes: Tal Umatar, Tzom Teveth, Tu B'Shevat, Shabbat Shirah, and
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Kiddush HaHamah."
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(let ((m displayed-month)
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(y displayed-year)
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year h-year s-s)
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year h-year)
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(append
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(holiday-julian
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11
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@ -591,20 +593,17 @@ Kiddush HaHamah."
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(calendar-extract-year
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(calendar-hebrew-from-absolute
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(calendar-absolute-from-gregorian
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(list m (calendar-last-day-of-month m y) y)))))
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s-s
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(calendar-hebrew-from-absolute
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(if (= 6
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(% (calendar-hebrew-to-absolute
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(list 7 1 h-year))
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7))
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(calendar-dayname-on-or-before
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6 (calendar-hebrew-to-absolute
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(list 11 17 h-year)))
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(calendar-dayname-on-or-before
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6 (calendar-hebrew-to-absolute
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(list 11 16 h-year))))))
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(calendar-extract-day s-s))
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(list m (calendar-last-day-of-month m y) y))))))
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(calendar-extract-day
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(calendar-hebrew-from-absolute
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(calendar-dayname-on-or-before
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6 (calendar-hebrew-to-absolute
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(list 11
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(if (= 6
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(% (calendar-hebrew-to-absolute
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(list 7 1 h-year))
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7))
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17 16) h-year))))))
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"Shabbat Shirah")
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(and (progn
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(setq m displayed-month
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@ -1162,5 +1161,4 @@ use when highlighting the day in the calendar."
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(provide 'cal-hebrew)
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;; arch-tag: aaab6718-7712-42ac-a32d-28fe1f944f3c
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;;; cal-hebrew.el ends here
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