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(elisp)Hebrew/Islamic Entries

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Hebrew- and Islamic-Date Diary Entries
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   Your diary file can have entries based on Hebrew or Islamic dates, as
well as entries based on the world-standard Gregorian calendar.
However, because recognition of such entries is time-consuming and most
people don't use them, you must explicitly enable their use.  If you
want the diary to recognize Hebrew-date diary entries, for example, you
must do this:

     (add-hook 'nongregorian-diary-listing-hook 'list-hebrew-diary-entries)
     (add-hook 'nongregorian-diary-marking-hook 'mark-hebrew-diary-entries)

If you want Islamic-date entries, do this:

     (add-hook 'nongregorian-diary-listing-hook 'list-islamic-diary-entries)
     (add-hook 'nongregorian-diary-marking-hook 'mark-islamic-diary-entries)

   Hebrew- and Islamic-date diary entries have the same formats as
Gregorian-date diary entries, except that `H' precedes a Hebrew date
and `I' precedes an Islamic date.  Moreover, because the Hebrew and
Islamic month names are not uniquely specified by the first three
letters, you may not abbreviate them.  For example, a diary entry for
the Hebrew date Heshvan 25 could look like this:

     HHeshvan 25 Happy Hebrew birthday!

and would appear in the diary for any date that corresponds to Heshvan
25 on the Hebrew calendar.  And here is an Islamic-date diary entry
that matches Dhu al-Qada 25:

     IDhu al-Qada 25 Happy Islamic birthday!

   As with Gregorian-date diary entries, Hebrew- and Islamic-date
entries are nonmarking if they are preceded with an ampersand (`&').

   Here is a table of commands used in the calendar to create diary
entries that match the selected date and other dates that are similar
in the Hebrew or Islamic calendar:

`i h d'
     Add a diary entry for the Hebrew date corresponding to the
     selected date (`insert-hebrew-diary-entry').

`i h m'
     Add a diary entry for the day of the Hebrew month corresponding to
     the selected date (`insert-monthly-hebrew-diary-entry').  This
     diary entry matches any date that has the same Hebrew
     day-within-month as the selected date.

`i h y'
     Add a diary entry for the day of the Hebrew year corresponding to
     the selected date (`insert-yearly-hebrew-diary-entry').  This diary
     entry matches any date which has the same Hebrew month and
     day-within-month as the selected date.

`i i d'
     Add a diary entry for the Islamic date corresponding to the
     selected date (`insert-islamic-diary-entry').

`i i m'
     Add a diary entry for the day of the Islamic month corresponding
     to the selected date (`insert-monthly-islamic-diary-entry').

`i i y'
     Add a diary entry for the day of the Islamic year corresponding to
     the selected date (`insert-yearly-islamic-diary-entry').

   These commands work much like the corresponding commands for ordinary
diary entries: they apply to the date that point is on in the calendar
window, and what they do is insert just the date portion of a diary
entry at the end of your diary file.  You must then insert the rest of
the diary entry.