(displayed-month, displayed-year)

(displayed-month, displayed-year)
(original-date): Move declarations where needed.
(islamic-calendar-day-number): Remove unused local variable `day'.
(calendar-goto-islamic-date): Doc fix.
(holiday-islamic): Use unless.
(list-islamic-diary-entries, mark-islamic-diary-entries): Move some
constant variables outside the loop.  Use dolist.
(mark-islamic-calendar-date-pattern): Move definition before use.
Use unless.
(mark-islamic-diary-entries): Doc fix.
(insert-islamic-diary-entry, insert-monthly-islamic-diary-entry)
(insert-yearly-islamic-diary-entry): Use let rather than let*.