Doc fix. Add optional argument. Simplify.
(holiday-tisha-b-av-etc): Use memq rather than unless.
(holiday-julian): Autoload it.
(holiday-hebrew-misc): New function.
(appt-display-message): Move beep before display.
(appt-check): Make interactive. Reduce the number of lets.
Use string-equal to compare mode-line strings.
(appt-disp-window): Pluralize "minute" as needed. Make appt buffer read-only.
(appt-select-lowest-window, appt-make-list): Reduce the number of lets.
(appt-delete): Simplify.
(mark-visible-calendar-date): Check for font-lock-mode before using faces.
(hebrew-holidays-3, generate-calendar-month)
(calendar-gregorian-from-absolute): Reduce the number of lets.
(hebrew-holidays-4, generate-calendar-window): Simplify.
(calendar-for-loop): Make obsolete.
(calendar-nth-named-day): Doc fix.
(calendar-holiday-list, holiday-easter-etc): Simplify by using mapcar.
(calendar-list-holidays): Return holiday-list.
(list-holidays): Use let rather than let*. Remove un-needed locals
`d', `never'.
(calendar-check-holidays): Return result from dolist.
(holiday-float): Use a single let*. Simplify if-and to and.
(holiday-sexp, holiday-advent, holiday-greek-orthodox-easter): Use a
single let*.
(mark-visible-calendar-date): Also use overlay for mark characters.
(calendar-unmark): Unmark by removing all overlays, rather than redrawing.
(calendar-starred-day): Remove.
(calendar-mode): Disable undo. Don't make calendar-starred-day local.
(calendar-cursor-to-date): No need for special star handling now using overlays.
(calendar-star-date): Use overlays.
(calendar-hebrew-date-is-visible-p): Extract some common code into
separate function.
(holiday-hebrew, mark-hebrew-calendar-date-pattern): Use it.
(calendar-hebrew-from-absolute, holiday-hanukkah)
(mark-hebrew-calendar-date-pattern): Reduce nesting of some lets.
(insert-hebrew-diary-entry, insert-monthly-hebrew-diary-entry)
(insert-yearly-hebrew-diary-entry): Use diary-insert-entry-1.
(diary-make-date): Autoload it.
(diary-yahrzeit): Doc fix. Use diary-make-date.
icalendar--datetime-to-noneuropean-date. Make old name obsolete alias.
(icalendar--datetime-to-iso-date): New function.
(icalendar--datetime-to-diary-date): Doc fix. Respect
calendar-date-style if bound.
