Use with-current-buffer, match-string.

Use with-current-buffer, match-string.
(diary-list-entries): Use with-syntax-table and dolist.
Rename from list-diary-entries.
Use number-of-diary-entries if `number' is nil.
(diary, diary-view-entries): Use this new name and new nil arg value.
(number-of-diary-entries): Move from calendar.el.
(diary-unhide-everything): New function.
(include-other-diary-files, fancy-diary-display)
(diary-show-all-entries, make-diary-entry): Use it.
(diary-mail-entries): Use buffer-string.
(mark-diary-entries): Fix long standing paren typo.
(diary-sexp-entry): Use count-lines.
(make-diary-entry): Avoid `previous-line'.
(diary-mode-map): New var.
(diary-mode): Redraw cal after saving.  Setup header-line.
(fancy-diary-display-mode): Use local-set-key.