Variable: appt-delete-window-function
appt-delete-window-function is a customizable variable defined in
appt.el.gz.
Value
appt-delete-window
Documentation
Function called to remove appointment window and buffer.
Only relevant if reminders are being displayed in a window.
Probably introduced at or before Emacs version 19.23.
Source Code
;; Defined in /usr/src/emacs/lisp/calendar/appt.el.gz
(defcustom appt-delete-window-function #'appt-delete-window
"Function called to remove appointment window and buffer.
Only relevant if reminders are being displayed in a window."
:type 'function
:group 'appt)