Variable: calendar-holiday-marker
calendar-holiday-marker is a customizable variable defined in
calendar.el.gz.
Value
holiday
Documentation
How to mark notable dates in the calendar.
The value can be either a single-character string (e.g. "*") or a face.
This variable was added, or its default value changed, in Emacs 23.1.
Probably introduced at or before Emacs version 19.23.
Source Code
;; Defined in /usr/src/emacs/lisp/calendar/calendar.el.gz
(defcustom calendar-holiday-marker 'holiday
"How to mark notable dates in the calendar.
The value can be either a single-character string (e.g. \"*\") or a face."
:type '(choice (string :tag "Single character string") face)
:group 'holidays
:version "23.1")