Variable: calendar-iso-date-display-form
calendar-iso-date-display-form is a customizable variable defined in
calendar.el.gz.
Value
((format "%s-%.2d-%.2d" year (string-to-number month)
(string-to-number day)))
Documentation
Pseudo-pattern governing the way a date appears in the ISO style.
Normally you should not customize this, but calendar-date-display-form
(which see).
This variable was added, or its default value changed, in Emacs 23.1.
Source Code
;; Defined in /usr/src/emacs/lisp/calendar/calendar.el.gz
;; Next three are provided to aid in setting calendar-date-display-form.
(defcustom calendar-iso-date-display-form '((format "%s-%.2d-%.2d" year
(string-to-number month)
(string-to-number day)))
"Pseudo-pattern governing the way a date appears in the ISO style.
Normally you should not customize this, but `calendar-date-display-form'
\(which see)."
:type 'sexp
:risky t
:version "23.1"
:group 'calendar)