Function: calendar-date-is-visible-p
calendar-date-is-visible-p is a byte-compiled function defined in
calendar.el.gz.
Signature
(calendar-date-is-visible-p DATE)
Documentation
Return non-nil if DATE is valid and is visible in the calendar window.
Source Code
;; Defined in /usr/src/emacs/lisp/calendar/calendar.el.gz
(defun calendar-date-is-visible-p (date)
"Return non-nil if DATE is valid and is visible in the calendar window."
(and (calendar-date-is-valid-p date)
(< (abs (calendar-interval
displayed-month displayed-year
(calendar-extract-month date) (calendar-extract-year date)))
2)))