Function: ediff-window-visible-p
ediff-window-visible-p is a byte-compiled function defined in
ediff-init.el.gz.
Signature
(ediff-window-visible-p WIND)
Source Code
;; Defined in /usr/src/emacs/lisp/vc/ediff-init.el.gz
(defsubst ediff-window-visible-p (wind)
;; under TTY, window-live-p also means window is visible
(and (window-live-p wind)
(or (not (ediff-window-display-p))
(frame-visible-p (window-frame wind)))))