(defun image-mode-window-put (prop val &optional winprops)
(unless (consp winprops) (setq winprops (image-mode-winprops winprops)))
+ (unless (eq t (car winprops))
+ (image-mode-window-put prop val t))
(setcdr winprops (cons (cons prop val)
(delq (assq prop (cdr winprops)) (cdr winprops)))))