From 0c77bcb3935e5dd82baeb2cd5fecbb45879d11b0 Mon Sep 17 00:00:00 2001
From: Mark Oteiza <mvoteiza@udel.edu>
Date: Wed, 14 Dec 2016 16:36:31 -0500
Subject: [PATCH] * lisp/image-mode.el (image-mode-winprops-alist): Add
 docstring.

---
 lisp/image-mode.el | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lisp/image-mode.el b/lisp/image-mode.el
index f52668536ca..ce56208c6df 100644
--- a/lisp/image-mode.el
+++ b/lisp/image-mode.el
@@ -43,7 +43,10 @@
 
 ;;; Image mode window-info management.
 
-(defvar-local image-mode-winprops-alist t)
+(defvar-local image-mode-winprops-alist t
+  "Alist of windows to window properties.
+Each element has the form (WINDOW . ALIST).
+See `image-mode-winprops'.")
 
 (defvar image-mode-new-window-functions nil
   "Special hook run when image data is requested in a new window.
-- 
2.39.2