From: Gerd Moellmann <gerd@gnu.org>
Date: Tue, 2 May 2000 10:39:45 +0000 (+0000)
Subject: *** empty log message ***
X-Git-Tag: emacs-pretest-21.0.90~4086
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=3e8b2a018fb8850195f2989f431092402b9a7ffc;p=emacs.git

*** empty log message ***
---

diff --git a/lispref/display.texi b/lispref/display.texi
index 03b8188588f..4fa586136c7 100644
--- a/lispref/display.texi
+++ b/lispref/display.texi
@@ -2703,6 +2703,10 @@ This removes only images that were put into @var{buffer} the way
 display them again more efficiently.  It removes an image from the cache
 when it hasn't been displayed for a specified period of time.
 
+When an image is looked up in the cache, its specification is compared
+with cached image specifications using @code{equal}.  This means that
+all images with equal specifications share the same image in the cache.
+
 @defvar image-cache-eviction-delay
 @tindex image-cache-eviction-delay
 This variable specifies the number of seconds an image can remain in the