From 637df16f38d9ebe4e6032378828d9c49248d1dbb Mon Sep 17 00:00:00 2001
From: "Richard M. Stallman" <rms@gnu.org>
Date: Sat, 21 Oct 1995 23:14:59 +0000
Subject: [PATCH] (struct buffer): New slot redisplay_end_trigger. Also extra1,
 extra2, extra3.

---
 src/buffer.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/buffer.h b/src/buffer.h
index 66f10e80a74..9f9eb7043ca 100644
--- a/src/buffer.h
+++ b/src/buffer.h
@@ -402,6 +402,14 @@ struct buffer
        A list => `invisible' property means invisible
                  if it is memq in that list.  */
     Lisp_Object invisibility_spec;
+
+    /* If redisplay goes beyond this point in the buffer,
+       run redisplay-end-trigger-hook.  */
+    Lisp_Object redisplay_end_trigger;
+
+    /* These are so we don't have to recompile everything
+       the next few times we add a new slot.  */
+    Lisp_Object extra1, extra2, extra3;
   };
 
 /* This points to the current buffer.  */
-- 
2.39.2