From f57f7b7a19ce068541466c396e76f8c5b6550ebf Mon Sep 17 00:00:00 2001
From: Martijn Dekker <martijn@inlv.org>
Date: Sat, 20 Feb 2021 22:12:23 +0000
Subject: [PATCH] emacs: more correct fix (re: 9ccb9572)

sptr is set to drawbuff, but may change; drawbuff itself will not
change and reading before the start of that was the actual cause of
the crash.
---
 src/cmd/ksh93/edit/emacs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/cmd/ksh93/edit/emacs.c b/src/cmd/ksh93/edit/emacs.c
index 6ca2aa963..195259835 100644
--- a/src/cmd/ksh93/edit/emacs.c
+++ b/src/cmd/ksh93/edit/emacs.c
@@ -1445,7 +1445,7 @@ static void draw(register Emacs_t *ep,Draw_t option)
 	*****************************************/
 	
 
-	if(logcursor > sptr)
+	if(logcursor > drawbuff)
 		i = *(logcursor-1);	/* last character inserted */
 	else
 		i = 0;