From 135f293b2a0bf4fac7afd802618ccc5c84f2c5d9 Mon Sep 17 00:00:00 2001
From: "Richard M. Stallman" <rms@gnu.org>
Date: Mon, 6 Jan 2003 01:21:15 +0000
Subject: [PATCH] (isearch-repeat): Error if try to repeat search and there was
 no previou search.

---
 lisp/isearch.el | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lisp/isearch.el b/lisp/isearch.el
index b8103285aec..5b9fe461068 100644
--- a/lisp/isearch.el
+++ b/lisp/isearch.el
@@ -978,7 +978,7 @@ Use `isearch-exit' to quit without signaling."
 		(or (if isearch-regexp
 			(car regexp-search-ring)
 		      (car search-ring))
-		    "")
+		    (error "No previous search string"))
 		isearch-message
 		(mapconcat 'isearch-text-char-description
 			   isearch-string "")
-- 
2.11.4.GIT