From: Richard M. Stallman <rms@gnu.org>
Date: Thu, 2 Dec 2004 23:37:13 +0000 (+0000)
Subject: (insert_from_string_before_markers)
X-Git-Tag: ttn-vms-21-2-B4~3464
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=d8bf42567e956447313be88c742e7330e12192f0;p=emacs.git

(insert_from_string_before_markers)
(insert_from_string): Don't modify buffer on empty insertion.
---

diff --git a/src/insdel.c b/src/insdel.c
index f5f56f0371f..7f10c2f523d 100644
--- a/src/insdel.c
+++ b/src/insdel.c
@@ -1057,6 +1057,10 @@ insert_from_string (string, pos, pos_byte, length, length_byte, inherit)
      int inherit;
 {
   int opoint = PT;
+
+  if (SCHARS (string) == 0)
+    return;
+
   insert_from_string_1 (string, pos, pos_byte, length, length_byte,
 			inherit, 0);
   signal_after_change (opoint, 0, PT - opoint);
@@ -1074,6 +1078,10 @@ insert_from_string_before_markers (string, pos, pos_byte,
      int inherit;
 {
   int opoint = PT;
+
+  if (SCHARS (string) == 0)
+    return;
+
   insert_from_string_1 (string, pos, pos_byte, length, length_byte,
 			inherit, 1);
   signal_after_change (opoint, 0, PT - opoint);