From: Andreas Schwab <schwab@suse.de>
Date: Tue, 14 Apr 1998 10:27:32 +0000 (+0000)
Subject: (Fset_buffer_multibyte): Do nothing if nothing actually
X-Git-Tag: emacs-20.3~1569
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=70e771195598c5729a5fef183130ff3f1f628943;p=emacs.git

(Fset_buffer_multibyte): Do nothing if nothing actually
changes.
---

diff --git a/src/buffer.c b/src/buffer.c
index 69010af7cd0..1733fd5e882 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -1716,6 +1716,10 @@ but the contents viewed as characters do change.")
 {
   Lisp_Object tail, markers;
 
+  /* Do nothing if nothing actually changes.  */
+  if (NILP (flag) == NILP (current_buffer->enable_multibyte_characters))
+    return flag;
+
   /* It would be better to update the list,
      but this is good enough for now.  */
   if (! EQ (current_buffer->undo_list, Qt))