* etc/NEWS: In terminal-oriented subshells, the EMACS environment

[bpt/emacs.git] / src / undo.c

diff --git a/src/undo.c b/src/undo.c
index ecbb714..3313c8e 100644 (file)
--- a/src/undo.c
+++ b/src/undo.c
@@ -1,6 +1,6 @@
 /* undo handling for GNU Emacs.
    Copyright (C) 1990, 1993, 1994, 2000, 2002, 2003, 2004,
-                 2005 Free Software Foundation, Inc.
+                 2005, 2006 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
@@ -24,6 +24,7 @@ Boston, MA 02110-1301, USA.  */
 #include "lisp.h"
 #include "buffer.h"
 #include "commands.h"
+#include "window.h"
 
 /* Limits controlling how much undo information to keep.  */
 
@@ -100,12 +101,19 @@ record_point (pt)
   /* If we are just after an undo boundary, and
      point wasn't at start of deleted range, record where it was.  */
   if (at_boundary
-      && last_point_position != pt
-      /* If we're called from batch mode, this could be nil.  */
       && BUFFERP (last_point_position_buffer)
+      /* If we're called from batch mode, this could be nil.  */
       && current_buffer == XBUFFER (last_point_position_buffer))
-    current_buffer->undo_list
-      = Fcons (make_number (last_point_position), current_buffer->undo_list);
+    {
+      /* If we have switched windows, use the point value
+        from the window we are in.  */
+      if (! EQ (last_point_position_window, selected_window))
+       last_point_position = marker_position (XWINDOW (selected_window)->pointm);
+
+      if (last_point_position != pt)
+       current_buffer->undo_list
+         = Fcons (make_number (last_point_position), current_buffer->undo_list);
+    }
 }
 
 /* Record an insertion that just happened or is about to happen,