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(record_point): Don't call Fundo_boundary for first

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change.  (Bug#731)
This commit is contained in:
Martin Rudalics 2008-09-22 15:40:20 +00:00
parent 9d0a6e4205
commit 3ecc116303
2 changed files with 12 additions and 1 deletions
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5
src/ChangeLog
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@ -1,3 +1,8 @@
2008-09-22 Martin Rudalics <rudalics@gmx.at>
* undo.c (record_point): Don't call Fundo_boundary for first
change. (Bug#731)
2008-09-22 Juanma Barranquero <lekktu@gmail.com>
* emacs.c (Fdaemonp): Doc fix.

8
src/undo.c
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@ -79,7 +79,13 @@ record_point (pt)
if (NILP (pending_boundary))
pending_boundary = Fcons (Qnil, Qnil);
if (current_buffer != last_undo_buffer)
if ((current_buffer != last_undo_buffer)
/* Don't call Fundo_boundary for the first change. Otherwise we
risk overwriting last_boundary_position in Fundo_boundary with
PT of the current buffer and as a consequence not insert an
undo boundary because last_boundary_position will equal pt in
the test at the end of the present function (Bug#731). */
&& (MODIFF > SAVE_MODIFF))
Fundo_boundary ();
last_undo_buffer = current_buffer;