bug#2441: 23.0.90; Typing q in RMAIL buffer swap the buffer

When I type q in RMAIL buffer, and switch the buffer back to
RMAIL, the buffer is swapped; i.e. showing the original
RMAIL file.

---
Kenichi Handa
[email protected]

In GNU Emacs 23.0.90.56 (i686-pc-linux-gnu, GTK+ Version 2.14.4)
 of 2009-02-18 on etlken
Windowing system distributor `The X.Org Foundation', version 11.0.10502000
configured using `configure  'CFLAGS=-g''

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: ja_JP.UTF-8
  value of $XMODIFIERS: @im=SCIM
  locale-coding-system: utf-8-unix
  default-enable-multibyte-characters: t

Major mode: C/l

Minor modes in effect:
  shell-dirtrack-mode: t
  diff-auto-refine-mode: t
  display-time-mode: t
  tooltip-mode: t
  tool-bar-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  global-auto-composition-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  line-number-mode: t
  abbrev-mode: t

Recent input:
d s y s q C-x b R M <tab> <return> C-x b <return> C-x 
b * m <tab> <return> C-a C-p M-f M-f M-f M-f M-f M-f 
M-f C-SPC C-e M-b C-w , SPC <escape> q C-n SPC SPC 
W h e n SPC I SPC t y p e SPC g SPC w h i l e SPC I 
m <backspace> ' m SPC i n SPC R M A I L SPC b u f f 
e r , SPC t h e SPC f i r s t C-a C-p C-p M-f C-a M-f 
M-f M-f M-f M-f M-b M-b M-b M-b M-b M-f SPC I SPC n 
o t i c e SPC t h e r e ' <backspace> SPC a r e SPC 
n e w SPC m e s s <backspace> <backspace> <backspace> 
<backspace> m a i l s , SPC a <backspace> <backspace> 
<backspace> SPC a n d SPC <escape> q C-n C-n C-a C-e 
M-b M-b C-e SPC m e s s a g e SPC i s SPC c o r r e 
c t l y SPC s h o w n . C-p C-p M-f M-f M-f M-f M-f 
M-f M-f C-f C-f C-f T y p i n g SPC p SPC w i l l SPC 
s h <M-backspace> <M-backspace> s h o w s SPC t h e 
SPC f i r s t SPC o f SPC t h e w SPC <backspace> <backspace> 
SPC n e w SPC o n e s . SPC SPC <escape> q C-x b R 
M <tab> <return> p n n n n n g p n n n n p p d d d 
q y C-c C-c y e s <return> M-x M-p M-p <return>

Recent messages:
Wrote /usr/local/handa/RMAIL
Computing summary lines...done
3 new messages read
No following nondeleted message [2 times]
Erase deleted messages from Rmail file? (y or n) 
Expunging deleted messages...done
Computing summary lines...done
Saving file /usr/local/handa/RMAIL...
Wrote /usr/local/handa/RMAIL
Sending...done