(mh-quit): mh-show-buffer can be nil.

diff --git a/lisp/mail/mh-e.el b/lisp/mail/mh-e.el
index c6fa468f4f1367da3c19c91fe0f898b30057dc24..0a22155a870c48c493b3dbc259bdc3a916cd4ffe 100644 (file)
--- a/lisp/mail/mh-e.el
+++ b/lisp/mail/mh-e.el
@@ -60,7 +60,7 @@
 ;; Modified by James Larus, BBN, July 1984 and UCB, 1984 & 1985.
 ;; Rewritten for GNU Emacs, James Larus 1985.  larus@ginger.berkeley.edu
 ;; Modified by Stephen Gildea 1988.  gildea@lcs.mit.edu
-(defconst mh-e-RCS-id "$Id: mh-e.el,v 1.17 1997/09/04 20:25:56 rms Exp rms $")
+(defconst mh-e-RCS-id "$Id: mh-e.el,v 1.18 1998/03/08 00:25:49 rms Exp kwzh $")
 
 ;;; Code:
 
@@ -438,8 +438,9 @@ configuration, if one exists.  Finish by running mh-quit-hook."
   (mh-update-sequences)
   (mh-invalidate-show-buffer)
   (quit-window)
-  (if (get-buffer mh-show-buffer)
-      (bury-buffer mh-show-buffer))
+  (and mh-show-buffer
+       (get-buffer mh-show-buffer)
+       (bury-buffer mh-show-buffer))
   (if mh-previous-window-config
       (set-window-configuration mh-previous-window-config))
   (run-hooks 'mh-quit-hook))