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bug#17688: 24.3.90; segmentation fault in deselect_palette

From: Ken Brown
Subject: bug#17688: 24.3.90; segmentation fault in deselect_palette
Date: Thu, 05 Jun 2014 13:57:22 -0400
User-agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0

On 6/5/2014 1:25 PM, Eli Zaretskii wrote:
From: Zdzislaw Meglicki <address@hidden>
Cc: address@hidden, address@hidden
Date: Thu, 05 Jun 2014 11:58:00 -0400

Incidentally, rmail, there's another bug there, that showed up only in
the latest version of emacs, the one I got from you, When I
am in the rmail-summary and try to get out of it by typing "q", I get a
message that the pointer does not point to the right window. Something
gets screwed up there.  It worked in the earlier versions.

My crystal ball says this is bug #16433.  If so, it should be fixed in
the next pretest.  For now, set cache-long-scans to nil in the Rmail
buffer, to work around.

I thought it might be bug #17283.  If so, the following patch should fix it:

=== modified file 'lisp/mail/rmail.el'
--- lisp/mail/rmail.el  2014-02-13 18:23:36 +0000
+++ lisp/mail/rmail.el  2014-04-29 15:51:49 +0000
@@ -1573,7 +1572,7 @@
   (when (boundp 'rmail-quit-hook)
     (run-hooks 'rmail-quit-hook))
   ;; Don't switch to the summary buffer even if it was recently visible.
-  (when rmail-summary-buffer
+  (when (rmail-summary-exists)
     (with-current-buffer rmail-summary-buffer
       (set-buffer-modified-p nil))
     (replace-buffer-in-windows rmail-summary-buffer)


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