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bug#8147: 24.0.50; Inserting *Help* buffer can lead to data loss


From: Chong Yidong
Subject: bug#8147: 24.0.50; Inserting *Help* buffer can lead to data loss
Date: Sat, 05 Mar 2011 16:10:20 -0500
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux)

Stefan Monnier <address@hidden> writes:

>> I reported this problem to emacs-devel in May 2008 (see
>> http://thread.gmane.org/gmane.emacs.devel/97367/) and there were a few
>> ideas about how to deal with it, but none were pursued.  I just got bit
>> by it again -- more fool me, perhaps, but it gives me the opportunity to
>> put it in the bug tracker.  And I offer a fix to the immediate problem
>
> Maybe another approach is for those buttons to check that the current
> buffer is (derived-mode-p 'help-mode) before reusing it.

I've committed just such a change.





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