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bug#20206: 25.0.50; [PATCH] keep diff-mode's window visible when we visi

From: martin rudalics
Subject: bug#20206: 25.0.50; [PATCH] keep diff-mode's window visible when we visit sources from diff-mode
Date: Sun, 29 Mar 2015 20:01:01 +0200

>>   > +  (pop-to-buffer (current-buffer) '(display-buffer-use-some-window 
(inhibit-same-window . t)))
>> In any case `display-buffer-use-some-window' as sole action doesn't look
>> right.  It should be preceded by `display-buffer-reuse-window' and
>> `display-buffer-pop-up-window'.
> To be clear, this action came from two desires:
> 1. The (inhibit-same-window . t) is there to get the
> dont-cover-up-control-buffer behavior


> 2. The display-buffer-pop-up-window action is there to handle bug 19901.
> There the user already has two windows, and by default a third is
> created. It's less obvious to me which is the "right" behavior here, but
> the earlier behavior of reusing the window seems reasonable.

Agreed.  But if you have a two windows frame and your settings for
popping up a third window would normally allow that, your solution would
nevertheless try to use another window in that case.  Wouldn't it be
sufficient to just use '((inhibit-same-window . t))?


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