GNU bug report logs - #27999
26.0.50; delete-other-windows deletes side windows

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Package: emacs; Reported by: Alex <agrambot@HIDDEN>; dated Mon, 7 Aug 2017 05:04:02 UTC; Maintainer for emacs is bug-gnu-emacs@HIDDEN.

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From: Alex <agrambot@HIDDEN>
To: martin rudalics <rudalics@HIDDEN>
Subject: Re: 26.0.50; delete-other-windows deletes side windows
References: <87h8xkezr2.fsf@lylat> <59881D1A.80908@HIDDEN>
Date: Mon, 07 Aug 2017 15:17:54 -0600
In-Reply-To: <59881D1A.80908@HIDDEN> (martin rudalics's message of "Mon, 07
 Aug 2017 09:56:10 +0200")
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martin rudalics <rudalics@HIDDEN> writes:

>> I tested using the following:
>>
>> (display-buffer-in-side-window (get-buffer "*Messages*") '((side .
>> left)))
>>
>> Executing "C-x 1" in Emacs 25.2 doesn't delete the *Messages* buffer,
>> but in master it does.
>
> Please read Eli's complaints in the discussion of bug#24368
>
> https://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D24368
>
> to understand why I made the change.  You now have to explicitly set the
> 'no-delete-other-window' parameter of a side window in order to preserve
> it from being deleted.  This parameter works for any window, BTW.
>
> I forgot to fix the doc-string of =E2=80=98delete-other-windows=E2=80=99 =
accordingly and
> hopefully did that now.  Please have a look.

Thanks, that makes it clearer.

I figure that for side windows, it would be more common to want the
previous behaviour than not. Since if someone wanted to remove all side
windows, one could use 'window-toggle-side-windows' instead, right?

In any case, it would be nice to have a better interface for enabling
(or disabling) this behaviour, rather than using 'set-window-parameter'.

I'd like to suggest an additional (preferably terse) special symbol for
the alist argument of 'display-buffer-in-side-window' that would inhibit
window deletion either by delete-other-windows, delete-window, or both.

The procedure mentions "a =E2=80=98window-parameter=E2=80=99 entry in ALIST=
", but it
doesn't mention the form it should be in. I tried a few obvious forms,
but none were applied. In any case, I believe it's still too
inconvenient to list out the relevant parameters explicitly in this way.

P.S. I believe the =E2=80=98no-delete-other-window=E2=80=99 parameter shoul=
d instead be
=E2=80=98no-delete-other-windows=E2=80=99, to match the plurality of
=E2=80=98delete-other-windows=E2=80=99. I made that mistake when first tryi=
ng to set the
parameter.





Information forwarded to bug-gnu-emacs@HIDDEN:
bug#27999; Package emacs. Full text available.

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Date: Mon, 07 Aug 2017 09:56:10 +0200
From: martin rudalics <rudalics@HIDDEN>
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To: Alex <agrambot@HIDDEN>, bug-gnu-emacs@HIDDEN
Subject: Re: 26.0.50; delete-other-windows deletes side windows
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 > I believe this is due to commit b8fd71d57 (C-x 1 works fine when
 > checking out its parent commit).

Right.

 > I tested using the following:
 >
 > (display-buffer-in-side-window (get-buffer "*Messages*") '((side .
 > left)))
 >
 > Executing "C-x 1" in Emacs 25.2 doesn't delete the *Messages* buffer,
 > but in master it does.

Please read Eli's complaints in the discussion of bug#24368

https://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D24368

to understand why I made the change.  You now have to explicitly set the
'no-delete-other-window' parameter of a side window in order to preserve
it from being deleted.  This parameter works for any window, BTW.

I forgot to fix the doc-string of =E2=80=98delete-other-windows=E2=80=99 =
accordingly and
hopefully did that now.  Please have a look.

Thanks, martin





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bug#27999; Package emacs. Full text available.

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From: Alex <agrambot@HIDDEN>
To: bug-gnu-emacs@HIDDEN
Subject: 26.0.50; delete-other-windows deletes side windows
Date: Sun, 06 Aug 2017 23:02:57 -0600
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I believe this is due to commit b8fd71d57 (C-x 1 works fine when
checking out its parent commit).

I tested using the following:

(display-buffer-in-side-window (get-buffer "*Messages*") '((side .
left)))

Executing "C-x 1" in Emacs 25.2 doesn't delete the *Messages* buffer,
but in master it does.




Acknowledgement sent to Alex <agrambot@HIDDEN>:
New bug report received and forwarded. Copy sent to bug-gnu-emacs@HIDDEN. Full text available.
Report forwarded to bug-gnu-emacs@HIDDEN:
bug#27999; Package emacs. Full text available.
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