GNU bug report logs - #71386
29.1; Frame is auto-deleted even when it has multiple tabs

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From: Juri Linkov <juri <at> linkov.net>
To: martin rudalics <rudalics <at> gmx.at>
Cc: Eli Zaretskii <eliz <at> gnu.org>, abdo.haji.ali <at> gmail.com, 71386 <at> debbugs.gnu.org
Subject: bug#71386: 29.1; Frame is auto-deleted even when it has multiple tabs
Date: Tue, 11 Jun 2024 09:58:19 +0300

>> But I don't understand the logic of using the KILL argument
>> in 'window--delete':
>>
>> 	   (kill
>> 	    (delete-frame frame))
>>
>> Maybe Martin could explain.
>
> KILL non-nil here comes from the prefix argument of 'quit-window' which,
> if provided, 'quit-window' passes as 'kill' via BURY-OR-KILL to
> 'quit-restore-window' which then passes t via the KILL argument to
> 'window--delete'.  'window--delete' itself does not deal with buffers,
> it handles windows only.
>
> 'quit-restore-window' calls 'kill-buffer' later when BURY-OR-KILL equals
> 'kill'.  At that time, the window should already have been taken care of
> - either by deletion or by showing another buffer.  The return value of
> 'window--delete' is used to make the last conjuncts in the first 'cond'
> of 'quit-restore-window' succeed or fail (in the latter case the next
> clause will be probed).
>
> The idea of deleting the frame comes from the fact that a killed buffer
> cannot be re-shown in that frame's sole window.  'quit-restore-window'
> calls 'window--delete' in this case iff that window has no previous
> other buffer to show instead, so deleting the window (and possibly its
> frame) is the obvious choice rather than showing some unrelated buffer
> in it.

So it makes no sense to send the value of the KILL arg to tab-bar code?
Because there is nothing to decide based on its value?

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