GNU bug report logs - #70773
30.0.50; display-delayed-warnings does not respect display-buffer-alist

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Message #21 received at control <at> debbugs.gnu.org (full text, mbox):

From: Juri Linkov <juri <at> linkov.net>
To: Gerard Vermeulen <gerard.vermeulen <at> posteo.net>
Cc: 70795 <at> debbugs.gnu.org
Subject: Re: bug#70795: 30.0.50; inconsistent warning-display-at-bottom
 display-buffer-alist behavior
Date: Mon, 06 May 2024 20:00:34 +0300

forcemerge 70773 70795
close 70795 30.0.50
thanks

>> (add-to-list 'display-buffer-alist
>>                `(,(rx (or "*Warnings*" "*compilation*"))
>>                  display-buffer-no-window
>>                  (allow-no-window . t)))
>>
>> then warnings are added to the hidden *Warnings* buffer.
>
> This is because this case doesn't set 'warning-series',
> so when window is nil, it doesn't fail at anoter place
> while calling 'set-window-start':
>
>   (when (and (markerp warning-series)
>              (eq (marker-buffer warning-series) buffer))
>     (set-window-start window warning-series))
>
> Ok, I will add only checks for nil window.
> But won't add (allow-no-window . t) to the caller of
> 'display-buffer' in 'display-warning' to not encourage
> hiding the warning buffer.

So now pushed the extra guards for windows.

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