GNU bug report logs - #70795
30.0.50; inconsistent warning-display-at-bottom display-buffer-alist behavior

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Message #8 received at 70795 <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 09:46:57 +0300

> (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.

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