GNU bug report logs - #72762
30.0.60; Incorrect rendering of the completion-preview mode

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From: Eli Zaretskii <eliz <at> gnu.org>
To: the_wurfkreuz <the_wurfkreuz <at> proton.me>, Eshel Yaron <me <at> eshelyaron.com>
Cc: 72762 <at> debbugs.gnu.org
Subject: bug#72762: 30.0.60; Incorrect rendering of the completion-preview mode
Date: Thu, 22 Aug 2024 21:05:13 +0300

> Date: Thu, 22 Aug 2024 17:29:30 +0000
> From:  the_wurfkreuz via "Bug reports for GNU Emacs,
>  the Swiss army knife of text editors" <bug-gnu-emacs <at> gnu.org>
> 
> Apparently, the completion-preview-mode rendering doesn't work correctly with minibuffer messages (i don't know what they're called exactly).
> 
> To see the problem, completion-preview-mode should show its completion suggestion simultaneously with any minibuffer messages like "[No Match]" or "[Incomplete Command]" and so on.
> 
> However, the only sane, practical way I found to recreate this situation involves using evil-mode's command minibuffer. The idea is to load Emacs with evil-mode, execute the `evil-ex` command, and then start typing any interactive command while `completion-preview-mode` is active for minibuffers.
> 
> Reproduction:
> - Load emacs with the evil-mode package.
> - Activate evil-mode and completion-preview-mode.
> - Evaluate the hook '(add-hook 'minibuffer-mode-hook #'completion-preview-mode)'.
> - Execute 'evil-ex'.
> - Try to write any long command to trigger the preview completion.

Thanks.

Eshel, can you please look into this?

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