GNU bug report logs - #75691
31.0.50; tab-line mode adds extra space during in-buffer completion

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From: Juri Linkov <juri <at> linkov.net>
To: Daniel Mendler <mail <at> daniel-mendler.de>
Cc: Arash Esbati <arash <at> gnu.org>, 75691 <at> debbugs.gnu.org
Subject: bug#75691: 31.0.50; tab-line mode adds extra space during in-buffer completion
Date: Mon, 20 Jan 2025 20:32:05 +0200

>>> it seems that some recent changes in tab-line mode produce additional
>>> vertical space during in-buffer completion.  To reproduce, start with
>>> "emacs -Q" and then eval:
>>>
>>> (progn
>>>   (package-initialize t)
>>>   (package-activate 'corfu)
>>>   (global-corfu-mode)
>>>   (setq tab-always-indent 'complete))
>>>
>>> Note the extra line between the text and the candidates.  I haven't
>>> bisect this, but this behavior is new.
>>
>> Thanks for the report.
>>
>> Daniel, in corfu.el there is no need anymore to use
>> `(window-tab-line-height)` because recently `window-edges`
>> was fixed in lisp/window.el by the commit ec20ebf2413.
>>
>> The package exwm was updated in
>> https://github.com/emacs-exwm/exwm/commit/9cdfe95066a63666e211d54f898eed980b043f3a
>> https://github.com/emacs-exwm/exwm/commit/10bd61dbcf69110b2b029ac677c38bd076376d21
>> to use `window-tab-line-height` only conditionally on
>>
>>   (when (< emacs-major-version 31))
>>
>> For Corfu this would mean something like
>
> Thanks, fixed.

Not sure why (< emacs-major-version 30) since it was fixed only in Emacs 31.

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