GNU bug report logs - #59311
29.0.50; tab-bar global-mode-string affected by global-display-line-numbers

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Juanma Barranquero <lekktu <at> gmail.com>
Cc: 59311 <at> debbugs.gnu.org, gabriel376 <at> hotmail.com, juri <at> linkov.net
Subject: bug#59311: 29.0.50; tab-bar global-mode-string affected by global-display-line-numbers
Date: Fri, 18 Nov 2022 13:48:31 +0200

> From: Juanma Barranquero <lekktu <at> gmail.com>
> Date: Fri, 18 Nov 2022 10:46:33 +0100
> Cc: Juri Linkov <juri <at> linkov.net>, 59311 <at> debbugs.gnu.org, gabriel376 <at> hotmail.com
> 
> On Fri, Nov 18, 2022 at 9:43 AM Eli Zaretskii <eliz <at> gnu.org> wrote:
> 
> > That's a possibility, but you may find that some Lisp code somewhere
> > assumes line-numbers are ON in a temporary buffer, e.g. because it
> > wants to measure something that is directly related to line-numbers.
> 
> That's kind of unlikely, and if it happens, using your own reasoning that Lisp code should set line-numbers
> explicitly.

Unlikely or not, string-pixel-with is a function that must not fail
this way.  It must be rock-solid, even if the unthinkable happens.

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