Subject: bug#37020: 27.0.50; (window-body-width) returns the wrong value with display-line-numbers-mode on
From: Stefan Kangas <[email-masked]>
To: Eli Zaretskii <[email-masked]>
Cc: [email-masked],Lukas Fürmetz <[email-masked]>
Date: Fri, 23 Aug 2019 08:54:47 +0200
List-Id: <debbugs-submit.debbugs.gnu.org>

Eli Zaretskii <[email-masked]> writes:

> tags 37020 notabug
> thanks
>
>> From: Lukas Fürmetz <[email-masked]>
>> Date: Tue, 13 Aug 2019 22:11:04 +0200
>>
>> The title says it all. The function `window-body-width' says in it's
>> description, it returns the columns purely of the text window, without
>> any margin, fringes etc. But if you turn on display-line-numbers-mode,
>> it takes up a lot of space in the margin, but `window-body-width' will
>> return the same value as without it.
>
> This is not a bug: the line numbers are part of the text area, and
> thus part of the window's body.  If you need to account for the width
> taken by the line numbers, you can use the line-number-display-width
> function.

In addition to the tag notabug, I'm now also closing this bug report.

Thanks,
Stefan Kangas