GNU bug report logs - #77644
30.1; Wrap text does not work when window is right-splitted more than once

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Message #8 received at 77644 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Rittwik Chatterjee <rittwik <at> gmail.com>
Cc: 77644 <at> debbugs.gnu.org
Subject: Re: bug#77644: 30.1;
 Wrap text does not work when window is right-splitted more than once
Date: Tue, 08 Apr 2025 17:22:42 +0300

tags 77644 notabug
thanks

> From: Rittwik Chatterjee <rittwik <at> gmail.com>
> Date: Tue, 8 Apr 2025 19:15:39 +0530
> 
> 1. emacs -Q
> 2. M-x split-window-right
>    This will split the window and you can see that Emacs properly wraps
>    the text of the scratch buffer.
> 3. M-x split-window-right
>    This will split the window again. Now you have three windows. The
>    extreme right window is bigger compared to the other two windows.
>    In the bigger window you can still see that Emacs wraps the text. But
>    in the smaller windows Emacs stops wrapping the text.
>    Please see the attached image.
> 4. It seems this stop wrapping text has nothing to do with the window
>    dimension. As after right-splitting the window for the first time, if
>    I reduce the window dimension by reducing the frame dimension manually,
>    Emacs still splits the text properly. It only happens if I right-split the window again.

This is a feature: Emacs automatically switches to line-truncation in
any partial-width window whose width is smaller than the value of the
user option truncate-partial-width-windows.  The default value is 50,
but you can make it smaller if you want Emacs to wrap lines in very
narrow partial-width windows.

There's no bug here.

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