bug#71915: 31.0.50; [PATCH] Fix balance-windows doc

[Eli Zaretskii]

> Date: Wed, 03 Jul 2024 14:16:38 +0200
> From:  Manuel Giraud via "Bug reports for GNU Emacs,
>  the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
> 
> It seems that `balance-windows' banlances window's width too.

Right, thanks for pointing out this inaccuracy in the manual.

> >From 233bbfeae10e32b1163cd33810391850a3832703 Mon Sep 17 00:00:00 2001
> From: Manuel Giraud <manuel@ledu-giraud.fr>
> Date: Wed, 3 Jul 2024 11:41:30 +0200
> Subject: [PATCH] Fix `balance-windows' doc
> 
> * doc/emacs/windows.texi (Change Window): `balance-windows'
> balances window's width too.

Thanks.  I found that "even out the heights and widths" and "make all
windows the same height and width" to be inaccurate, so I fixed this
on the emacs-30 release branch with a more detailed text which tries
to explain the balancing act better.