bug#58193: 29.0.50; Screen flickers on with-locale-environment

[Eli Zaretskii]

> From: Lars Ingebrigtsen <larsi@gnus.org>
> Cc: paaguti@gmail.com,  58193@debbugs.gnu.org
> Date: Sat, 01 Oct 2022 11:56:00 +0200
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> > Many Lisp programmers don't realize what the macro does, in enough
> > detail to understand that it might affect the display.
> 
> I added this macro about a month ago, and I did not have redisplay in
> mind -- redisplay is as irrelevant to this macro as it is to macros like
> `when-let'.

Fair enough, but if this macro is not intended for BODYs that include
visual appearance, the restriction should be mentioned in the doc
string, I think.