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: Fri, 30 Sep 2022 19:34:17 +0200
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> > I'd rather leave the decision whether to redraw or not to the caller.
> > I don't see how we can safely assume that the caller never wants to
> > actually use the locale's settings for something display-oriented.
> 
> That's what this does.  If the caller wants to redraw, the caller should
> call `redraw-frame' in the body of that macro.

IMO, that assumes to much knowledge on the part of the caller.  I'd
prefer a variable that would tell the macro that the body does include
display.