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From: Michael Heerdegen <michael_heerdegen@web.de>
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Subject: Re: Refresh display after changing variable
Date: Mon, 02 Aug 2021 22:56:41 +0200
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Eli Zaretskii <eliz@gnu.org> writes:

> > From: Ken Goldman <kgoldman@us.ibm.com>
> > Date: Mon, 2 Aug 2021 15:36:01 -0400
> > 
> > >    (defun kg-toggle-whitespace-line-column ()
> > >       "Toggle whitespace line column between 80 and 101"
> > >       (interactive)
> > >       (setq whitespace-line-column (if (= whitespace-line-column
> > > 80) 101 80))
> > >       (whitespace-mode 1))
> > > 
> > > 
> > That didn't work.
>
> <Shrug> It does here.

For me that works correctly in master but not in the 27.1 that comes
with Debian.

Michael.