GNU bug report logs - #45319
28.0.50; Redisplay: `forward-char' moves backwards into invisible text

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Michael Heerdegen <michael_heerdegen <at> web.de>
Cc: jonas <at> bernoul.li, 45319 <at> debbugs.gnu.org
Subject: bug#45319: 28.0.50; Redisplay: `forward-char' moves backwards into invisible text
Date: Sat, 19 Dec 2020 13:26:01 +0200

> From: Michael Heerdegen <michael_heerdegen <at> web.de>
> Cc: 45319 <at> debbugs.gnu.org,  jonas <at> bernoul.li
> Date: Sat, 19 Dec 2020 12:21:27 +0100
> 
> > Does setting global-disable-point-adjustment non-nil and repeating
> > your experiment explain what happens?
> 
> I currently can't try because I'm eating ATM (yeah, shouldn't read mails
> while eating...) but in the Magit buffer that was the first thing I had
> tried and it didn't have an effect.

then maybe your recipe is not a complete demonstration what happens in
Magit buffers.

> > It isn't a redisplay problem.
> 
> Point is moved from a visible into an invisible area - that should not
> happen, no?  Even with point-adjustment enabled.

Why not?  "Invisible" means it is not displayed, but it doesn't mean
point cannot be there.  We have point-adjustment to avoid confusing
users because otherwise when point enters invisible text, cursor
movement commands would seem to have no effect, but that doesn't mean
point cannot enter invisible text.

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