bug#57433: Emacs no longer moves point into visible port of the buffer

[Eli Zaretskii]

> From: Paul Pogonyshev <pogonyshev@gmail.com>
> Date: Fri, 26 Aug 2022 18:32:14 +0200
> 
> Git commit 233c91d32a. Has been broken at least for a few days: my previous 
> build also exhibited this.
> 
> No idea how to create a short test in Elisp.
> 
> From user point of view: open a Magit buffer in a directory with at least two 
> locally modified and uncommitted
> files. The buffer shows sth. like this:
> 
> ...
> Staged changes (N)
> modified   file1
> modified   file2
> ...
> 
> Move the point with C-n to the line with `file2'. Press TAB. Magit section 
> for the file is not opened. Use `M-x
> describe-char'. From the resulting buffer you can say that the point is 
> actually on an invisible char '@', i.e.
> start of (hidden) diff for the first file.

Can you tell what is the actual buffer text and where are the
invisible text properties on it?