Re: Have to run redraw-display manually

[Eli Zaretskii]

> From: Cos Chan <rosettas@gmail.com>
> Date: Tue, 21 Sep 2021 11:06:45 +0200
> 
> Dear All
> 
> I have a problem while using zsh 5.7.1 and GNU Emacs 26.1. The Emacs is
> none X.
> I have the same problem in Debian 10, 11 and FreeBSD 12, 13. I assume it is
> not an OS related problem.
> 
> The problem is moving point by M-b/M-f/C-up/C-down or kill words/line, the
> display would be wrong.
> The point or the characters would be in the wrong places until I manually
> run M-x redraw-display to get it back.
> 
> I can easily reproduce this problem in zsh, which is gone while the shell
> is switched to tcsh.

Are there any non-ASCII characters in the problematic display?

If not, can you show the display in which it happens?  Does the
problem happen in "emacs -Q"?