Re: lib/56926: curses: vi screen corrupted with UTF-8 multicolumn characters

[Rin Okuyama <rokuyama.rk%gmail.com@localhost>]

On 2022/10/04 6:50, RVP wrote:
>   Not just a messy screen, vi dumps core:
>   
>   1. Edit sample.txt
>   2. :set leftright
>   3. Keep inserting text in-between Kanji chars.
>   4. core-dump after the screen is shifted once or twice.

This is independent problem to this PR; not related to curses, but
problem of vi itself.

leftright has long been broken for multi-column chars. It would be
nice if we can fix it, but codes are *REALLY* complicated.

Thanks,
rin