bug#57669: 29.0.50; C-n, C-p off under long lines

[Eli Zaretskii]

> From: dick.r.chiang@gmail.com
> Date: Thu, 08 Sep 2022 01:40:01 -0400
> 
> 
> Try C-n through a file with long lines.  It jumps around.

That's expected, and is one of the prices we pay for reasonable
performance with such long lines: keeping the same column is no longer
guaranteed.  I see no problem with that, FWIW.