bug#56698: 28.1; wdired-change-to-wdired-mode fails unless all inserted subdirs are unhidden

[Lars Ingebrigtsen]

Peter Mao <peter.mao@gmail.com> writes:

> If any of the subdirs (or even the top dir) is hidden in a dired buffer,
> `wdired-change-to-wdired-mode' fails.  I believe this is happening at 
> `dired--unhide'
> called from `dired-remember-marks'.
>
> Running 'C-x C-q' , with a hidden subdir results in a "Buffer is read-only" 
> message. 
> 'C-x C-q' works properly after manually unhiding the subdirs.
>
> Recipe is attached, since my mail client seems to strip out control 
> characters.

I'm not sure what the attachment is supposed to describe, but do you
have a complete, step-by-step recipe to reproduce the problem, starting
from "emacs -Q"?