bug#61785: [PATCH] Add option to keep some columns in dired-hide-details-mode

[Eli Zaretskii]

> From: Augusto Stoffel <arstoffel@gmail.com>
> Date: Sat, 25 Feb 2023 12:30:14 +0100
> 
> I find the normal dired buffer a bit too busy but
> dired-hide-details-mode a bit too lacking.  So I'd like show only the
> details I care most about, for instance like this:
> 
> --8<---------------cut here---------------start------------->8---
>   /home/augusto/emacs:
>   4.0K Feb 25 .
>   4.0K Feb 20 ..
>   4.0K Feb 25 admin
>   4.0K Feb 20 autom4te.cache
>   4.0K Feb 25 build-aux
>   3.6K Feb 20 aclocal.m4
>    11K Feb 25 autogen.sh
>    932 Jun  6 BUGS
>   ...
> --8<---------------cut here---------------end--------------->8---
> 
> The above can be obtained by setting
> 
>   (setq dired-hide-details-preserved-columns '(5 6 7))
> 
> After writing this, I realized one could easily modify the new user
> option to be an alist mapping column numbers to arbitrary text
> properties to be applied to that column.  If anyone thinks this variant
> is useful, I'd be happy to adapt the patch.

Thanks, installed on the master branch.  Feel free to post further
enhancements if you think they will be useful.