[Tcsh] various color ls-F fixes

[Kimmo Suominen]

On Wed, 12 Apr 2023 at 15:50, Luke Mewburn <luke at mewburn.net> wrote:
> On 23-04-10 12:39, Kimmo Suominen wrote:
>   | I think I would like this behaviour but suppress errors in the
>   | unsetenv case. Would that be possible? Would it make sense to others?
>
> That's a good idea, and I implemented it. See pull request:
>         https://github.com/tcsh-org/tcsh/pull/74

Thanks, I've merged it.

Cheers,
+ Kimmo