bug#53739: 28.0.91; "C-x d" fails when "emacs -Q" starts on NetBSD with plan9/bin on head of PATH

[Van Ly]

On Thu, 3 Feb 2022, Po Lu wrote:

> It would be a great deal of trouble to support their version of ls (and
> indeed, their versions of many other common Unix utilities such as `rm'
> and `cp'), so I think the answer is simply "don't run Emacs with
> plan9/bin at the head of your PATH".

Maybe the user can have their cake and eat it.  What if Emacs ignores 
the PATH element containing plan9/bin and the shell environment 
outside Emacs is allowed to prefer plan9's commands?

--
vl