bug#23453: 25.0.93; dired-do-find-regexp does not work on Windows even after installing GNU find and grep

[Eli Zaretskii]

> Cc: 23453@debbugs.gnu.org
> From: Dmitry Gutov <dgutov@yandex.ru>
> Date: Thu, 5 May 2016 01:15:37 +0300
> 
> Oops, thanks for catching this.
> 
> On 05/05/2016 12:39 AM, Kaushal Modi wrote:
> 
> > +   (shell-quote-argument dir)
> 
> This looks good.
> 
> > +   (xref--find-ignores-arguments ignores (shell-quote-argument dir))))
> 
> I'm not sure about this line, on the other hand. Is it actually 
> required? If yes, this quoting should be performed inside 
> xref--find-ignores-arguments, I think.

Indeed, it is IMO wrong to use shell-quote-argument anywhere except
immediately before invoking the shell command.  If this is what is
needed to fix the bug, the bug is elsewhere.