bug#23590: 25.0.94; Errors in default lgrep command

[Eli Zaretskii]

> From: John Mastro <john.b.mastro@gmail.com>
> Date: Sat, 23 Jul 2016 10:23:20 -0700
> Cc: Eli Zaretskii <eliz@gnu.org>, Alex <agrambot@gmail.com>
> 
> Eli Zaretskii <eliz@gnu.org> wrote:
> >> Emacs invokes whichever shell is the value of the user's SHELL
> >> environment variable.
> >
> > Then maybe we should change that.
> 
> Do you mean for `lgrep' specifically or at a lower level?

No, I mean in general.

> This is admittedly an anecdote but, having used zsh as my SHELL (and
> `shell-file-name') for several years, this scenario with `lgrep' and the
> "all" alias is the only time I've run into a problem.

Why would you want to use zsh in commands issued by lgrep?