Re: dired-do-find-regexp failure with latin-1 encoding

[Eli Zaretskii]

> From: Yuri Khan <yuri.v.khan@gmail.com>
> Date: Sun, 29 Nov 2020 22:14:51 +0700
> Cc: Dmitry Gutov <dgutov@yandex.ru>, Stephen Berman <stephen.berman@gmx.net>, 
>       Emacs developers <emacs-devel@gnu.org>
> 
> On Sun, 29 Nov 2020 at 22:07, Eli Zaretskii <eliz@gnu.org> wrote:
> 
> > We don't.  I still hope to understand why -a was needed in this case.
> 
> The grep manual says it considers files to be binary if it encounters
> byte sequences that are not valid text encoded in the locale’s
> encoding.

Is that what the Grep source says?