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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: Files in build-aux
Date: Mon, 03 May 2021 22:25:35 +0300
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> From: Eric Abrahamsen <eric@ericabrahamsen.net>
> Cc: Eli Zaretskii <eliz@gnu.org>,  Alan Third <alan@idiocy.org>,  Emacs
>  developers <emacs-devel@gnu.org>
> Date: Mon, 03 May 2021 12:21:54 -0700
> 
> >> > > build-aux/config.guess
> >> > > build-aux/config.sub
> >> > >
> >> > > I've just been resetting as and when required, but they always come
> >> > > back after a build. I only see this on my mac, I don't see it on a
> >> > > Debian system. Is there something I should be doing with them?
> >> >
> >> > FWIW, I see the same behavior.
> >>
> >> FWIW, I don't.  Strange.
> >
> > This only happens on macOS.
> 
> Happens on Arch Linux, too!

Now it's really strange.

What kind of changes does Git report in these two files?  Attributes,
perhaps?