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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: master b8062be 3/5: Remove some compat code from eudc-bob.el
Date: Thu, 13 Aug 2020 17:14:10 +0300
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To: Stefan Monnier <monnier@iro.umontreal.ca>
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> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: Lars Ingebrigtsen <larsi@gnus.org>,  emacs-devel@gnu.org
> Date: Thu, 13 Aug 2020 09:58:15 -0400
> 
> > I think we can simply delete the line that sets
> > buffer-file-coding-system: in a unibyte buffer it doesn't
> > matter anyway.
> 
> IIRC it can make a difference w.r.t line-endings.

How?  And why does that matter in the case in point?

> > (And it's wrong to use 'binary' for producing files that will
> > be processed by programs other than Emacs, because 'binary' spills out
> > the Emacs internal representation of characters.)
> 
> It's definitely not wrong for unibyte buffers where there's no "internal
> representation of characters" that can spill out ;-)

We cannot know that in general.  Why live dangerously?