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bug#29872: 26.0.90; `man' output encoding, hyphen chars


From: Eli Zaretskii
Subject: bug#29872: 26.0.90; `man' output encoding, hyphen chars
Date: Sat, 30 Dec 2017 20:22:00 +0200

> Date: Sat, 30 Dec 2017 09:03:47 -0800 (PST)
> From: Drew Adams <drew.adams@oracle.com>
> Cc: 29872@debbugs.gnu.org
> 
> > > > Suddenly something that (still) works in all prior
> > > > Emacs releases (as far back as Emacs 20, at least)
> > > > no longer works.
> > >
> > > Sorry, my bad.  At least as far back as Emacs 22.
> > >
> > > Emacs 20 shows the same problem.  There the output
> > > shows this, where the end of the line is displayed
> > > as `\342\200\220'.
> > 
> > Thanks, this is good to know, but then how did you obtain the text
> > with an ASCII hyphen that you said earlier you saw in older versions
> > of Emacs?
> 
> Sorry, I don't understand your question.  The output is
> correct in all prior Emacs releases, as far back as Emacs
> 22 (not 20).

Well, AFAICT, it could only have worked by sheer luck.

> But it is incorrect in Emacs 26.0.90 and later, as I said.
> (And it is incorrect in Emacs 20, in the way I showed.)
> 
> What part of this is not yet clear to you?  The output
> is correct, with a normal hyphen, with Emacs 22 through
> 25.3.1.  The output is incorrect for Emacs 26 and 27.
> (And the output is incorrect for Emacs 20.)
> 
> > In any case, the above means the decoding of the stuff produced by
> > the Cygwin 'man' you have installed was incorrect since long ago.
> 
> I don't understand what you are saying.  As I said, the
> output looks correct since Emacs 22, until Emacs 26.
> It has not been "incorrect since long ago".  It is
> incorrect since Emacs 26 (pretest).

Forget it, I just became confused about what did and what didn't work
before and after Emacs 22.





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