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

[Eli Zaretskii]

> Date: Fri, 29 Dec 2017 09:21:42 -0800 (PST)
> From: Drew Adams <drew.adams@oracle.com>
> Cc: 29872@debbugs.gnu.org
> 
> > OK.  If you manually load man.el from Emacs 25, does the problem go
> > away?
> 
> No, I see the same problem.
> 
> > Also, if you invoke the 'man' command from the Bash shell and redirect
> > its output to a file, what characters/bytes do you see in place of
> > those hyphens in the file created by that command?
> 
> I do `M-x shell' and see this in buffer `*shell*':
> 
>  bash: cannot set terminal process group (-1): Inappropriate ioctl for device
>  bash: no job control in this shell
>  >
> 
> (Perhaps you have an idea about that?  If not, OK.)
> 
> But doing what you said anyway (`man find > foo'), the output
> is correct; the "hyphens" are actually hyphens:
> 
>   name: HYPHEN
>   general-category: Pd (Punctuation, Dash)
>   decomposition: (8208) ('‐')

Then I think you will have to set up process-coding-system-alist such
that it reads output from 'man' with utf-8 decoding.  I don't know
what changed since Emacs 25, but if 'man' produces UTF-8 encoded
hyphens by default, Emacs needs to be told about that.