bug#14732: Package dos-mode for ELPA

[Eli Zaretskii]

> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: lekktu@gmail.com,  arnima@hafro.is,  14732@debbugs.gnu.org
> Date: Wed, 07 Aug 2013 23:47:19 -0400
> 
> >> >> That same argument wouldn't work for TCC.
> >> > Why does it work for csh, then?
> >> AFAIK csh is Free Software.
> > Nothing you find on a typical proprietary Unix these days is Free
> > Software.
> 
> Last time I checked, csh comes with a BSD license.

I guess I confused it with ksh, sorry.

And ksh is not the worst offender: look in sh-script, and you will see
there, in addition to ksh, also rc from Plan 9 and even (gasp!) SCO's
oash.

If we care so much about not supporting non-free shells, why do we
have all those in sh-script?