bug#18205: Obsolete patterns in auto-mode-alist

[Eli Zaretskii]

> Date: Wed, 6 Aug 2014 18:47:14 +0100
> From: Reuben Thomas <rrt@sc3d.org>
> Cc: 18205@debbugs.gnu.org
> 
> > > s/MSDOG/MS-DOS/
> >
> > This used to be used as a joke in Emacs source.  Nowadays we should use
> > the name of a Free Software instead.
> >
> > FreeDOS maybe?
> >
> 
> That would be confusing (since it's still best known as MS-DOS) and
> inconsistent (since Emacs calls it MS-DOS or ms-dos everywhere).

Did you search the Emacs tree for MS-DOG?