bug#20323: 25.0.50; Emacs's .dir-locals.el should set indent-tabs-mode to nil for emacs-lisp-mode and c-mode

[Eli Zaretskii]

> From: Stefan Kangas <stefan@marxist.se>
> Date: Wed, 15 Jan 2020 06:17:03 +0100
> Cc: Stefan Monnier <monnier@iro.umontreal.ca>, 20323@debbugs.gnu.org
> 
> I see in emacs/.dir-locals.el the following line:
> 
>  (emacs-lisp-mode . ((indent-tabs-mode . nil)
> 
> So that part of this issue has already been done.
> 
> > Anyone interested in the C side of this is welcome to join.
> 
> Does anyone object to adding the same setting as above for c-mode?

What, use only spaces in C sources?  Please don't.