[PATCH] Add dir-locals style variables for C++ and Elisp code.

[Dima Kogan]

> On Tue,  7 Jun 2011 01:20:25 -0400
> Austin Clements <amdragon at MIT.EDU> wrote:
>
> Also, slightly reformat dir-locals.el so that the settings align and
> to make it friendlier for future additions.

Should we also add:

(tab-always-indent . nil)
(indent-tabs-mode  . t)

Otherwise the setups of people who normally use spaces will still
insert spaces when 'tab' is depressed.