bug#17787: 24.4.50; Making `linum-mode` more efficient -- no need to run multiple times.

[Eli Zaretskii]

> From: Juanma Barranquero <lekktu@gmail.com>
> Date: Mon, 16 Jun 2014 01:28:36 +0200
> Cc: Keith David Bershatsky <esq@lawlist.com>, 17787@debbugs.gnu.org
> 
> On Sun, Jun 15, 2014 at 9:54 PM, Eli Zaretskii <eliz@gnu.org> wrote:
> 
> > Can I persuade you (and everyone else) to please forget linum-mode
> > ever existed, and never to remember that?  If someone wants line
> > numbers in Emacs, could they please use Stefan's nlinum-mode instead?
> 
> They don't offer the same features.

If the missing features in nlinum matter, they should be added.