Hi Eli, I understand, thank you.

the only package that tries to do what I have just describe is an abandoned
package from github user fanael. It has bugs and performance issues that
render it unusable.

here is the link: https://github.com/Fanael/relative-line-numbers/issues/3

On Jun 22, 2017 12:38 PM, "Eli Zaretskii" <eliz@gnu.org> wrote:

> > From: Filipe Silva <filipe.silva@gmail.com>
> > Date: Thu, 22 Jun 2017 12:02:55 -0300
> > Cc: Emacs developers <emacs-devel@gnu.org>
> >
> > Eli
> > ​, thanks so much for your work on this. I means a lot to have this
> feature implemented in the timeless editor.
> >
> > I'm an evil-mode user and this is one of the features I miss most in
> vim: relative line numbers. But let me be
> > more clear:
> >
> > Vim implements​ relative line numbers in a way that the "relativity"
> aspect is based on the visible lines of the
> > buffer.
> >
> > This means that, for example, in an org-mode buffer, where you have a
> bunch of lines collpsed, you would
> > number those visible lines with numbers relative to the line of point,
> and not based on the "real" relativity.
>
> Yes, this was already requested.  I understand that there are no Emacs
> packages that offer this feature right now, is that right?
>
> Anyway, implementing this will need to code a whole different method
> of counting lines (the current branch just reuses the same code which
> produces the line numbers in the mode line), so I will need to
> experiment to see if it can be implemented fast enough to avoid
> slowing down redisplay, which is already slower in folded buffers.
> IOW, this feature will take some time to implement correctly.
>
> Thanks for the feedback.
>