Version 1.9 of package Nlinum has just been released in GNU ELPA. You can now find it in M-x list-packages RET.
Nlinum describes itself as: =============================== Show line numbers in the margin =============================== More at https://elpa.gnu.org/packages/nlinum.html ## Summary: This is like linum-mode, but uses jit-lock to be (hopefully) more efficient. News: v1.9: - Add `nlinu-widen'. v1.8: - Add `nlinum-use-right-margin'. v1.7: - Add ability to highlight current line number. - New custom variable `nlinum-highlight-current-line' and face `nlinum-current-line'. - New `nlinum' group in Custom. v1.3: - New custom variable `nlinum-format'. - Change in calling convention of `nlinum-format-function'. v1.2: - New global mode `global-nlinum-mode'. - New config var `nlinum-format-function'. ## Recent NEWS: v1.9: - Add `nlinu-widen'. v1.8: - Add `nlinum-use-right-margin'. v1.7: - Add ability to highlight current line number. - New custom variable `nlinum-highlight-current-line' and face `nlinum-current-line'. - New `nlinum' group in Custom. v1.3: - New custom variable `nlinum-format'. - Change in calling convention of `nlinum-format-function'. v1.2: - New global mode `global-nlinum-mode'. - New config var `nlinum-format-function'. Known bugs: - When narrowed, there can be a "bogus" line number that appears at the very end of the buffer. - After widening, the current line's number may stay stale until the next command.
