Some Line Numbers Missing When Using linum

Question

I'm running Emacs 23.3.1 on Mac OS X. When I have linum-mode enable some lines are not numbered. Sometimes when my cursor scrolls past a line that is not numbered its number will appear and then sometimes it will disappear again. Is there away to prevent this from happening?

Answer 1

• From your screenshot, it looks like lines with only comments are not numbered. Dunno why.

• Perhaps there is another overlay at such positions, and it has a higher priority, thus masking the line-number overlay. Try turning off font-lock temporarily, to see whether that affects things. Then try increasing the priority of the line-number overlays. For a quick test, do this:

(defun foo ()
      (dolist (ov  linum-overlays)
        (overlay-put ov 'priority 2000)))

    (add-to-list 'post-command-hook 'foo t t)

If that helps, then instead of that, do the overlay-put (but try with a ower priority, say, 200) in function linum-update-window . IOW, add the priority when the overlay is put on the text.