Add comment to linum-mode about being old

* lisp/linum.el (linum-mode): Link to display-line-numbers-mode
(bug#34639).

diff --git a/lisp/linum.el b/lisp/linum.el
index e121618b69fa1d848e6cf0310ef4a692606712c4..d491da520667722d87143f3032732f49abf313a3 100644 (file)
--- a/lisp/linum.el
+++ b/lisp/linum.el
@@ -74,6 +74,9 @@ and you have to scroll or press \\[recenter-top-bottom] to update the numbers."
 ;;;###autoload
 (define-minor-mode linum-mode
   "Toggle display of line numbers in the left margin (Linum mode).
+This mode has been largely replaced by `display-line-numbers-mode'
+(which is much faster and has fewer interaction problems with other
+modes).
 
 Linum mode is a buffer-local minor mode."
   :lighter ""                           ; for desktop.el