    (list (intern (completing-read
                   "linum pkg (default nlinum): "
                   '("nlinum" "linum" "nil")
-                  nil t nil nil "nlinum"))))
+                  nil :require-match nil nil "nlinum"))))
   (when (stringp linum-pkg)
     (setq linum-pkg (intern linum-pkg)))
   (cl-case linum-pkg

;; Time-stamp: <2017-05-11 15:29:06 kmodi>

;; Line number package manager


;; nlinum
;; http://elpa.gnu.org/packages/nlinum.html
(use-package nlinum
  :config
  (progn
    (setq nlinum-format " %d ")     ;1 space padding on each side of line number
    (setq nlinum-highlight-current-line t)

    (defun modi/turn-on-nlinum ()
