 (when (fboundp 'column-highlight-mode)
   (global-set-key (kbd "C-c h") 'column-highlight-mode))
 
+(global-set-key (kbd "C-c n") 'linum-mode)
+
 ;XXX; ;;; Disable italic font style in comments and documentation.
 ;XXX; (set-face-italic 'font-lock-comment-face nil)
 ;XXX; (set-face-italic 'font-lock-doc-face nil)

   ("~" ?\[) ("Z" ?Я) ("X" ?Ч) ("C" ?С) ("V" ?М) ("B" ?И) ("N" ?Т) ("M" ?Ь)
   ("<" ?Б) (">" ?Ю))

  (setq default-input-method "russian-mac")

  (quail-define-package
   "ukrainian-mac" "Ukrainian" "UK" nil

(dolist
    (m '(c-mode python-mode sh-mode rust-mode html-mode js-mode haskell-mode
                markdown-mode yaml-mode ruby-mode org-mode emacs-lisp-mode
                sql-mode elm-mode))
  (font-lock-add-keywords m
   ; Fontify "XXX", even in comments.
   '(("\\<\\(XXX\\)" 1 'font-lock-warning-face prepend))))
