   ;; 2-char indent for java.
   (defvar c-basic-offset)
   (setq c-basic-offset 2)
-  ;; 100-column limit for java.
   (set-fill-column 100))
 
 (add-hook 'java-mode-hook #'ar/java-mode-hook-function)

  (set-fill-column 1000)
  (ar/org-src-color-blocks-dark)
  (flyspell-mode-on)
  (whitespace-mode)
  (rainbow-delimiters-mode)
  (semantic-mode 1)
  (org-bullets-mode 1)

;; Keep syntax highlighting in the current line.
;; (set-face-foreground 'highlight nil)

;;  From http://doc.rix.si/org/fsem.html
(defun ar/gnulinuxp ()
  "Return t if the system is a GNU/Linux machine, otherwise nil."
