       #'flycheck-pos-tip-error-messages)
 
 (add-hook 'after-init-hook #'global-flycheck-mode)
+
+(setq org-src-tab-acts-natively t)
 
 ;; Prevent inadvertently editing invisible areas in Org.
 (setq org-catch-invisible-edits t)

  (let ((m org-mode-map))
    (define-key m [f6] #'ar/export-blog-to-html))
  (set (make-local-variable 'show-trailing-whitespace) t)
  (flyspell-mode-on)
  (whitespace-mode)
  (rainbow-delimiters-mode)

  (whitespace-mode)
  (rainbow-delimiters-mode)
  (hl-line-mode)
  (rainbow-mode)
  (centered-cursor-mode)
  ;; Language-aware editing commands. Useful for imenu-menu.
  (semantic-mode 1)
