 
 (defun ar/markdown-mode-hook-function ()
   "Called when entering `markdown-mode'."
-  (set (make-local-variable 'markdown-indent-on-enter) nil)
+  (setq-local markdown-indent-on-enter)
   (local-set-key (kbd "RET")
                  #'electric-newline-and-maybe-indent))
 

(use-package company-go :ensure t)
(add-hook 'go-mode-hook (lambda ()
                          (helm-dash-activate-docset "Go")
                          (set (make-local-variable 'company-backends) '(company-go))
                          (company-mode)
                          (setq tab-width 2 indent-tabs-mode 1)
                          (add-hook 'before-save-hook #'gofmt-before-save)))

  (objc-font-lock-mode)
  (helm-dash-activate-docset "iOS")
  (set-fill-column 100)
  (setq-local company-backends
       ;; List with multiple back-ends for mutual inclusion.
       '(( ;;company-ycmd
          company-yasnippet
