   (add-hook 'LaTeX-mode-hook
 	    (lambda ()
 	      (LaTeX-add-environments "equation*")
+	      (LaTeX-add-environments "tikzpicture")
 	      ))
   ;; Spell checking
   (add-hook 'LaTeX-mode-hook 'flyspell-mode)

  ;; (setq ispell-program-name "aspell") ; could be ispell as well, depending on your preferences
  ;; (setq ispell-dictionary "english") ; this can obviously be set to any language your spell-checking program supports
  (setq reftex-plug-into-AUCTeX t)
  (add-hook 'LaTeX-mode-hook
	    '(lambda ()
	       (define-key LaTeX-mode-map (kbd "$") 'self-insert-command)))
  ;; Enable auto-fill mode, nice for text
  (add-hook 'LaTeX-mode-hook 'auto-fill-mode)
  (add-hook 'LaTeX-mode-hook 'turn-on-reftex)

	       TeX-run-TeX nil (latex-mode doctex-mode) :help "Run LaTeX")
	     )
    )
  ;; latexmk
  (add-hook 'LaTeX-mode-hook (lambda ()
			       (push
				'("latexmk" "latexmk -pdf %s" TeX-run-TeX nil t
				  :help "Run latexmk on file")
				TeX-command-list)))
  ;; Pairing
  ;; brace electric pair
  (setq LaTeX-electric-left-right-brace t)
  (setq TeX-electric-math '("$" . "$"))
  )

;; (use-package yasnippet
