parts of my spacemacs dotfile

gistfile1.txt

dotspacemacs-configuration-layers
   '(elm
     python
     helm
     auto-completion
     ;; better-defaults
     emacs-lisp
     ess
     themes-megapack
     version-control
     shell
     markdown
     spell-checking
     syntax-checking
     (keyboard-layout :variables kl-layout 'bepo)
     (latex :variables latex-enable-auto-fill t)
     )
   ;; List of additional packages that will be installed without being
   ;; wrapped in a layer. If you need some configuration for these
   ;; packages, then consider creating a layer. You can also put the
   ;; configuration in `dotspacemacs/user-config'.
   dotspacemacs-additional-packages '(polymode
                                      poly-R
                                      poly-noweb
                                      poly-markdown)


(defun dotspacemacs/user-config ()
  "Configuration for user code:
This function is called at the very end of Spacemacs startup, after layer
configuration.
Put your configuration code here, except for variables that should be set
before packages are loaded."
;;; R modes
  (add-to-list 'auto-mode-alist '("\\.md" . poly-markdown-mode))
  (add-to-list 'auto-mode-alist '("\\.Snw" . poly-noweb+r-mode))
  (add-to-list 'auto-mode-alist '("\\.Rnw" . poly-noweb+r-mode))
  (add-to-list 'auto-mode-alist '("\\.Rmd" . poly-markdown+r-mode))

  ;; (require 'poly-R)
  ;; (require 'poly-markdown)
  ;; (add-to-list 'auto-mode-alist '("\\.Rmd" . poly-markdown+r-mode))

  (global-company-mode t)
  (global-hl-line-mode 1) ; Enable/Disable current line highlight
  (setq-default fill-column 99)
  (setq-default auto-fill-mode t)
  (setq-default automatic-symbol-highlight t)
  ;; ESS shortcuts
  (spacemacs/set-leader-keys "mdt" 'ess-r-devtools-test-package)
  (spacemacs/set-leader-keys "mrl" 'ess-eval-line)
  (spacemacs/set-leader-keys "mrr" 'ess-eval-region)
  (spacemacs/set-leader-keys "mdb" 'ess-r-devtools-build-package)
  (spacemacs/set-leader-keys "mdd" 'ess-r-devtools-document-package)
  (spacemacs/set-leader-keys "mdl" 'ess-r-devtools-load-package)
  (spacemacs/set-leader-keys "mdc" 'ess-r-devtools-check-package)
  (spacemacs/set-leader-keys "mdp" 'ess-r-package-mode)
  (add-hook 'ess-mode-hook
            (lambda ()
              (ess-toggle-underscore nil)))
  (define-key evil-normal-state-map (kbd "SPC mm")
            (lambda ()
              (interactive)
              (insert " %>% ")
              (evil-insert-state)
              ))
  ;; Move lines around
  (spacemacs/set-leader-keys "MS" 'move-text-line-up)
  (spacemacs/set-leader-keys "MT" 'move-text-line-down)
  (setq-default whitespace-mode t)
  (setq-default whitespace-style (quote (spaces tabs newline space-mark tab-mark newline-mark)))
  (setq-default whitespace-display-mappings
        ;; all numbers are Unicode codepoint in decimal. try (insert-char 182 ) to see it
        '(
          (space-mark 32 [183] [46]) ; 32 SPACE, 183 MIDDLE DOT 「·」, 46 FULL STOP 「.」
          (newline-mark 10 [9226 10]) ; 10 LINE FEED
          (tab-mark 9 [9655 9] [92 9]) ; 9 TAB, 9655 WHITE RIGHT-POINTING TRIANGLE 「▷」
          ))
  (setq-default TeX-view-program-selection
         '((output-pdf "PDF Viewer")))
  (setq-default TeX-view-program-list
        '(("PDF Viewer" "okular %o")))
  (setq-default indent-tabs-mode nil)
  (setq-default tab-width 2)
   ;; (setq org-default-notes-file (concat org-directory "/agenda/notes.org"))
   (add-hook 'prog-mode-hook 'spacemacs/toggle-fill-column-indicator-on)
   (add-hook 'text-mode-hook 'spacemacs/toggle-fill-column-indicator-on)
   (add-hook 'markdown-mode-hook 'spacemacs/toggle-fill-column-indicator-on)
  )