   "xnn" 'narrow-to-region
   "xnw" 'widen
   "xnd" 'narrow-to-defun
-  "xn" 'narrow-to-region
+  "xr" 'narrow-to-region
   "xw" 'widen
   "xd" 'narrow-to-defun
   "zc" 'wg-create-workgroup

  "hn" 'highlight-symbol-next
  "hp" 'highlight-symbol-prev
  "hq" 'highlight-symbol-query-replace
  "bm" 'pomodoro-start ;; beat myself
  "." 'evil-ex
  ;; toggle overview,  @see http://emacs.wordpress.com/2007/01/16/quick-and-dirty-code-folding/
  "oo" 'switch-window

  "xo" 'helm-find-files
  "vd" 'scroll-other-window
  "vu" '(lambda () (interactive) (scroll-other-window-down nil))
  "js" 'w3mext-search-js-api-mdn
  "je" 'js2-display-error-list
  "te" 'js2-mode-toggle-element
  "tf" 'js2-mode-toggle-hide-functions
  "xh" 'mark-whole-buffer
  "xk" 'ido-kill-buffer
  "xs" 'save-buffer
