--- /dev/null
+#+SETUPFILE: org-setup.inc
+
+#+TITLE: Reference
+
+#+BEGIN_SRC emacs-lisp :exports results :results value raw
+(yas--document-symbols 1 `("Interactive functions" . ,#'interactive-form)
+ `("Customization variables" . ,#'(lambda (sym)
+ (and (boundp sym)
+ (get sym 'standard-value))))
+ `("Useful functions" . ,#'fboundp)
+ `("Useful variables" . ,#'boundp))
+#+END_SRC