+Convenience macro for =setq='ing multiple variables to the same value:
+
+#+begin_src emacs-lisp
+(defmacro setq-every! (value &rest vars)
+ "Set all the variables from VARS to value VALUE."
+ (declare (indent defun) (debug t))
+ `(progn ,@(mapcar (lambda (x) (list 'setq x value)) vars)))
+#+end_src
+