avoid polymorphic uncurried aliases with more arguments than there are arguments in the most general type of a HOL constant, to dodge issues at declaration time
;;; Options for Proof General
;;;
;;; Examples for sensible settings:
;; keep sources clean
(custom-set-variables '(indent-tabs-mode nil))
;; retain vital AltGr behaviour, e.g. on non-US Mac OS X
;(custom-set-variables '(ns-alternate-modifier 'none))
;; longer timeout for saving persistent session
;(custom-set-variables '(proof-shell-quit-timeout 60))