etc/proofgeneral-settings.el

 ;;; Options for Proof General
 
 ;; Examples for sensible settings:
 
 (custom-set-variables '(indent-tabs-mode nil))
-(custom-set-variables '(proof-shell-quit-timeout 45))
+
+;(custom-set-variables '(proof-shell-quit-timeout 60))
 
 ;(custom-set-variables '(isar-eta-contract nil))
 
 ;(custom-set-faces
 ; '(proof-locked-face