remove "fast_descs" option from Nitpick;
the option has been unsound for over a year and is too imprecise to be of any use when made sound
(* Title: HOL/Imperative_HOL/Imperative_HOL.thy
Author: John Matthews, Galois Connections; Alexander Krauss, Lukas Bulwahn & Florian Haftmann, TU Muenchen
*)
header {* Entry point into monadic imperative HOL *}
theory Imperative_HOL
imports Array Ref Mrec
begin
end