improve on 0b05cc14c2cb: make sure that a literal variable "?foo" isn't accidentally renamed "?Q", which might be enough to confuse the new Skolemizer (cf. "Clausify.thy" example)
(* Title: HOL/MicroJava/DFA/Abstract_BV.thy
Author: Gerwin Klein
Copyright 2003 TUM
*)
header {* Abstract Bytecode Verifier *}
(*<*)
theory Abstract_BV
imports Typing_Framework_err Kildall LBVCorrect LBVComplete
begin
end
(*>*)