Execution.fork formally requires registered Execution.running;
Thy_Info.load_thy: more official exec_id registration (batch mode);
dummy exec Document_ID.none is always registered (TTY mode);
clarified exceptions for module Execution (NB: fork is used in user space, unlike protocol operations of Command and Document);
(* Title: HOL/Library/Code_Target_Numeral.thy
Author: Florian Haftmann, TU Muenchen
*)
header {* Implementation of natural and integer numbers by target-language integers *}
theory Code_Target_Numeral
imports Code_Target_Int Code_Target_Nat
begin
end