Tweak Braun tree list_fast_rec recursion.
A minor adjustment simplifies the termination argument slightly.
(* Title: HOL/Library/Code_Target_Numeral.thy
Author: Florian Haftmann, TU Muenchen
*)
section \<open>Implementation of natural and integer numbers by target-language integers\<close>
theory Code_Target_Numeral
imports Code_Target_Int Code_Target_Nat
begin
end