more robust check of ISABELLE_PLATFORM_FAMILY within settings environment, to support its reunification with Isabelle/Scala (see also a33a6e541cbb, f3a356c64193);
(* Title: HOL/Library/Simps_Case_Conv.thy
Author: Lars Noschinski
*)
theory Simps_Case_Conv
imports Case_Converter
keywords "simps_of_case" "case_of_simps" :: thy_decl
abbrevs "simps_of_case" "case_of_simps" = ""
begin
ML_file \<open>simps_case_conv.ML\<close>
end