replaced generic 'hide' command by more conventional 'hide_class', 'hide_type', 'hide_const', 'hide_fact' -- frees some popular keywords;
(* Title: Admin/Benchmarks/HOL-datatype/ROOT.ML
Some rather large datatype examples (from John Harrison).
*)
val tests = ["Brackin", "Instructions", "SML", "Verilog"];
Unsynchronized.set timing;
warning "\nset quick_and_dirty\n"; Unsynchronized.set quick_and_dirty;
List.app time_use_thy tests;
warning "\nreset quick_and_dirty\n"; Unsynchronized.reset quick_and_dirty;
List.app ThyInfo.remove_thy tests;
List.app time_use_thy tests;