more explicit indication of Output.Private_Hooks (still public to accomodate clones of Proof General for now);
header {* Plain HOL *}
theory Plain
imports Datatype FunDef Extraction Sledgehammer
begin
text {*
Plain bootstrap of fundamental HOL tools and packages; does not
include @{text Hilbert_Choice}.
*}
ML {* path_add "~~/src/HOL/Library" *}
end