added Induct/Binary_Trees.thy, Induct/Tree_Forest (converted from
former ex/TF.ML ex/TF.thy ex/Term.ML ex/Term.thy);
(* Title: Pure/install_pp.ML
ID: $Id$
Set up automatic toplevel pretty printing.
*)
install_pp (make_pp ["Theory", "theory"] Display.pprint_theory);
install_pp (make_pp ["Thm", "thm"] Display.pprint_thm);
install_pp (make_pp ["Thm", "cterm"] Display.pprint_cterm);
install_pp (make_pp ["Thm", "ctyp"] Display.pprint_ctyp);
install_pp (make_pp ["Sign", "sg"] Sign.pprint_sg);
install_pp (make_pp ["Syntax", "ast"] Syntax.pprint_ast);
install_pp (make_pp ["typ"] Syntax.simple_pprint_typ);