ML_Lex.pos_of: regular position; added ML_Lex.text_of;

replaced Antiquote.is_antiq by Antiquote.is_text;

merged

extra toplevel pretty-printing for Poly/ML; experimental version for Poly/ML 5.3;

merged

merged

move field lemmas into class locale context

move diff_eq_0_iff_eq into class locale context

removed obsolete pprint operations; some explicit pp operations for toplevel pretty printing;

added polyml_pp.ML: toplevel pretty printing for Poly/ML 4.x and 5.x before 5.3;

adapted toplevel_pp to ML_Pretty.pretty;

replaced install_pp/make_pp by more general toplevel_pp based on use_text;

simplified datatype ML_Pretty.pretty: model Isabelle not Poly/ML; removed obsolete pprint;

simplified datatype ML_Pretty.pretty: model Isabelle not Poly/ML;

Datatype for ML pretty printing (cf. mlsource/MLCompiler/Pretty.sml in Poly/ML 5.3).

Pretty.position; try use ml_system specific install_pp;

added position; added to_ML, from_ML (approximation);

added generic ML_Pretty interface;

restricted interrupts for tasks running as future worker thread -- attempt to prevent interrupt race conditions;

more ambitious ML_OPTIONS;

more stats;

added ML syntax markup;

report markup for ML tokens;

Antiquote.read: argument for reporting text;

future_job: do not inherit attributes, but enforce restricted interrupts -- attempt to prevent interrupt race conditions;

uniform ml_prompts for RAW and Pure;

eliminated old Addsimps;

Disposed old declarations, tactics, tactic combinators that refer to the simpset or claset of an implicit theory;

fixed possibility_tac;

eliminated global SIMPSET, CLASET etc. -- refer to explicit context;

merged

merged