2010-05-31 ago modernized some structure names, keeping a few legacy aliases;
2010-05-30 ago replaced ML_Lex.read_antiq by more concise, which includes full read/report with explicit position information;
2010-05-27 ago renamed structure PrintMode to Print_Mode, keeping the old name as legacy alias for some time;
2010-05-15 ago refer directly to structure Keyword and Parse;
2010-05-08 ago unified/simplified Pretty.margin_default;
2010-04-25 ago replaced Sorts.rep_algebra by slightly more abstract selectors classes_of/arities_of;
2010-04-25 ago modernized naming conventions of main Isar proof elements;
2010-04-16 ago keep localized 'types' as regular non-old-style version -- 'type_abbrev' as 'type' just causes too many problems, e.g. clash with "type" in translations or "type:" argument syntax;
2010-04-16 ago replaced generic 'hide' command by more conventional 'hide_class', 'hide_type', 'hide_const', 'hide_fact' -- frees some popular keywords;
2010-04-16 ago modernized old-style type abbreviations;
2010-03-22 ago added Specification.axiom convenience;
2010-03-21 ago minor renovation of old-style 'axioms' -- make it an alias of iterated 'axiomatization';
2010-02-16 ago simplified meaning of ProofContext.verbose;
2009-11-13 ago modernized structure Local_Theory;
2009-11-08 ago print_theorems: suppress concealed (global) facts, unless "!" option is given;
2009-11-05 ago allow "pervasive" local theory declarations, which are applied the background theory;
2009-11-02 ago structure Thm_Deps;
2009-11-02 ago modernized structure Proof_Display;
2009-11-02 ago modernized structure Proof_Syntax;
2009-11-01 ago modernized structure Context_Rules;
2009-10-28 ago renamed Proof.flat_goal to Proof.simple_goal;
2009-10-27 ago ProofContext.setmp_verbose_CRITICAL;
2009-10-24 ago renamed NameSpace to Name_Space -- also to emphasize its subtle change in semantics;
2009-10-02 ago replaced Proof.get_goal state by Proof.flat_goal state, which provides the standard view on goals for (semi)automated tools;
2009-09-29 ago Propagation of mixins for interpretation; reactivated diagnostic command print_interps.
2009-07-23 ago renamed simpset_of to global_simpset_of, and local_simpset_of to simpset_of -- same for claset and clasimpset;
2009-07-21 ago proper context for Display.pretty_thm etc. or old-style versions Display.pretty_thm_global, Display.pretty_thm_without_context etc.;
2009-07-19 ago parallel_proofs: more fine-grained control with optional parallel checking of nested Isar proofs;
2009-06-27 ago tune File.isabelle_tool signature;
2009-03-30 ago tuned;
2009-03-30 ago added Toplevel.previous_node_of;
2009-03-18 ago more precise type Symbol_Pos.text;
2009-03-18 ago de-camelized Symbol_Pos;
2009-03-15 ago ML_Syntax.make_binding;
2009-03-11 ago added 'local_setup' command;
2009-03-08 ago simplified presentation: pass state directly;
2009-03-08 ago proper context for Simplifier.pretty_ss;
2009-03-07 ago Theory.add_axioms/add_defs: replaced old bstring by binding;
2009-03-07 ago oracle: proper name position, tuned;
2009-03-05 ago Thm.add_oracle interface: replaced old bstring by binding;
2009-03-04 ago Merge.
2009-03-04 ago Merge.
2009-03-03 ago renamed Binding.name_pos to Binding.make, renamed Binding.base_name to Binding.name_of, renamed Binding.map_base to Binding.map_name, added mandatory flag to Binding.qualify;
2009-02-28 ago moved isabelle_process.ML, isabelle_process.scala, isar.ML, session.ML to Pure/System/ (together with associated Isar commands);
2009-02-27 ago moved find_theorems.ML and find_consts.ML to Pure/Tools, collecting main implementation in one place each;
2009-02-13 ago New command find_consts searching for constants by type (by Timothy Bourke).
2009-02-11 ago FindTheorems: add solves feature; tidy up const name subsettin; patch by Timothy Bourke
2009-01-21 ago binding replaces bstring
2009-01-07 ago qed/after_qed: singleton result;
2009-01-05 ago locale -> old_locale, new_locale -> locale
2008-12-12 ago Merged.
2008-12-11 ago Conversion of HOL-Main and ZF to new locales.
2008-12-11 ago print_theorems: more robust difference, even after finished proof;
2008-12-05 ago Name.name_of -> Binding.base_name
2008-12-04 ago cleaned up binding module and related code
2008-11-16 ago clarified Thm.proof_body_of vs. Thm.proof_of;
2008-11-15 ago Thm.proof_of returns proof_body;
2008-10-04 ago renamed isatool to isabelle_tool in programming interfaces;
2008-09-26 ago eliminated polymorphic equality;
2008-09-18 ago simplified oracle interface;