2014-03-21 wenzelm 2014-03-21 more qualified names;
2014-02-01 wenzelm 2014-02-01 proper context for printing;
2014-01-12 wenzelm 2014-01-12 clarified context;
2014-01-01 wenzelm 2014-01-01 clarified simplifier context; eliminated Simplifier.global_context;
2013-12-14 wenzelm 2013-12-14 proper context for basic Simplifier operations: rewrite_rule, rewrite_goals_rule, rewrite_goals_tac etc.; clarified tool context in some boundary cases;
2013-05-11 wenzelm 2013-05-11 prefer explicitly qualified exceptions, which is particular important for robust handlers;
2013-04-18 wenzelm 2013-04-18 simplifier uses proper Proof.context instead of historic type simpset;
2012-03-13 wenzelm 2012-03-13 more explicit indication of def names;
2011-11-23 wenzelm 2011-11-23 modernized some old-style infix operations, which were left over from the time of ML proof scripts;
2011-08-17 wenzelm 2011-08-17 modernized signature of Term.absfree/absdummy; eliminated obsolete Term.list_abs_free;
2011-08-10 wenzelm 2011-08-10 old term operations are legacy;
2011-06-09 wenzelm 2011-06-09 discontinued Name.variant to emphasize that this is old-style / indirect;
2011-04-16 wenzelm 2011-04-16 modernized structure Proof_Context;
2011-01-10 wenzelm 2011-01-10 eliminated Int.toString;
2010-12-15 wenzelm 2010-12-15 avoid ML structure aliases (especially single-letter abbreviations);
2010-11-03 wenzelm 2010-11-03 replaced ancient sys_error by raise Fail, assuming that the latter is not handled specifically by the environment;
2010-09-20 wenzelm 2010-09-20 renamed structure PureThy to Pure_Thy and moved most content to Global_Theory, to emphasize that this is global-only;
2010-09-06 wenzelm 2010-09-06 ML_Context.thm;
2010-08-19 haftmann 2010-08-19 corrected some long-overseen misperceptions in recdef
2010-08-19 haftmann 2010-08-19 use antiquotations for remaining unqualified constants in HOL
2010-05-15 wenzelm 2010-05-15 less pervasive names from structure Thm;
2010-05-05 haftmann 2010-05-05 farewell to old-style mem infixes -- type inference in situations with mem_int and mem_string should provide enough information to resolve the type of (op =)
2010-05-03 wenzelm 2010-05-03 replaced Thm.legacy_freezeT by Thm.unvarify_global -- these facts stem from closed definitions, i.e. there are no term Vars;
2010-05-03 wenzelm 2010-05-03 renamed Thm.freezeT to Thm.legacy_freezeT -- it is based on Type.legacy_freeze;
2010-05-03 wenzelm 2010-05-03 renamed ProofContext.init to ProofContext.init_global to emphasize that this is not the real thing;
2010-03-15 wenzelm 2010-03-15 preserve full const name more carefully, and avoid slightly odd Sign.intern_term;
2010-03-09 wenzelm 2010-03-09 renamed mk_const_def to legacy_const_def, because of slightly odd Sign.intern_term;
2010-02-19 wenzelm 2010-02-19 renamed Simplifier.theory_context to Simplifier.global_context to emphasize that this is not the real thing;
2009-11-24 haftmann 2009-11-24 curried take/drop
2009-10-29 wenzelm 2009-10-29 eliminated some old folds;
2009-10-29 wenzelm 2009-10-29 standardized filter/filter_out;
2009-10-22 haftmann 2009-10-22 map_range (and map_index) combinator
2009-10-21 haftmann 2009-10-21 merged
2009-10-21 haftmann 2009-10-21 curried union as canonical list operation
2009-10-21 haftmann 2009-10-21 removed old-style \ and \\ infixes
2009-10-21 haftmann 2009-10-21 merged
2009-10-21 haftmann 2009-10-21 dropped redundant gen_ prefix
2009-10-21 wenzelm 2009-10-21 standardized basic operations on type option;
2009-10-15 wenzelm 2009-10-15 replaced String.concat by implode; replaced String.concatWith by space_implode; replaced (Seq.flat o by Seq.maps; replaced List.mapPartial by map_filter; replaced List.concat by flat; replaced (flat o map) by maps, which produces less garbage;
2009-09-29 wenzelm 2009-09-29 explicit indication of Unsynchronized.ref;
2009-08-28 wenzelm 2009-08-28 modernized messages -- eliminated ctyp/cterm operations;
2009-07-21 wenzelm 2009-07-21 proper context for Display.pretty_thm etc. or old-style versions Display.pretty_thm_global, Display.pretty_thm_without_context etc.;
2009-06-23 haftmann 2009-06-23 tuned interfaces of datatype module
2009-06-19 haftmann 2009-06-19 discontinued ancient tradition to suffix certain ML module names with "_package"
2009-03-08 wenzelm 2009-03-08 moved basic algebra of long names from structure NameSpace to Long_Name;
2009-03-05 wenzelm 2009-03-05 renamed NameSpace.base to NameSpace.base_name; renamed NameSpace.map_base to NameSpace.map_base_name; eliminated alias Sign.base_name = NameSpace.base_name;
2009-03-01 wenzelm 2009-03-01 use long names for old-style fold combinators;
2009-01-21 haftmann 2009-01-21 binding replaces bstring
2008-12-31 wenzelm 2008-12-31 moved old add_type_XXX, add_term_XXX etc. to structure OldTerm;
2008-07-29 haftmann 2008-07-29 PureThy: dropped note_thmss_qualified, dropped _i suffix
2008-05-18 wenzelm 2008-05-18 moved global pretty/string_of functions from Sign to Syntax;
2008-05-17 wenzelm 2008-05-17 structure Display: less pervasive operations;
2008-02-28 wenzelm 2008-02-28 removed legacy ML bindings;
2007-08-30 wenzelm 2007-08-30 replaced ProofContext.infer_types by general Syntax.check_terms;
2007-05-31 wenzelm 2007-05-31 moved TFL files to canonical place;