2008-03-27 ago added process_file;
2008-03-26 ago adapted to Context.thread_data interface;
2008-03-18 ago theory loader: discontinued *attached* ML scripts;
2008-03-15 ago tuned messages;
2008-01-05 ago secure_main: removed separate welcome;
2008-01-01 ago try_ml_file: setmp explicit theory context, prevents race condition wrt. concurrent ML_Context.set_context;
2007-12-17 ago cond_timeit: added message argument;
2007-12-08 ago secure_main: enforces terminator, to gain robustness;
2007-12-07 ago added off-line parse;
2007-12-04 ago added Isar.secure_main;
2007-10-06 ago report on keyword/command declarations;
2007-10-06 ago simplified interfaces for outer syntax;
2007-08-08 ago load_thy: try_ml_file unconditionally;
2007-07-30 ago marked some CRITICAL sections;
2007-07-29 ago load_thy: avoid reloading of text;
2007-07-23 ago marked some CRITICAL sections;
2007-07-20 ago simplified ThyLoad interfaces: only one additional directory;
2007-07-19 ago moved deps_thy to ThyLoad (independent of outer syntax);
2007-07-12 ago exported command_keyword;
2007-07-10 ago export get_lexicons;
2007-07-10 ago nested source: explicit interactive flag for recover avoids duplicate errors;
2007-07-09 ago toplevel_source: interactive flag indicates intermittent error_msg;
2007-04-30 ago explicit treatment of legacy_features;
2007-01-19 ago renamed IsarOutput to ThyOutput;
2007-01-19 ago adapted ML context operations;
2006-12-30 ago refrain from setting ml_prompts again;
2006-12-30 ago Toplevel.init_state;
2006-12-15 ago avoid conflict with Alice keywords: renamed pack -> implode, unpack -> explode, any -> many, avoided assert;
2006-11-23 ago prefer Proof.context over Context.generic;
2006-11-17 ago added Isar.goal;
2006-11-07 ago Isar.context: proper error;
2006-08-03 ago removed OldGoals.legacy flag (always warn);
2006-07-06 ago added Isar.context;
2006-04-27 ago tuned basic list operators (flat, maps, map_filter);
2006-02-15 ago check_text: Toplevel.node option;
2006-01-19 ago run_thy: removed Output.toplevel_errors;
2006-01-14 ago added Isar.toplevel;
2005-12-01 ago tuned msg;
2005-11-02 ago added Isar.state/exn;
2005-10-21 ago load_file: setmp OldGoals.legacy true;
2005-10-19 ago removed old-style theory format;
2005-09-15 ago TableFun/Symtab: curried lookup and update;
2005-09-06 ago tuned msg;
2005-09-05 ago tuned check_text;
2005-09-03 ago tuned msg;
2005-09-03 ago deprecated non-Isar theory file format;
2005-09-01 ago curried_lookup/update;
2005-08-29 ago use AList operations;
2005-08-18 ago fixed command prompt (was broken due to P.tags);
2005-08-16 ago moved structure Keyword to OuterKeyword (Isar/outer_keyword.ML);
2005-07-19 ago Inttab.defined;
2005-07-06 ago dest_parsers: sort result;
2005-06-02 ago tuned;
2005-05-17 ago re-init ml_prompts after loop termination;
2005-05-17 ago tuned;
2005-04-23 ago added structure Isar (from isar.ML);
2005-03-03 ago Move towards standard functions.
2005-02-13 ago Deleted Library.option type.
2004-10-01 ago Allow scanning to recover and reconstruct bad input
2004-08-23 ago Adapted to new interface of function ThyLoad.check_file