wenzelm [Sun, 15 Jan 2006 19:58:53 +0100] rev 18690
classical attributes: optional weight;
wenzelm [Sun, 15 Jan 2006 19:58:51 +0100] rev 18689
prefer ex1I over ex_ex1I in single-step reasoning;
wenzelm [Sat, 14 Jan 2006 22:25:34 +0100] rev 18688
generic attributes;
wenzelm [Sat, 14 Jan 2006 17:20:51 +0100] rev 18687
tuned;
wenzelm [Sat, 14 Jan 2006 17:15:24 +0100] rev 18686
* ML/Isar: simplified treatment of user-level errors;
wenzelm [Sat, 14 Jan 2006 17:14:18 +0100] rev 18685
sane ERROR vs. TOPLEVEL_ERROR handling;
added program;
wenzelm [Sat, 14 Jan 2006 17:14:17 +0100] rev 18684
added Isar.toplevel;
wenzelm [Sat, 14 Jan 2006 17:14:16 +0100] rev 18683
Output.error_msg;
wenzelm [Sat, 14 Jan 2006 17:14:15 +0100] rev 18682
removed special ERROR handling stuff (transform_error etc.);
moved plain ERROR/error to library.ML;
added toplevel_errors, exception TOPLEVEL_ERROR;
error_msg, panic, info, debug no longer pervasive;
wenzelm [Sat, 14 Jan 2006 17:14:14 +0100] rev 18681
added exception ERROR, error, cat_error, sys_error, assert, deny, assert_all;
added transform_failure;
added prefix;