src/Pure/Isar/method.ML
1999-01-12 wenzelm 1999-01-12 eliminated tthm type and Attribute structure;
1998-11-18 wenzelm 1998-11-18 removed trace;
1998-11-17 wenzelm 1998-11-17 exception METHOD_FAIL;
1998-11-16 wenzelm 1998-11-16 several args parsers; realistic syntax; tuned;
1998-11-09 wenzelm 1998-11-09 Proof methods.