tuned proofs;
tuned error, according to "use" in General/secure.ML;
more standard method_setup;
enforce subgoal boundaries via SUBGOAL -- clean tactical failure if out-of-range;
enforce subgoal boundaries via SUBGOAL/SUBGOAL_CASES -- clean tactical failure if out-of-range;
more static checking of proof methods;
more symbols;
produce qualified names more directly;
merged
generalize more theorems
merged
tuned proofs
simplified internal datatype construction
tuned signature;
tuned signature;
more qualified names;
tuned;
more qualified names;
more qualified names;
a few new lemmas and generalisations of old ones
more qualified names;