* Eliminated destructive theorem database. * Commands 'use' and 'ML' are now purely functional; added diagnostic 'ML_val'.

eliminated quiete_mode ref (not really needed);

eliminated quiete_mode ref (turned into proper argument);

eliminated quiete_mode ref (unused);

eliminated quiet_mode ref of some packages (avoid CRITICAL setmp!);

added forget_structure;

eval_wrapper: non-critical version via unique Isabelle structure, proper forget_structure;

ml_tactic: non-critical version via proof data and thread data;

NAMED_CRITICAL;

unfold_locales now part of default tactic

import Main explicitly

dropped now superfluous ad-hoc adaption

not depends on Main any longer

accomodated to sledgehammer theory dependency requirement

only invoke interpret

updated generated file;

Context.>> : operate on Context.generic;

avoid rebinding of existing facts;

some styling

some styling

some styling

tuned proofs

tuned;

updated dependencies;