clarified signature;

more direct access to Simplifier.mk_cong, to avoid odd Simpdata.mk_meta_cong seen in the wild;

tuned;

support for congprocs in the Simplifier, closely following Norbert Schirmer et-al, but with only one "simproc" name space and "simproc_setup" command / ML antiquotation;

tuned;

tuned: anticipate congprocs;

clarified signature;

tuned signature (again): anticipate different kinds of procs;

clarified context data; tuned: more antiquotations;

tuned: prefer canonical argument order;

tuned: more antiquotations;

tuned: prefer canonical argument order;

clarified signature: less redundant types;

clarified signature;

unused (see d12c58e12c51);

tuned signature: support more general procedures;

merged

tuned: more antiquotations;

tuned;

tuned: more antiquotations;

tuned whitespace;

more robust (amending 8f53fa93d5f0): R could be anything and Thm.instantiate' involves some type-checks, e.g. relevant for lemma fset_simps in theory Quotient_Examples.Quotient_FSet;

tuned modules;

misc tuning;