provide canonical add_tvar_namesT, add_tvar_names, add_tfree_namesT, add_tfree_names, add_free_names; renamed add_varnames to add_var_names; removed old add_typ_ixns, add_term_tvar_ixns;
provide canonical add_tvar_namesT, add_tvar_names, add_tfree_namesT, add_tfree_names, add_free_names;
renamed add_varnames to add_var_names;
removed old add_typ_ixns, add_term_tvar_ixns;

MerelyAPseudonym/isabelle,MerelyAPseudonym/isabelle,MerelyAPseudonym/isabelle,MerelyAPseudonym/isabelle,MerelyAPseudonym/isabelle,MerelyAPseudonym/isabelle