refined is_norm_hhf: reject beta-redexes (rules based on term nets or could_unify assume normal form), also potentially faster by avoiding expensive Envir.beta_eta_contract;

provide Simplifier.norm_hhf(_protect) as regular simplifier operation;

method parser: pass proper context;

merged

simplified method setup;

updated generated file;

simplifief 'method_setup' command;

spelling;

export method parser;

adapted 'method_setup' command to Method.setup;