anchor.diff:      Mod = binary_to_atom(Mod0, utf8),
       Fun = binary_to_atom(Fun0, utf8),
       proc_lib:spawn(fun() -> Mod:Fun(Obj) end);
  +
   invoke_hook(postcommit, undefined, undefined, _JSName, _Obj) ->
       error_logger:warning_msg("Javascript post-commit hooks aren't implemented");
   %% NOP to handle all other cases
  
positive.code:     RObj.
  
  merge_robjs(RObjs0,AllowMult) ->
      RObjs1 = [X || X <- [riak_kv_util:obj_not_deleted(O) ||
                              O <- RObjs0], X /= undefined],
      case RObjs1 of
          [] -> {error, notfound};
          _ -> riak_object:reconcile(RObjs1,AllowMult)
  
negative.code: 
  has_postcommit_hooks(Bucket) ->
      lists:flatten(proplists:get_all_values(postcommit, riak_core_bucket:get_bucket(Bucket))) /= [].
  