anchor.diff:  %% Descrip.: create a single string from the Strings entries, each
   %%           entry ends with the Separator.
   %% Returns : list()
  +%%
   %% XXX badly chosen function name - I mostly associate this name with
   %% functions that add a element to a list - hsten
  +%%
  +%% XXX Function seems to be unused, and kind of useless (?).
   %%--------------------------------------------------------------------
   concat([], _Separator) ->
       [];
  
positive.code: %% Test functions
  %%====================================================================
  
  
negative.code: 	 concat/2,
  	 safe_is_process_alive/1,
  	 safe_signal/3,
  	 remove_v6_brackets/1,
  
  	 test/0
  	]).
  
  %%--------------------------------------------------------------------
  