anchor.diff:  	    case is_process_alive(Pid) of
   		true ->
   		    {true, Pid};
  -		_ ->
  +		false ->
   		    {false, Pid}
   	    end;
   	E ->
  
positive.code: %%--------------------------------------------------------------------
  %% Function: isnumeric(Number)
  %%           Number = string()
  %% Descrip.: determine if Number is a string containing only numbers,
  %%           length must be >= 1
  %% Returns : true | false
  %% Note    : Using the BIF list_to_integer() is probably cheaper.
  %%--------------------------------------------------------------------
  
negative.code: 
  %%--------------------------------------------------------------------
  %% Function: sec_to_date(Seconds)
  %%           Seconds = integer(), seconds since start point used by
  %%                     now()
  %% Descrip.: Takes a Seconds value (e.g. from timestamp/0 above) and
  %%           returns a nicely formatted date-time string.
  %% Returns : string(), "yyyy-mm-dd hh:mm:ss"
  %%--------------------------------------------------------------------
  sec_to_date(never) ->
      "never";
  