anchor.diff:  	{match, List} ->
   	    apply_rewrite(Rewrite, List);
   	nomatch ->
  -	    regexp_rewrite(Input, Rest);
  -	{error, Error} ->
  -	    logger:log(normal, "Error in regexp ~p: ~p", [Regexp, Error]),
  -	    []
  +	    regexp_rewrite(Input, Rest)
       end.
   
   %% Function:
  
positive.code: %%           LogTag = string() - application name (???)
  %%           PidIn = pid() | atom()
  %%           Message = string()
  %% Descrip.: ???
  %% Returns : ok | error
  %%--------------------------------------------------------------------
  safe_signal(LogTag, PidIn, Message) ->
  
negative.code: %% 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.
  %%--------------------------------------------------------------------
  isnumeric(Number) when is_list(Number) ->
      Pattern = "^[0-9]+\$",
  