anchor.diff:  	    Includes = [I || {i,I} <- Options],
   	    read_config_file1(ModuleName,Includes);
   	{error,Reason} ->
  -	    file:format_error(Reason),
  -	    throw({error,{"error reading asn1 config file",Reason}})
  +	    Error = "error reading asn1 config file: " ++
  +		file:format_error(Reason),
  +	    throw({error,Error})
       end.
   read_config_file1(ModuleName,[]) ->
       case filename:extension(ModuleName) of
  
positive.code: 	{error,enoent} ->
  	    read_config_file1(ModuleName,T);
  	{error,Reason} ->
  	    file:format_error(Reason),
  	    throw({error,{"error reading asn1 config file",Reason}})
      end.
      
  get_config_info(CfgList,InfoType) ->
  
negative.code:     Ret = io:get_line(Stream,''),
      case Ret of
  	eof ->
  	    ok = file:close(Stream),
  	    lists:reverse(Acc);
  	FileName ->
  	    SuffixedNameList =
  