rv= parser->RemoveDuplicateAddresses(msgCompHeaderInternalCharset(), addresses, anothersAddresses, removeAliasesToMe, newAddress);
rv= parser->RemoveDuplicateAddresses("UTF-8", addresses, anothersAddresses, removeAliasesToMe, newAddress);
static nsresult RemoveDuplicateAddresses(const char * addresses, const char * anothersAddresses, PRBool removeAliasesToMe, char** newAddress){	nsresult rv;	nsCOMPtr<nsIMsgHeaderParser> parser (do_GetService(kHeaderParserCID));	if (parser)		rv= parser->RemoveDuplicateAddresses(msgCompHeaderInternalCharset(), addresses, anothersAddresses, removeAliasesToMe, newAddress);	else		rv = NS_ERROR_FAILURE;	return rv;}