code: private String _write_multi_line(String tag, String text) {
  		if (text == null) {
  			text = "";
  		}
  		int max_len = MAX_WIDTH - HEADER_WIDTH;
  		ArrayList<String> lines = _split_multi_line(text, max_len);
  		String output = _write_single_line(tag, lines.get(0));
  		for (int i = 1; i < lines.size(); i++) {
  			output += _write_single_line("", lines.get(i));
  		}
  		return output;
  	}
docs: Used in the the 'header' of each GenBank record.
  
  @param tag
  @param text