class Money::Formatter

def append_currency_symbol(formatted_number)
  if rules[:with_currency]
    formatted_number << " "
    if rules[:html]
      formatted_number << "<span class=\"currency\">#{currency.to_s}</span>"
    elsif rules[:html_wrap]
      formatted_number << html_wrap(currency.to_s, "currency")
    else
      formatted_number << currency.to_s
    end
  end
  formatted_number
end