# File lib/action_controller/rescue.rb, line 107
      def render_optional_error_file(status_code)
        status = interpret_status(status_code)
        locale_path = "#{Rails.public_path}/#{status[0,3]}.#{I18n.locale}.html" if I18n.locale
        path = "#{Rails.public_path}/#{status[0,3]}.html"

        if locale_path && File.exist?(locale_path)
          render :file => locale_path, :status => status, :content_type => Mime::HTML
        elsif File.exist?(path)
          render :file => path, :status => status, :content_type => Mime::HTML
        else
          head status
        end
      end