# File lib/slack-notifier/util/link_formatter.rb, line 44
        def formatted
          return @orig unless @orig.respond_to?(:gsub)

          sub_markdown_links(sub_html_links(@orig))
        rescue => e
          raise e unless RUBY_VERSION < "2.1" && e.message.include?("invalid byte sequence")
          raise e, "#{e.message}. Consider including the 'string-scrub' gem to strip invalid characters"
        end