# File lib/action_view/helpers/form_tag_helper.rb, line 416
      def submit_tag(value = "Save changes", options = {})
        options = options.stringify_keys

        if disable_with = options.delete("disable_with")
          ActiveSupport::Deprecation.warn ":disable_with option is deprecated and will be removed from Rails 4.0. Use 'data-disable-with' instead"

          options["data-disable-with"] = disable_with
        end

        if confirm = options.delete("confirm")
          ActiveSupport::Deprecation.warn ":confirm option is deprecated and will be removed from Rails 4.0. Use ':data => { :confirm => \'Text\' }' instead"

          options["data-confirm"] = confirm
        end

        tag :input, { "type" => "submit", "name" => "commit", "value" => value }.update(options)
      end