    # File lib/action_view/helpers/asset_tag_helper.rb, line 139
          def stylesheet_link_tag(*sources)
            options = sources.last.is_a?(Hash) ? sources.pop.stringify_keys : { }
            sources.collect do |source|
              source = stylesheet_path(source)
              tag("link", { "rel" => "Stylesheet", "type" => "text/css", "media" => "screen", "href" => source }.merge(options))
            end.join("\n")
          end