diff --git a/app/demo/etc/config.lisp b/app/demo/etc/config.lisp
index 8fe5174..68d9fe8 100644
--- a/app/demo/etc/config.lisp
+++ b/app/demo/etc/config.lisp
@@ -16,3 +16,4 @@
       (() server:fileserver :doc-root 
             ,(util:absolute-dir (config:from-env :docroot "/var/www/html")))))
             ;,(config:directory "/var/www/html" :env :docroot)
+(config:add-action '(:test :data) #'core:echo)
diff --git a/web/dom.lisp b/web/dom.lisp
index b0c762e..f1cada7 100644
--- a/web/dom.lisp
+++ b/web/dom.lisp
@@ -4,7 +4,7 @@
   (:use :common-lisp)
   (:local-nicknames (:util :scopes/util)
                     (:alx :alexandria))
-  (:export #:elem #:element #:render
+  (:export #:elem #:element #:void-element #:render
            #:dlist))
 
 (in-package :scopes/web/dom)
@@ -38,6 +38,14 @@
         (put c))
       (end tag))))
 
+(defclass void-element (element) ())
+
+(defun void-element (tag attrs)
+  (make-instance 'void-element :tag tag :attrs attrs))
+
+(defmethod put ((el void-element))
+  (start (tag el) (attrs el)))
+
 ;;;; elements with specific functionality
 
 (defun dlist (attrs plist)