diff --git a/docs/pattern/survey-examples/user-research.org b/docs/pattern/survey-examples/user-research.org
index e5f25e6..efac789 100644
--- a/docs/pattern/survey-examples/user-research.org
+++ b/docs/pattern/survey-examples/user-research.org
@@ -165,67 +165,101 @@
 
 * System Usability Scale
 
-Ich würde dieses System gerne häufig nutzen.
-Das System ist unnötig komplex.
-Das System ist einfach zu bedienen.
-Ich brauche die Unterstützung einer technischen Person, um dieses System zu benutzen.
-Die Funktionen in diesem System sind gut integriert.
-Es gibt zu viele Ungereimtheiten in diesem System.
-Die meisten Leute würden sehr schnell lernen, dieses System zu benutzen.
-Das System ist sehr umständlich zu bedienen.
-Ich fühle mich sehr sicher im Umgang mit diesem System.
-Ich musste eine Menge lernen, um mit diesem System arbeiten zu können.
-
-#+name: sus-survey
+#+name: example-sus-form-en
+#+caption: Lisp code to generate a SUS form in HTML.
 #+begin_src lisp :results output file :file-ext html
-  (in-package :user-research-app)
+  (defpackage sus
+    (:use #:cl)
+    (:import-from hunchentoot #:define-easy-handler #:easy-acceptor)
+    (:import-from spinneret #:*html*)
+    (:import-from dev.metalisp.sbt/form #:multi-form)
+    (:import-from dev.metalisp.sbt #:with-page)
+    (:import-from dev.metalisp.sbt #:find-l10n)
+    (:import-from dev.metalisp.sbt #:*l10n*)
+    (:import-from dev.metalisp.sbt/btn #:btn-primary))
 
-  (defun generate-sus-survey ()
-    "Generates an HTML page with questionnaires using questionnaire macros."
-    (with-output-to-string (spinneret:*html*)
-      (with-page (:title "System Usability Scale" :main-con t)
-        (questionnaire "/submit"
+  (in-package #:sus)
 
-          (:ask "I’d like to use this system frequently."
-           :group "sus-1"
-           :choices (:single "Strongly Disagree" "Disagree" "Neither Agree nor Disagree" "Agree" "Strongly Agree"))
+  (defun sus-form ()
+    (with-page (:title "SUS Form" :main-con t)
+      (:form :action "/submit"
+             :method "post"
+             (multi-form
+               (:ask "I’d like to use this system frequently."
+                :group "sus-1"
+                :style nil
+                :choices (:single "Strongly Disagree" "Disagree" "Neither Agree nor Disagree" "Agree" "Strongly Agree"))
 
-          (:ask "The system is unnecessarily complex."
-           :group "sus-2"
-           :choices (:single "Strongly Disagree" "Disagree" "Neither Agree nor Disagree" "Agree" "Strongly Agree"))
+               (:ask "The system is unnecessarily complex."
+                :group "sus-2"
+                :style nil
+                :choices (:single "Strongly Disagree" "Disagree" "Neither Agree nor Disagree" "Agree" "Strongly Agree"))
 
-          (:ask "The system is easy to use."
-           :group "sus-3"
-           :choices (:single "Strongly Disagree" "Disagree" "Neither Agree nor Disagree" "Agree" "Strongly Agree"))
+               (:ask "The system is easy to use."
+                :group "sus-3"
+                :style nil
+                :choices (:single "Strongly Disagree" "Disagree" "Neither Agree nor Disagree" "Agree" "Strongly Agree"))
 
-          (:ask "I need the support of a technical person to use this system."
-           :group "sus-4"
-           :choices (:single "Strongly Disagree" "Disagree" "Neither Agree nor Disagree" "Agree" "Strongly Agree"))
+               (:ask "I need the support of a technical person to use this system."
+                :group "sus-4"
+                :style nil
+                :choices (:single "Strongly Disagree" "Disagree" "Neither Agree nor Disagree" "Agree" "Strongly Agree"))
 
-          (:ask "The functions in this system are well integrated."
-           :group "sus-5"
-           :choices (:single "Strongly Disagree" "Disagree" "Neither Agree nor Disagree" "Agree" "Strongly Agree"))
+               (:ask "The functions in this system are well integrated."
+                :group "sus-5"
+                :style nil
+                :choices (:single "Strongly Disagree" "Disagree" "Neither Agree nor Disagree" "Agree" "Strongly Agree"))
 
-          (:ask "There is too much inconsistency in this system."
-           :group "sus-6"
-           :choices (:single "Strongly Disagree" "Disagree" "Neither Agree nor Disagree" "Agree" "Strongly Agree"))
+               (:ask "There is too much inconsistency in this system."
+                :group "sus-6"
+                :style nil
+                :choices (:single "Strongly Disagree" "Disagree" "Neither Agree nor Disagree" "Agree" "Strongly Agree"))
 
-          (:ask "Most people would learn to use this system very quickly."
-           :group "sus-7"
-           :choices (:single "Strongly Disagree" "Disagree" "Neither Agree nor Disagree" "Agree" "Strongly Agree"))
+               (:ask "Most people would learn to use this system very quickly."
+                :group "sus-7"
+                :style nil
+                :choices (:single "Strongly Disagree" "Disagree" "Neither Agree nor Disagree" "Agree" "Strongly Agree"))
 
-          (:ask "The system is very awkward to use."
-           :group "sus-8"
-           :choices (:single "Strongly Disagree" "Disagree" "Neither Agree nor Disagree" "Agree" "Strongly Agree"))
+               (:ask "The system is very awkward to use."
+                :group "sus-8"
+                :style nil
+                :choices (:single "Strongly Disagree" "Disagree" "Neither Agree nor Disagree" "Agree" "Strongly Agree"))
 
-          (:ask "I feel very confident using this system."
-           :group "sus-9"
-           :choices (:single "Strongly Disagree" "Disagree" "Neither Agree nor Disagree" "Agree" "Strongly Agree"))
+               (:ask "I feel very confident using this system."
+                :group "sus-9"
+                :style nil
+                :choices (:single "Strongly Disagree" "Disagree" "Neither Agree nor Disagree" "Agree" "Strongly Agree"))
 
-          (:ask "I needed to learn a lot of things to get started with this system."
-           :group "sus-10"
-           :choices (:single "Strongly Disagree" "Disagree" "Neither Agree nor Disagree" "Agree" "Strongly Agree"))
-  ))))
+               (:ask "I needed to learn a lot of things to get started with this system."
+                :group "sus-10"
+                :style nil
+                :choices (:single "Strongly Disagree" "Disagree" "Neither Agree nor Disagree" "Agree" "Strongly Agree")))
 
-  (format t (generate-sus-survey))
+             (btn-primary (:type "submit")
+               (find-l10n "submit" spinneret:*html-lang* *l10n*)))))
+
+  (defun handle-server (server)
+    (lambda (action)
+      (case action
+        (start (hunchentoot:start server))
+        (stop (hunchentoot:stop server)))))
+
+  (defparameter *sus*
+    (handle-server (make-instance 'easy-acceptor :port 8080)))
+
+  (define-easy-handler (sus :uri "/") ()
+    (sus-form))
+
+  (define-easy-handler (submit :uri "/submit") ()
+    (setf (hunchentoot:content-type*) "text/plain")
+    (format nil "Handled POST parameters: ~a" (hunchentoot:post-parameters* hunchentoot:*request*)))
+
+  (format t (sus-form))
+#+end_src
+
+#+RESULTS: example-sus-form-en
+[[file:example-sus-form-en.html]]
+
+#+begin_src shell :results raw
+curl -X POST -d "arg1=value1&arg2=value2" http://localhost:8080/submit
 #+end_src