anchor.diff:  
   [source, clojure]
   ----
  -(require '[catacumba.handlers :as handlers])
  +(require '[catacumba.handlers.security :as sec])
   
   (def app
     (ct/routes [[:prefix "web"
  -               [:any (handlers/frame-options-headers {:policy :deny})]
  +               [:any (sec/frame-options-headers {:policy :deny})]
                  [:get your-handler]]]))
   ----
   
  
positive.code: 
  [source, clojure]
  ----
  (require '[catacumba.handlers.parsing :as parsing])
  (import 'ratpack.http.TypedData
          'ratpack.handling.Context)
  
  (defmethod parsing/parse :application/xml
    [^Context ctx ^TypedData body]
    ;; your parsing logic here
    )
  
negative.code: ----
  (def app
    (ct/routes [[:prefix "admin"
                 [:any (session/session {:storage :inmemory})]
                 [:get your-handler]]
                [:prefix "api"
                 [:get "users" other-handler]
  