anchor.diff:         ;; TODO: Add keybindings for commands, like in `nyxt::command-markup'.
          (:code ,@(progn
                     (remf attr :class)
  -                  (remf attr :slot-of)
  +                  (remf attr :slot)
                     (remf attr :function)
                     (remf attr :command)
                     (remf attr :variable)
                     (remf attr :package)
                     attr)
                 (let ((*print-case* :downcase))
  -                (format nil "~a" ,(or (first body) package variable function command class))))))
  +                (format nil "~a" ,(or (first body) package variable function command slot class))))))
  
positive.code:                                           :universal t :fn ,function))
                  (command `(nyxt:nyxt-url (read-from-string "nyxt:describe-command")
                                           :universal t :command ,command))
                  (class `(nyxt:nyxt-url (read-from-string "nyxt:describe-class")
                                         :universal t :class ,class))
                  (slot-of `(nyxt:nyxt-url (read-from-string "nyxt:describe-slot")
                                           :universal t :name ,(first body) :class ,slot-of))
                  (t `(nyxt:javascript-url
                       (ps:ps (nyxt/ps:lisp-eval
                               (:title "describe-any")
  
negative.code: (deftag :nscript (body attrs &key &allow-other-keys)
    `(:script ,@attrs (:raw ,@body)))
  
  (spinneret:deftag :nxref (body attr &key slot class function command variable package &allow-other-keys)
    `(:a :href ,(cond
                  (package `(nyxt:nyxt-url (read-from-string "nyxt:describe-package")
                                           :universal t :package ,package))
  