anchor.diff:      (let* ((help-contents
                (str:concat
                 (markup:markup
  +               (:style (style help-buffer))
                  (:h1 "Nyxt tutorial")
                  (:p "The following tutorial introduces the core concepts and the
   basic usage.  For more details, especially regarding the configuration, see
  
positive.code:                       :activate t
                        :buffer (make-internal-buffer :title "*Manual*"))))
      (set-current-buffer help-buffer)
      (let* ((help-contents (manual-content))
             (insert-help (ps:ps (setf (ps:@ document Body |innerHTML|)
                                       (ps:lisp help-contents)))))
        (ffi-buffer-evaluate-javascript help-buffer insert-help))
  
negative.code:                                                      (symbol-name input)
                                                       "*"))))
             (help-contents (markup:markup
                             (:style (style help-buffer))
                             (:h1 (format nil "~s" input)) ; Use FORMAT to keep package prefix.
                             (:pre (documentation input 'variable))
                             (:h2 "Current Value:")
  