anchor.diff:      (:p "See the " (:code "search-engines") " buffer slot documentation.
   Bookmarks can also be used as search engines, see the corresponding section.")
       (:p "Nyxt comes with two search engines by default: DuckDuckGo and Wikipedia.
  -you can append new search engines easily using the following template.")
  +The following example shows one way to add new search engines.")
       (:pre (:code "
   \(defvar `*my-search-engines*'
   \"list of search engines.\"
  
positive.code:   ((search-engines (append (mapcar (lambda (engine) (apply 'make-search-engine engine))
                                     *my-search-engines*)
                             %slot-default%))))"))
      (:p " It is to be noted that the last member in the search-engines is the default
  search engine of the browser. For example, in order to make python3 as the default browser,
  the above code can slightly be modified as follows.")
          (:pre (:code "
  \(defvar *my-search-engines*
    (list
  
negative.code:    '(\"python3\" \"https://docs.python.org/3/search.html?q=~a\" \"https://docs.python.org/3\")))
  
  (define-configuration buffer
    ((search-engines (append %slot-default%
                             (mapcar (lambda (engine) (apply 'make-search-engine engine))
                                     *my-search-engines*)))))"))
  
      (:h3 "URL-dispatchers")
      (:p "You can configure which actions to take depending on the URL to be
  