anchor.diff:  of a variable.")
       (:li (command-markup 'describe-class) ": Lookup a class documentation and all its slots.")
       (:li (command-markup 'describe-slot) ": Lookup a class slot value and documentation."))
  +   (:p "A good starting point is to study the documentation of the classes "
  +       (:code "browser") ", " (:code "window") ", " (:code "buffer") " and "
  +       (:code "minibuffer") ".")
   
      (:h2 "Configuration")
      (:p "Next is written in the Common Lisp programming language which offers a
  
positive.code:     (:li "+foo -bar (or (and john doe) (not (and tic tac toe)))"))
  
     (:h3 "Miscellaneous")
     (:p (command-markup 'quit) ": Close all Next windows and quit.")
  
     (:h2 "The Next Help System")
     (:p "Next provides introspective and help capabilities.  All commands,
  
negative.code:                      (make-minibuffer
                        :input-prompt \"Bookmark URL\")))
      (bookmark-add url)))"))
     (:p "See the " (:code "minibuffer") " class documentation for how to write
  write custom minibuffers.")
  
     (:h3 "Hooks")
     (:p "Hooks provide a powerful mechanism to tweak the behaviour of various
  