◊(Local Yarn Code "Diff")

          [(and (note-count . > . 0) (string=? disposition ""))
           (format "There is <a href=\"/~a#furthernotes\">a note</a> appended."
                   pagenode)]
          [else ""]))
  
  (cond [(andmap non-empty-string? (list series-part disp-part notes-part))
  (cond [(ormap non-empty-string? (list series-part disp-part notes-part))
         (format "~a ~a ~a" series-part disp-part notes-part)]
        [else ""]))
    

;; ~~~ Notes ~~~