anchor.diff:  (defparameter *planet.reader.package*
     (defpackage :planet.reader
       (:use)
  -    (:import-from :planet :define-feed :define-planet)))
  +    (:import-from :planet :define-feed :define-planet :nil)))
   
   (defun load-feeds-from-file (path)
     (let ((*feeds* nil)
  
positive.code:            :feed
             :feed-author
             :feed-url
             :*feeds-ns-map*
             ))
  
  
negative.code: (defclass feed ()
    ((author :initarg :author :initform nil :reader feed-author)
     (url :initarg :url :reader feed-url)
     (category :initarg :category :initform nil :accessor feed-category)))
  
  (defgeneric find-feed-entities (feed rawfeed))
  (defgeneric parse-feed-entry (feed rawentry))
  