anchor.diff:  
       AGPL3
   
  -    Copyright Pascal J. Bourguignon 2002 - 2015
  +    Copyright Pascal J. Bourguignon 2002 - 2017
   
       This program is free software: you can redistribute it and/or modify
       it under the terms of the GNU Affero General Public License as published by
  
positive.code:                                     (otherwise item))) (cons name args)))))
        (error "Please assign a shell function to ~S" '*shell*)))
  
  (defmacro defcommand (name &optional docstring)
    "Define a macro named NAME taking any number of arguments, and
  calling the external program of same name thru the shell."
    `(defmacro ,name (&rest args)
       ,(or docstring (format nil "COMMAND~%Runs the ~A command." name))
       (list 'runcommand '',name (list 'quote args))))
  
  (defcommand cp)
  (defcommand mv)
  (defcommand make)
  (defcommand grep)
  
  
  (defvar *keep-dot-files* nil
  
negative.code: ;;;;LEGAL
  ;;;;    AGPL3
  ;;;;
  ;;;;    Copyright Pascal J. Bourguignon 2004 - 2017
  ;;;;
  ;;;;    This program is free software: you can redistribute it and/or modify
  ;;;;    it under the terms of the GNU Affero General Public License as published by
  