directives. Some files had more than one existing Emacs directives,
breaking the script which didn't expect this.
-;;;; -*- Mode: Lisp; Syntax: Common-Lisp; indent-tabs-mode: nil; Package: CLOS
-(WALKER -*-
+;;;; -*- Mode: Lisp; Syntax: Common-Lisp; indent-tabs-mode: nil; Package: WALKER
;;;; vim: set filetype=lisp tabstop=8 shiftwidth=2 expandtab:
;;;;
;;;; -*- Mode: Lisp; Syntax: Common-Lisp; indent-tabs-mode: nil; Package: SYSTEM
-(DEFPACKAGE -*-
;;;; vim: set filetype=lisp tabstop=8 shiftwidth=2 expandtab:
;;;;