;;;; Programmer: Kevin M. Rosenberg
;;;; Date Started: Apr 2000
;;;;
-;;;; $Id: genutils.lisp,v 1.6 2002/11/04 18:02:13 kevin Exp $
+;;;; $Id: genutils.lisp,v 1.7 2002/11/04 19:19:04 kevin Exp $
;;;;
;;;; This file, part of KMRCL, is Copyright (c) 2002 by Kevin M. Rosenberg
;;;;
(defun indent-spaces (n &optional (stream *standard-output*))
"Indent n*2 spaces to output stream"
- (let ((fmt (format nil "~~~DT" (+ n n))))
- (format stream fmt)))
+ (when (numberp n)
+ (let ((fmt (format nil "~~~DT" (+ n n))))
+ (format stream fmt))))
(defun print-list (l &optional (output *standard-output*))
"Print a list to a stream"