X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;ds=sidebyside;f=genutils.lisp;h=55751ff84fb41faf7ed51fc9cb23b76eb360ae11;hb=d691dfbbed177726ba5a5313e23568c21e045359;hp=e13e46c69279fb80db6228248d318e6840b84669;hpb=933317b82c3441aa75c2c5375e25d1929bc80045;p=kmrcl.git

diff --git a/genutils.lisp b/genutils.lisp
index e13e46c..55751ff 100644
--- a/genutils.lisp
+++ b/genutils.lisp
@@ -7,7 +7,7 @@
 ;;;; 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
 ;;;;
@@ -294,8 +294,9 @@
 
 (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"