--- xlprin.c.orig	Wed Sep 16 14:10:41 1998
+++ xlprin.c	Thu Dec 23 16:37:04 1999
@@ -808,7 +808,7 @@
 	    }
         /* check for the first character being '#'
             or string looking like a number */
-        if (*str == '#' || isnumber(str,NULL))
+        if (*str == '#' || xl_isnumber(str,NULL))
             xlputc(fptr,'\\');
     }
 
