diff -ur cl-regex-1.orig/macs.lisp cl-regex-1/macs.lisp
--- cl-regex-1.orig/macs.lisp	2002-10-06 13:30:14.000000000 -0500
+++ cl-regex-1/macs.lisp	2006-11-15 23:02:58.000000000 -0600
@@ -517,7 +517,7 @@
   nil)
 
 
-(defconstant +special-class-names+
+(cl+:defconst +special-class-names+
   '((":alpha:" alpha) (":upper:" upper) (":lower:" lower) (":digit:" digit)
     (":alnum:" alnum) (":xdigit:" xdigit) (":odigit:" odigit) (":punct:" punct)
     (":space:" space) (":word:" wordchar)))