Fix bug: typo in CASE-FOLD-CHAR-SET.

diff --git a/v7/src/runtime/rexp.scm b/v7/src/runtime/rexp.scm
index 1edc5e1d32f5a474a6c5ea6bd211e80dc9237f35..ede81cd42c796eeef9fcbb394577412a96e1045c 100644 (file)
--- a/v7/src/runtime/rexp.scm
+++ b/v7/src/runtime/rexp.scm
@@ -1,8 +1,8 @@
 #| -*-Scheme-*-
 
-$Id: rexp.scm,v 1.19 2002/11/20 19:46:22 cph Exp $
+$Id: rexp.scm,v 1.20 2002/12/19 21:31:29 cph Exp $
 
-Copyright (c) 2000, 2001 Massachusetts Institute of Technology
+Copyright (c) 2000, 2001, 2002 Massachusetts Institute of Technology
 
 This file is part of MIT Scheme.
 
@@ -228,7 +228,8 @@ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
   (let loop ((chars (char-set-members c)) (chars* '()))
     (if (pair? chars)
        (loop (cdr chars)
-             (if (char-alphabetic? c)
-                 (cons* (char-upcase c) (char-downcase c) chars*)
-                 chars*))
+             (let ((c (car chars)))
+               (if (char-alphabetic? c)
+                   (cons* (char-upcase c) (char-downcase c) chars*)
+                   chars*)))
        (apply char-set chars*))))
\ No newline at end of file