Eliminate another #f vs. '() bug.

diff --git a/v7/src/edwin/rmail.scm b/v7/src/edwin/rmail.scm
index f67c142a9f1b15591898e04b52f6e61e506d776a..9b76e68fa1701b394a44af93ea771f42c3b78d7b 100644 (file)
--- a/v7/src/edwin/rmail.scm
+++ b/v7/src/edwin/rmail.scm
@@ -1,6 +1,6 @@
 ;;; -*-Scheme-*-
 ;;;
-;;;    $Id: rmail.scm,v 1.30 1993/09/30 19:22:30 bal Exp $
+;;;    $Id: rmail.scm,v 1.31 1994/02/21 21:47:46 cph Exp $
 ;;;
 ;;;    Copyright (c) 1991-1993 Massachusetts Institute of Technology
 ;;;
@@ -980,9 +980,9 @@ original message into it."
                         (strings (loop fs)))
                     (if string
                         (cons string
-                              (if strings
-                                  (cons ", " strings)
-                                  '()))
+                              (if (null? strings)
+                                  '()
+                                  (cons ", " strings)))
                         strings))
                   '()))))))
     (and (not (null? strings))