1 files changed, 4 insertions, 2 deletions
diff --git a/byte.scm b/byte.scm
index b7e12da..2d410bd 100644
--- a/byte.scm
+++ b/byte.scm
@@ -1,5 +1,5 @@
 ;;; "byte.scm" small integers, not necessarily chars.
-; Copyright (c) 2001, 2002, 2003 Aubrey Jaffer
+; Copyright (C) 2001, 2002, 2003 Aubrey Jaffer
 ;
 ;Permission to copy this software, to modify it, to redistribute it,
 ;to distribute modified versions, and to use it for any purpose is
@@ -17,6 +17,8 @@
 ;promotional, or sales literature without prior written consent in
 ;each case.
 
+(require 'rev4-optional-procedures)	; string-copy
+
 ;;@code{(require 'byte)}
 ;;@ftindex byte
 ;;
@@ -80,7 +82,7 @@
 (define (bytes-reverse! bytes)
   (do ((idx 0 (+ 1 idx))
        (xdi (+ -1 (bytes-length bytes)) (+ -1 xdi)))
-      ((>= idx xdi) bytes)
+      ((> idx xdi) bytes)
     (let ((tmp (byte-ref bytes idx)))
       (byte-set! bytes idx (byte-ref bytes xdi))
       (byte-set! bytes xdi tmp))))