(gnus-caesar-region): Replace `%' by `mod' and simplify.

diff --git a/lisp/gnus.el b/lisp/gnus.el
index 7ae7bf5213a041f6557471c6d0925c10c1452a65..64cc22626650040e88cf4d9498f01588af8674ba 100644 (file)
--- a/lisp/gnus.el
+++ b/lisp/gnus.el
@@ -2,7 +2,7 @@
 ;; Copyright (C) 1987, 1988, 1989, 1990, 1993 Free Software Foundation, Inc.
 
 ;; Author: Masanobu UMEDA <umerin@mse.kyutech.ac.jp>
-;; Version: $Header: /home/fsf/rms/e19/lisp/RCS/gnus.el,v 1.25 1993/07/27 23:12:22 rms Exp rms $
+;; Version: $Header: /home/gd/gnu/emacs/19.0/lisp/RCS/gnus.el,v 1.26 1993/07/28 08:35:38 rms Exp eggert $
 ;; Keywords: news
 
 ;; This file is part of GNU Emacs.
@@ -5157,8 +5157,7 @@ ROT47 will be performed for Japanese text in any case."
                   (list (prefix-numeric-value current-prefix-arg))
                 (list nil)))
   (cond ((not (numberp n)) (setq n 13))
-       ((< n 0) (setq n (- 26 (% (- n) 26))))
-       (t (setq n (% n 26))))          ;canonicalize N
+       (t (setq n (mod n 26))))        ;canonicalize N
   (if (not (zerop n))          ; no action needed for a rot of 0
       (progn
        (if (or (not (boundp 'caesar-translate-table))