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[gnu-emacs] / lisp / international / iso-ascii.el

diff --git a/lisp/international/iso-ascii.el b/lisp/international/iso-ascii.el
index 150049af5b45cef8fe3e4338ed5b9e071b9e8bc9..4e8c76a69908609be61a087b55c4fb9c4d18fc58 100644 (file)
--- a/lisp/international/iso-ascii.el
+++ b/lisp/international/iso-ascii.el
@@ -1,10 +1,10 @@
 ;;; iso-ascii.el --- set up char tables for ISO 8859/1 on ASCII terminals
 
-;; Copyright (C) 1987, 1995, 1998, 2001, 2002, 2003, 2004,
-;;   2005, 2006, 2007, 2008  Free Software Foundation, Inc.
+;; Copyright (C) 1987, 1995, 1998, 2001-2016 Free Software Foundation,
+;; Inc.
 
 ;; Author: Howard Gayle
-;; Maintainer: FSF
+;; Maintainer: emacs-devel@gnu.org
 ;; Keywords: i18n
 
 ;; This file is part of GNU Emacs.
@@ -40,7 +40,7 @@
   :group 'i18n)
 
 (defcustom iso-ascii-convenient nil
-  "*Non-nil means `iso-ascii' should aim for convenience, not precision."
+  "Non-nil means `iso-ascii' should aim for convenience, not precision."
   :type 'boolean
   :group 'iso-ascii)
 
@@ -162,17 +162,20 @@
 (iso-ascii-display 254 "th")  ; small thorn, Icelandic
 (iso-ascii-display 255 "\"y") ; small y with diaeresis or umlaut mark
 
-(defun iso-ascii-mode (arg)
-  "Toggle ISO-ASCII mode."
-  (interactive "P")
-  (unless arg
-    (setq arg (eq standard-display-table iso-ascii-standard-display-table)))
-  (setq standard-display-table
-       (if arg
-           iso-ascii-display-table
-         iso-ascii-standard-display-table)))
+(define-minor-mode iso-ascii-mode
+  "Toggle ISO-ASCII mode.
+With a prefix argument ARG, enable the mode if ARG is positive,
+and disable it otherwise.  If called from Lisp, enable the mode
+if ARG is omitted or nil."
+  :variable ((eq standard-display-table iso-ascii-display-table)
+             . (lambda (v)
+                 (setq standard-display-table
+                       (cond
+                        (v iso-ascii-display-table)
+                        ((eq standard-display-table iso-ascii-display-table)
+                         iso-ascii-standard-display-table)
+                        (t standard-display-table))))))
 
 (provide 'iso-ascii)
 
-;; arch-tag: 687edf0d-f792-471e-b50e-be805938359a
 ;;; iso-ascii.el ends here