diff --git a/yatex.el b/yatex.el
index b9c1a1c..05be13a 100644
--- a/yatex.el
+++ b/yatex.el
@@ -1,6 +1,6 @@
 ;;; yatex.el --- Yet Another tex-mode for emacs //�쒹// -*- coding: sjis -*-
 ;;; (c)1991-2015 by HIROSE Yuuji.[yuuji@yatex.org]
-;;; Last modified Wed Jul  8 13:29:03 2015 on duke
+;;; Last modified Wed Jul  8 13:33:56 2015 on duke
 ;;; $Id$
 ;;; The latest version of this software is always available at;
 ;;; http://www.yatex.org/
@@ -617,7 +617,7 @@
 (if YaTeX-mode-syntax-table-nonparen nil
   (setq YaTeX-mode-syntax-table-nonparen
 	(make-syntax-table YaTeX-mode-syntax-table))
-  (let ((zenparens "()�i�j�u�v�w�x�y�z�s�t") (i 0) s)
+  (let ((zenparens "()�i�j�u�v�w�x�y�z�m�n�o�p�s�t") (i 0) s)
     (while (string-match "." zenparens i)
       (setq s (substring zenparens (match-beginning 0) (match-end 0))
 	    i (1+ i))