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+/* Header for UTF-8 buffer/string representation.
+   Copyright (C) 1999 Electrotechnical Laboratory, JAPAN.
+   Licensed to the Free Software Foundation.
+
+This file is part of XEmacs.
+
+XEmacs is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+XEmacs is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with XEmacs; see the file COPYING.  If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+/* Rewritten by MORIOKA Tomohiko <tomo@m17n.org>. */
+
+#ifndef _XEMACS_MB_UTF_8_H
+#define _XEMACS_MB_UTF_8_H
+
+/************************************************************************/
+/*                     Operations on individual bytes                   */
+/*                       in a Mule-formatted string                     */
+/************************************************************************/
+
+/* Does this byte represent the first byte of a character? */
+
+INLINE int
+BUFBYTE_FIRST_BYTE_P(Bufbyte c)
+{
+  return (c <= 0x7f) || (0xc0 <= c);
+}
+
+#endif /* _XEMACS_MB_UTF_8_H */