--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/iso-wide.h	Mon Aug 13 08:45:50 2007 +0200
@@ -0,0 +1,49 @@
+/* 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.  */
+
+/* Synched up with: Not in FSF. */
+
+#ifndef _XEMACS_ISO_WIDE_H
+#define _XEMACS_ISO_WIDE_H
+
+/* The following macros are designed for SunOS 5.0 wide characters,
+   in which the single byte ISO Latin-1 character 1xxxxxxx are represented
+
+		00110000 00000000 00000000 0xxxxxxx
+
+   For wide character systems which maintain the numeric value of all
+   single-byte characters, IN_TABLE_DOMAIN can simply be defined
+
+		(0 <= (c) && (c) <= 0xff)
+
+   and no funky ISO_WIDE_TO_BYTE conversions are needed. */
+
+/* Can't use isascii() because we want wide char argument */
+#define IS_ASCII(c)     (0 <= (c) && (c) <= 0x7f)
+
+#define IS_ISO_WIDE(c)  (0x30000000 <= (c) && (c) <= 0x3000007f)
+#define IS_ISO_BYTE(c)  (0x80 <= (c) && (c) <= 0xff)
+
+#define IN_TABLE_DOMAIN(c)  (IS_ASCII (c) || IS_ISO_WIDE (c))
+
+#define ISO_WIDE_TO_BYTE(c)  ((c) & 0x0000007f | 0x80)
+#define ISO_BYTE_TO_WIDE(c)  ((c) & 0x7f | 0x30000000)
+
+#define WIDE_TO_BYTE(c)  (IS_ISO_WIDE (c) ? ISO_WIDE_TO_BYTE (c) : (c))
+#define BYTE_TO_WIDE(c)  (IS_ISO_BYTE (c) ? ISO_BYTE_TO_WIDE (c) : (c))
+
+#endif /* _XEMACS_ISO_WIDE_H */