--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lisp/tl/emu-x20.el	Mon Aug 13 08:46:56 2007 +0200
@@ -0,0 +1,158 @@
+;;;
+;;; emu-x20.el --- Mule 2 emulation module for XEmacs 20 with Mule
+;;;
+;;; Copyright (C) 1995 Free Software Foundation, Inc.
+;;; Copyright (C) 1994 .. 1996 MORIOKA Tomohiko
+;;;
+;;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
+;;; Version:
+;;;	$Id: emu-x20.el,v 1.1.1.1 1996/12/18 03:55:31 steve Exp $
+;;; Keywords: emulation, compatibility, Mule, XEmacs
+;;;
+;;; This file is part of tl (Tiny Library).
+;;;
+;;; This program 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.
+;;;
+;;; This program 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 This program.  If not, write to the Free Software
+;;; Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+;;;
+;;; Code:
+
+(defvar xemacs-beta-version
+  (if (string-match "(beta\\([0-9]+\\))" emacs-version)
+      (string-to-number
+       (substring emacs-version (match-beginning 1)(match-end 1))
+       )))
+
+
+;;; @ character set
+;;;
+
+(defalias 'char-leading-char 'char-charset)
+
+(defun find-charset-string (string)
+  "Return a list of charsets in the STRING except ascii.
+\[emu-x20.el; Mule emulating function]"
+  (delq 'ascii (charsets-in-string string))
+  )
+
+(defun find-charset-region (start end)
+  "Return a list of charsets except ascii
+in the region between START and END.
+\[emu-x20.el; Mule emulating function]"
+  (delq 'ascii (charsets-in-region start end))
+  )
+
+(defconst lc-ascii  'ascii)
+(defconst lc-ltn1   'latin-1)
+(defconst lc-ltn2   'latin-2)
+(defconst lc-ltn3   'latin-3)
+(defconst lc-ltn4   'latin-4)
+(defconst lc-crl    'cyrillic)
+(defconst lc-arb    'arabic)
+(defconst lc-grk    'greek)
+(defconst lc-hbw    'hebrew)
+(defconst lc-ltn5   'latin-5)
+(defconst lc-jp     'japanese)
+(defconst lc-jp2    'japanese-2)
+(defconst lc-kr     'korean)
+(defconst lc-big5-1 'chinese-big5-1)
+(defconst lc-big5-2 'chinese-big5-2)
+(defconst lc-cn     'chinese-gb)
+(defconst lc-cns1   'chinese-cns-1)
+(defconst lc-cns2   'chinese-cns-2)
+(defconst lc-cns3   'chinese-cns-3)
+(defconst lc-cns4   'chinese-cns-4)
+(defconst lc-cns5   'chinese-cns-5)
+(defconst lc-cns6   'chinese-cns-6)
+(defconst lc-cns7   'chinese-cns-7)
+
+
+;;; @ coding-system
+;;;
+
+(defconst *noconv* 'noconv)
+(defconst *ctext*  'ctext)
+(defconst *hz*     'hz)
+(defconst *big5*   'big5)
+(defconst *euc-kr* 'euc-kr)
+(defconst *koi8*   nil)
+
+(defvar code-converter-is-broken
+  (and xemacs-beta-version (<= xemacs-beta-version 18)))
+
+(if code-converter-is-broken
+(progn
+;;;
+(defun decode-coding-region (start end coding-system &optional buffer)
+  "Decode the text between START and END which is encoded in CODING-SYSTEM.
+\[emu-x20.el; XEmacs 20 emulating function]"
+  (save-excursion
+    (if buffer
+	(set-buffer buffer)
+      )
+    (save-restriction
+      (narrow-to-region start end)
+      (let ((process-output-coding-system 'noconv)
+	    (process-input-coding-system coding-system))
+	(call-process-region start end "cat" t t nil)
+	))))
+
+(defun encode-coding-region (start end coding-system &optional buffer)
+  "Encode the text between START and END which is encoded in CODING-SYSTEM.
+\[emu-x20.el; XEmacs 20 emulating function]"
+  (save-excursion
+    (if buffer
+	(set-buffer buffer)
+      )
+    (save-restriction
+      (narrow-to-region start end)
+      (let ((process-output-coding-system coding-system)
+	    (process-input-coding-system 'noconv))
+	(call-process-region start end "cat" t t nil)
+	))))
+;;;
+))
+
+
+;;; @ character and string
+;;;
+
+(defun char-bytes (chr) 1)
+(defun char-width (chr) 1)
+
+(defalias 'string-width 'length)
+
+(defalias 'sref 'aref)
+
+(defun truncate-string (str width &optional start-column)
+  "Truncate STR to fit in WIDTH columns.
+Optional non-nil arg START-COLUMN specifies the starting column.
+\[emu-x20.el; Mule 2.3 emulating function]"
+  (or start-column
+      (setq start-column 0))
+  (substring str start-column width)
+  )
+
+
+;;; @ etc
+;;;
+
+(require 'emu-xemacs)
+
+
+;;; @ end
+;;;
+
+(provide 'emu-x20)
+
+;;; emu-x20.el ends here