--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lisp/tl/emu-e19.el	Mon Aug 13 09:03:46 2007 +0200
@@ -0,0 +1,271 @@
+;;; emu-e19.el --- emu module for Emacs 19 and XEmacs 19
+
+;; Copyright (C) 1995,1996 Free Software Foundation, Inc.
+
+;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
+;; Version: $Id: emu-e19.el,v 1.1.1.1 1996/12/18 22:53:09 steve Exp $
+;; Keywords: emulation, compatibility, mule, Latin-1
+
+;; 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 GNU Emacs; see the file COPYING.  If not, write to the
+;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
+
+;;; Code:
+
+;;; @ version and variant specific features
+;;;
+
+(cond (running-xemacs
+       (require 'emu-xemacs))
+      (running-emacs-19
+       (require 'emu-19)
+       ))
+
+
+;;; @ character set
+;;;
+
+(defconst charset-ascii 0 "Character set of ASCII")
+(defconst charset-latin-1 129 "Character set of ISO-8859-1")
+
+(defun charset-description (charset)
+  "Return description of CHARSET. [emu-e19.el]"
+  (if (< charset 128)
+      (documentation-property 'charset-ascii 'variable-documentation)
+    (documentation-property 'charset-latin-1 'variable-documentation)
+    ))
+
+(defun charset-registry (charset)
+  "Return registry name of CHARSET. [emu-e19.el]"
+  (if (< charset 128)
+      "ASCII"
+    "ISO8859-1"))
+
+(defun charset-columns (charset)
+  "Return number of columns a CHARSET occupies when displayed.
+\[emu-e19.el]"
+  1)
+
+(defun charset-direction (charset)
+  "Return the direction of a character of CHARSET by
+  0 (left-to-right) or 1 (right-to-left). [emu-e19.el]"
+  0)
+
+(defun find-charset-string (str)
+  "Return a list of charsets in the string.
+\[emu-e19.el; Mule emulating function]"
+  (if (string-match "[\200-\377]" str)
+      (list lc-ltn1)
+    ))
+
+(defalias 'find-non-ascii-charset-string 'find-charset-string)
+
+(defun find-charset-region (start end)
+  "Return a list of charsets in the region between START and END.
+\[emu-e19.el; Mule emulating function]"
+  (if (save-excursion
+	(save-restriction
+	  (narrow-to-region start end)
+	  (goto-char start)
+	  (re-search-forward "[\200-\377]" nil t)
+	  ))
+      (list lc-ltn1)
+    ))
+
+(defalias 'find-non-ascii-charset-region 'find-charset-region)
+
+;;; @@ for old MULE emulation
+;;;
+
+(defconst lc-ascii 0)
+(defconst lc-ltn1 129)
+
+
+;;; @ coding-system
+;;;
+
+(defconst *internal* nil)
+(defconst *ctext* nil)
+(defconst *noconv* nil)
+
+(defun decode-coding-string (string coding-system)
+  "Decode the STRING which is encoded in CODING-SYSTEM.
+\[emu-e19.el; Emacs 20 emulating function]"
+  string)
+
+(defun encode-coding-string (string coding-system)
+  "Encode the STRING as CODING-SYSTEM.
+\[emu-e19.el; Emacs 20 emulating function]"
+  string)
+
+(defun decode-coding-region (start end coding-system)
+  "Decode the text between START and END which is encoded in CODING-SYSTEM.
+\[emu-e19.el; Emacs 20 emulating function]"
+  0)
+
+(defun encode-coding-region (start end coding-system)
+  "Encode the text between START and END to CODING-SYSTEM.
+\[emu-e19.el; Emacs 20 emulating function]"
+  0)
+
+(defun detect-coding-region (start end)
+  "Detect coding-system of the text in the region between START and END.
+\[emu-e19.el; Emacs 20 emulating function]"
+  )
+
+(defun set-buffer-file-coding-system (coding-system &optional force)
+  "Set buffer-file-coding-system of the current buffer to CODING-SYSTEM.
+\[emu-e19.el; Emacs 20 emulating function]"
+  )
+
+(defmacro as-binary-process (&rest body)
+  (` (let (selective-display)	; Disable ^M to nl translation.
+       (,@ body)
+       )))
+
+(defmacro as-binary-input-file (&rest body)
+  (` (let ((emx-binary-mode t)) ; Stop CRLF to LF conversion in OS/2
+       (,@ body)
+       )))
+
+
+;;; @@ for old MULE emulation
+;;;
+
+(defun code-convert-string (str ic oc)
+  "Convert code in STRING from SOURCE code to TARGET code,
+On successful converion, returns the result string,
+else returns nil. [emu-e19.el; old MULE emulating function]"
+  str)
+
+(defun code-convert-region (beg end ic oc)
+  "Convert code of the text between BEGIN and END from SOURCE
+to TARGET. On successful conversion returns t,
+else returns nil. [emu-e19.el; old MULE emulating function]"
+  t)
+
+
+;;; @ MIME charset
+;;;
+
+(defvar charsets-mime-charset-alist
+  (list (cons (list charset-ascii) 'us-ascii)))
+
+(defvar default-mime-charset 'iso-8859-1)
+
+(defun mime-charset-to-coding-system (charset)
+  (if (stringp charset)
+      (setq charset (intern (downcase charset)))
+    )
+  (and (memq charset (list 'us-ascii default-mime-charset))
+       charset)
+  )
+
+(defun detect-mime-charset-region (start end)
+  "Return MIME charset for region between START and END.
+\[emu-e19.el]"
+  (if (save-excursion
+	(save-restriction
+	  (narrow-to-region start end)
+	  (goto-char start)
+	  (re-search-forward "[\200-\377]" nil t)
+	  ))
+      default-mime-charset
+    'us-ascii))
+
+(defun encode-mime-charset-region (start end charset)
+  "Encode the text between START and END as MIME CHARSET.
+\[emu-e19.el]"
+  )
+
+(defun decode-mime-charset-region (start end charset)
+  "Decode the text between START and END as MIME CHARSET.
+\[emu-e19.el]"
+  )
+
+(defun encode-mime-charset-string (string charset)
+  "Encode the STRING as MIME CHARSET. [emu-e19.el]"
+  string)
+
+(defun decode-mime-charset-string (string charset)
+  "Decode the STRING as MIME CHARSET. [emu-e19.el]"
+  string)
+
+
+;;; @ character
+;;;
+
+(defun char-charset (chr)
+  "Return the character set of char CHR.
+\[emu-e19.el; XEmacs 20 emulating function]"
+  (if (< chr 128)
+      charset-ascii
+    charset-latin-1))
+
+(defun char-bytes (char)
+  "Return number of bytes a character in CHAR occupies in a buffer.
+\[emu-e19.el; MULE emulating function]"
+  1)
+
+(defalias 'char-length 'char-bytes)
+
+(defun char-columns (character)
+  "Return number of columns a CHARACTER occupies when displayed.
+\[emu-e19.el]"
+  1)
+
+;;; @@ for old MULE emulation
+;;;
+
+(defalias 'char-width 'char-columns)
+
+(defalias 'char-leading-char 'char-charset)
+
+
+;;; @ string
+;;;
+
+(defalias 'string-columns 'length)
+
+(defun string-to-char-list (str)
+  (mapcar (function identity) str)
+  )
+
+(defalias 'string-to-int-list 'string-to-char-list)
+
+(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-e19.el; MULE 2.3 emulating function]"
+  (or start-column
+      (setq start-column 0))
+  (substring str start-column width)
+  )
+
+;;; @@ for old MULE emulation
+;;;
+
+(defalias 'string-width 'length)
+
+
+;;; @ end
+;;;
+
+(provide 'emu-e19)
+
+;;; emu-e19.el ends here