--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lisp/mule/mule-coding.el	Mon Aug 13 11:10:50 2007 +0200
@@ -0,0 +1,188 @@
+;;; mule-coding.el --- Coding-system functions for Mule.
+
+;; Copyright (C) 1995 Electrotechnical Laboratory, JAPAN.
+;; Licensed to the Free Software Foundation.
+;; Copyright (C) 1995 Amdahl Corporation.
+;; Copyright (C) 1995 Sun Microsystems.
+;; Copyright (C) 1997 MORIOKA Tomohiko
+
+;; 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.
+
+;;; Commentary:
+
+;;; split off of mule.el and mostly moved to coding.el
+
+;;; Code:
+
+(defun coding-system-force-on-output (coding-system register)
+  "Return the 'force-on-output property of CODING-SYSTEM for the specified REGISTER."
+  (unless (integerp register)
+    (signal 'wrong-type-argument (list 'integerp register)))
+  (coding-system-property
+   coding-system
+   (case register
+     (0 'force-g0-on-output)
+     (1 'force-g1-on-output)
+     (2 'force-g2-on-output)
+     (3 'force-g3-on-output)
+     (t (signal 'args-out-of-range (list register 0 3))))))
+
+(defun coding-system-short (coding-system)
+  "Return the 'short property of CODING-SYSTEM."
+  (coding-system-property coding-system 'short))
+
+(defun coding-system-no-ascii-eol (coding-system)
+  "Return the 'no-ascii-eol property of CODING-SYSTEM."
+  (coding-system-property coding-system 'no-ascii-eol))
+
+(defun coding-system-no-ascii-cntl (coding-system)
+  "Return the 'no-ascii-cntl property of CODING-SYSTEM."
+  (coding-system-property coding-system 'no-ascii-cntl))
+
+(defun coding-system-seven (coding-system)
+  "Return the 'seven property of CODING-SYSTEM."
+  (coding-system-property coding-system 'seven))
+
+(defun coding-system-lock-shift (coding-system)
+  "Return the 'lock-shift property of CODING-SYSTEM."
+  (coding-system-property coding-system 'lock-shift))
+
+;;(defun coding-system-use-japanese-jisx0201-roman (coding-system)
+;;  "Return the 'use-japanese-jisx0201-roman property of CODING-SYSTEM."
+;;  (coding-system-property coding-system 'use-japanese-jisx0201-roman))
+
+;;(defun coding-system-use-japanese-jisx0208-1978 (coding-system)
+;;  "Return the 'use-japanese-jisx0208-1978 property of CODING-SYSTEM."
+;;  (coding-system-property coding-system 'use-japanese-jisx0208-2978))
+
+(defun coding-system-no-iso6429 (coding-system)
+  "Return the 'no-iso6429 property of CODING-SYSTEM."
+  (coding-system-property coding-system 'no-iso6429))
+
+(defun coding-system-ccl-encode (coding-system)
+  "Return the CCL 'encode property of CODING-SYSTEM."
+  (coding-system-property coding-system 'encode))
+
+(defun coding-system-ccl-decode (coding-system)
+  "Return the CCL 'decode property of CODING-SYSTEM."
+  (coding-system-property coding-system 'decode))
+
+
+;;;; Definitions of predefined coding systems
+
+(make-coding-system
+ 'ctext 'iso2022
+ "Coding-system used in X as Compound Text Encoding."
+ '(charset-g0 ascii
+   charset-g1 latin-iso8859-1
+   eol-type nil
+   mnemonic "CText"))
+
+;;; iso-8859-1 and ctext are aliases.
+
+;; (copy-coding-system 'ctext 'iso-8859-1)
+(make-coding-system
+ 'iso-8859-1 'no-conversion
+ "Coding-system used in X as Compound Text Encoding."
+ '(eol-type nil mnemonic "Noconv"))
+
+(make-coding-system
+ 'iso-2022-8bit-ss2 'iso2022
+ "ISO-2022 coding system using SS2 for 96-charset in 8-bit code."
+ '(charset-g0 ascii
+   charset-g1 latin-iso8859-1
+   charset-g2 t ;; unspecified but can be used later.
+   short t
+   mnemonic "ISO8/SS"
+   ))
+
+(make-coding-system
+ 'iso-2022-7bit-ss2 'iso2022
+ "ISO-2022 coding system using SS2 for 96-charset in 7-bit code."
+ '(charset-g0 ascii
+   charset-g2 t ;; unspecified but can be used later.
+   seven t
+   short t
+   mnemonic "ISO7/SS"
+   eol-type nil))
+
+;; (copy-coding-system 'iso-2022-7bit-ss2 'iso-2022-jp-2)
+(make-coding-system
+ 'iso-2022-jp-2 'iso2022
+ "ISO-2022 coding system using SS2 for 96-charset in 7-bit code."
+ '(charset-g0 ascii
+   charset-g2 t ;; unspecified but can be used later.
+   seven t
+   short t
+   mnemonic "ISO7/SS"
+   eol-type nil))
+
+(make-coding-system
+ 'iso-2022-7bit 'iso2022
+ "ISO 2022 based 7-bit encoding using only G0"
+ '(charset-g0 ascii
+   seven t
+   short t
+   mnemonic "ISO7"))
+
+;; compatibility for old XEmacsen
+(copy-coding-system 'iso-2022-7bit 'iso-2022-7)
+
+(make-coding-system
+ 'iso-2022-8 'iso2022
+ "ISO-2022 eight-bit coding system.  No single-shift or locking-shift."
+ '(charset-g0 ascii
+   charset-g1 latin-iso8859-1
+   short t
+   mnemonic "ISO8"
+   ))
+
+(make-coding-system
+ 'escape-quoted 'iso2022
+ "ISO-2022 eight-bit coding system with escape quoting; used for .ELC files."
+ '(charset-g0 ascii
+   charset-g1 latin-iso8859-1
+   eol-type lf
+   escape-quoted t
+   mnemonic "ESC/Quot"
+   ))
+
+(make-coding-system
+ 'iso-2022-lock 'iso2022
+ "ISO-2022 coding system using Locking-Shift for 96-charset."
+ '(charset-g0 ascii
+   charset-g1 t ;; unspecified but can be used later.
+   seven t
+   lock-shift t
+   mnemonic "ISO7/Lock"
+   ))
+
+;; initialize the coding categories to something semi-reasonable
+;; so that the remaining Lisp files can contain extended characters.
+;; (They will be in ISO-7 format)
+
+(set-coding-priority-list '(iso-8-2 iso-8-designate iso-8-1
+			    iso-7 iso-lock-shift no-conversion))
+
+(set-coding-category-system 'iso-7 'iso-2022-7)
+(set-coding-category-system 'iso-8-designate 'ctext)
+(set-coding-category-system 'iso-8-1 'ctext)
+(set-coding-category-system 'iso-lock-shift 'iso-2022-lock)
+(set-coding-category-system 'no-conversion 'no-conversion)
+
+;;; mule-coding.el ends here