--- /dev/null
+;;; japanese.el --- Japanese support
+
+;; Copyright (C) 1995 Electrotechnical Laboratory, JAPAN.
+;; Licensed to the Free Software Foundation.
+;; Copyright (C) 1997 MORIOKA Tomohiko
+
+;; Keywords: multilingual, Japanese
+
+;; 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:
+
+;; For Japanese, character sets JISX0201, JISX0208, JISX0212 are
+;; supported.
+
+;;; Code:
+
+;;; Syntax of Japanese characters.
+(modify-syntax-entry 'katakana-jisx0201 "w")
+(modify-syntax-entry 'japanese-jisx0212 "w")
+
+(modify-syntax-entry 'japanese-jisx0208 "w")
+(loop for row in '(33 34 40)
+ do (modify-syntax-entry `[japanese-jisx0208 ,row] "_"))
+(loop for char in '(?\e$B!<\e(B ?\e$B!+\e(B ?\e$B!,\e(B ?\e$B!3\e(B ?\e$B!4\e(B ?\e$B!5\e(B ?\e$B!6\e(B ?\e$B!7\e(B ?\e$B!8\e(B ?\e$B!9\e(B ?\e$B!:\e(B ?\e$B!;\e(B)
+ do (modify-syntax-entry char "w"))
+(modify-syntax-entry ?\\e$B!J\e(B "(\e$B!K\e(B")
+(modify-syntax-entry ?\\e$B!N\e(B "(\e$B!O\e(B")
+(modify-syntax-entry ?\\e$B!P\e(B "(\e$B!Q\e(B")
+(modify-syntax-entry ?\\e$B!V\e(B "(\e$B!W\e(B")
+(modify-syntax-entry ?\\e$B!X\e(B "(\e$B!Y\e(B")
+(modify-syntax-entry ?\\e$B!K\e(B ")\e$B!J\e(B")
+(modify-syntax-entry ?\\e$B!O\e(B ")\e$B!N\e(B")
+(modify-syntax-entry ?\\e$B!Q\e(B ")\e$B!P\e(B")
+(modify-syntax-entry ?\\e$B!W\e(B ")\e$B!V\e(B")
+(modify-syntax-entry ?\\e$B!Y\e(B ")\e$B!X\e(B")
+
+;;; Character categories S, A, H, K, G, Y, and C
+(define-category ?S "Japanese 2-byte symbol character.")
+(modify-category-entry [japanese-jisx0208 33] ?S)
+(modify-category-entry [japanese-jisx0208 34] ?S)
+(modify-category-entry [japanese-jisx0208 40] ?S)
+(define-category ?A "Japanese 2-byte Alphanumeric character.")
+(modify-category-entry [japanese-jisx0208 35] ?A)
+(define-category ?H "Japanese 2-byte Hiragana character.")
+(modify-category-entry [japanese-jisx0208 36] ?H)
+(define-category ?K "Japanese 2-byte Katakana character.")
+(modify-category-entry [japanese-jisx0208 37] ?K)
+(define-category ?G "Japanese 2-byte Greek character.")
+(modify-category-entry [japanese-jisx0208 38] ?G)
+(define-category ?Y "Japanese 2-byte Cyrillic character.")
+(modify-category-entry [japanese-jisx0208 39] ?Y)
+(define-category ?C "Japanese 2-byte Kanji characters.")
+(loop for row from 48 to 126
+ do (modify-category-entry `[japanese-jisx0208 ,row] ?C))
+(loop for char in '(?\e$B!<\e(B ?\e$B!+\e(B ?\e$B!,\e(B)
+ do (modify-category-entry char ?K)
+ (modify-category-entry char ?H))
+(loop for char in '(?\e$B!3\e(B ?\e$B!4\e(B ?\e$B!5\e(B ?\e$B!6\e(B ?\e$B!7\e(B ?\e$B!8\e(B ?\e$B!9\e(B ?\e$B!:\e(B ?\e$B!;\e(B)
+ do (modify-category-entry char ?C))
+(modify-category-entry 'japanese-jisx0212 ?C)
+
+(defvar japanese-word-regexp
+ "\\cA+\\cH*\\|\\cK+\\cH*\\|\\cC+\\cH*\\|\\cH+\\|\\ck+\\|\\sw+"
+ "Regular expression used to match a Japanese word.")
+
+(set-word-regexp japanese-word-regexp)
+(setq forward-word-regexp "\\w\\>")
+(setq backward-word-regexp "\\<\\w")
+
+;;; Paragraph setting
+(setq sentence-end
+ (concat
+ "\\("
+ "\\("
+ "[.?!][]\"')}]*"
+ "\\|"
+ "[\e$B!%!)!*\e(B][\e$B!O!I!G!K!Q!M!S!U!W!Y\e(B]*"
+ "\\)"
+ "\\($\\|\t\\| \\)"
+ "\\|"
+ "\e$B!#\e(B"
+ "\\)"
+ "[ \t\n]*"))
+(setq paragraph-start "^[ \e$B!!\e(B\t\n\f]")
+(setq paragraph-separate "^[ \e$B!!\e(B\t\f]*$")
+
+;; EGG specific setup
+(define-egg-environment 'japanese
+ "Japanese settings for egg."
+ (lambda ()
+ (when (not (featurep 'egg-jpn))
+ (load "its-hira")
+ (load "its-kata")
+ (load "its-hankaku")
+ (load "its-zenkaku")
+ (setq its:*standard-modes*
+ (append
+ (list (its:get-mode-map "roma-kana")
+ (its:get-mode-map "roma-kata")
+ (its:get-mode-map "downcase")
+ (its:get-mode-map "upcase")
+ (its:get-mode-map "zenkaku-downcase")
+ (its:get-mode-map "zenkaku-upcase"))
+ its:*standard-modes*))
+ (provide 'egg-jpn))
+ (setq wnn-server-type 'jserver)
+ ;; Can't do this here any more. Must do it when selecting egg-wnn
+ ;; or egg-sj3
+ ;; (setq egg-default-startup-file "eggrc-wnn")
+ (setq-default its:*current-map* (its:get-mode-map "roma-kana"))))
+
+;; stuff for providing gramatic processing of Japanese text
+;; something like this should probably be created for all environments...
+
+(defvar aletter (concat "\\(" ascii-char "\\|" kanji-char "\\)"))
+(defvar kanji-space-insertable (concat
+ "\e$B!"\e(B" aletter "\\|"
+ "\e$B!#\e(B" aletter "\\|"
+ aletter "\e$B!J\e(B" "\\|"
+ "\e$B!K\e(B" aletter "\\|"
+ ascii-alphanumeric kanji-kanji-char "\\|"
+ kanji-kanji-char ascii-alphanumeric ))
+
+(defvar space-insertable (concat " " aletter "\\|" kanji-space-insertable)
+ "Regexp for finding points that can have spaces inserted into them for justification")
+\f
+;; (make-coding-system
+;; 'iso-2022-jp 2 ?J
+;; "ISO 2022 based 7bit encoding for Japanese (MIME:ISO-2022-JP)"
+;; '((ascii japanese-jisx0208-1978 japanese-jisx0208
+;; latin-jisx0201 japanese-jisx0212 katakana-jisx0201 t) nil nil nil
+;; short ascii-eol ascii-cntl seven))
+
+;; (define-coding-system-alias 'junet 'iso-2022-jp)
+
+(make-coding-system
+ 'iso-2022-jp 'iso2022
+ "Coding-system used for communication with mail and news in Japan."
+ '(charset-g0 ascii
+ short t
+ seven t
+ input-charset-conversion ((latin-jisx0201 ascii)
+ (japanese-jisx0208-1978 japanese-jisx0208))
+ mnemonic "MULE/7bit"
+ ))
+
+(copy-coding-system 'iso-2022-jp 'junet)
+
+;; (make-coding-system
+;; 'shift_jis 1 ?S
+;; "Coding-system of Shift-JIS used in Japan." t)
+
+(make-coding-system
+ 'shift_jis 'shift-jis
+ "Coding-system of Shift-JIS used in Japan."
+ '(mnemonic "Ja/SJIS"))
+
+;;(define-coding-system-alias 'shift_jis 'sjis)
+
+(copy-coding-system 'shift_jis 'sjis)
+
+;; (make-coding-system
+;; 'iso-2022-jp-1978-irv 2 ?J
+;; "Coding-system used for old jis terminal."
+;; '((ascii t) nil nil nil
+;; short ascii-eol ascii-cntl seven nil nil use-roman use-oldjis))
+
+(make-coding-system
+ 'iso-2022-jp-1978-irv 'iso2022
+ "Coding-system used for old JIS terminal."
+ '(charset-g0 ascii
+ short t
+ seven t
+ output-charset-conversion ((ascii latin-jisx0201)
+ (japanese-jisx0208 japanese-jisx0208-1978))
+ mnemonic "Ja-78/7bit"
+ ))
+
+;;(define-coding-system-alias 'iso-2022-jp-1978-irv 'old-jis)
+
+(copy-coding-system 'iso-2022-jp-1978-irv 'old-jis)
+
+;; (make-coding-system
+;; 'euc-japan-1990 2 ?E
+;; "Coding-system of Japanese EUC (Extended Unix Code)."
+;; '(ascii japanese-jisx0208 katakana-jisx0201 japanese-jisx0212
+;; short ascii-eol ascii-cntl nil nil single-shift))
+
+(make-coding-system
+ 'euc-jp 'iso2022
+ "Coding-system of Japanese EUC (Extended Unix Code)."
+ '(charset-g0 ascii
+ charset-g1 japanese-jisx0208
+ charset-g2 katakana-jisx0201
+ charset-g3 japanese-jisx0212
+ short t
+ mnemonic "Ja/EUC"
+ ))
+
+;;(define-coding-system-alias 'euc-japan-1990 'euc-japan)
+
+(copy-coding-system 'euc-jp 'euc-japan) ; only for w3
+(copy-coding-system 'euc-jp 'japanese-euc)
+
+(set-language-info-alist
+ "Japanese" '((setup-function . setup-japanese-environment)
+ (tutorial . "TUTORIAL.ja")
+ (charset . (japanese-jisx0208 japanese-jisx0208-1978
+ japanese-jisx0212 latin-jisx0201
+ katakana-jisx0201))
+ (coding-system . (iso-2022-jp euc-jp
+ shift_jis iso-2022-jp-1978-irv))
+ (sample-text . "Japanese (\e$BF|K\8l\e(B) \e$B$3$s$K$A$O\e(B, \e(I:]FAJ\e(B")
+ (documentation . t)))
+
+;;; japanese.el ends here
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