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1 ;;; japanese.el --- Japanese support
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2
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3 ;; Copyright (C) 1995 Free Software Foundation, Inc.
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4 ;; Copyright (C) 1995 Electrotechnical Laboratory, JAPAN.
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5 ;; Copyright (C) 1997 MORIOKA Tomohiko
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6
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7 ;; Keywords: multilingual, Japanese
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8
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9 ;; This file is part of XEmacs.
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10
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11 ;; XEmacs is free software; you can redistribute it and/or modify it
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12 ;; under the terms of the GNU General Public License as published by
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13 ;; the Free Software Foundation; either version 2, or (at your option)
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14 ;; any later version.
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15
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16 ;; XEmacs is distributed in the hope that it will be useful, but
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17 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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19 ;; General Public License for more details.
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20
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21 ;; You should have received a copy of the GNU General Public License
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22 ;; along with XEmacs; see the file COPYING. If not, write to the Free
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23 ;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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24 ;; 02111-1307, USA.
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25
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26 ;;; Commentary:
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27
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28 ;; For Japanese, character sets JISX0201, JISX0208, JISX0212 are
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29 ;; supported.
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30
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31 ;;; Code:
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32
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33 ;;; Syntax of Japanese characters.
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34 (modify-syntax-entry 'katakana-jisx0201 "w")
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35 (modify-syntax-entry 'japanese-jisx0212 "w")
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36
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37 (modify-syntax-entry 'japanese-jisx0208 "w")
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38 (loop for row in '(33 34 40)
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39 do (modify-syntax-entry `[japanese-jisx0208 ,row] "_"))
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40 (loop for char in '(?$B!<(B ?$B!+(B ?$B!,(B ?$B!3(B ?$B!4(B ?$B!5(B ?$B!6(B ?$B!7(B ?$B!8(B ?$B!9(B ?$B!:(B ?$B!;(B)
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41 do (modify-syntax-entry char "w"))
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42 (modify-syntax-entry ?\$B!J(B "($B!K(B")
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43 (modify-syntax-entry ?\$B!N(B "($B!O(B")
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44 (modify-syntax-entry ?\$B!P(B "($B!Q(B")
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45 (modify-syntax-entry ?\$B!V(B "($B!W(B")
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46 (modify-syntax-entry ?\$B!X(B "($B!Y(B")
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47 (modify-syntax-entry ?\$B!K(B ")$B!J(B")
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48 (modify-syntax-entry ?\$B!O(B ")$B!N(B")
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49 (modify-syntax-entry ?\$B!Q(B ")$B!P(B")
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50 (modify-syntax-entry ?\$B!W(B ")$B!V(B")
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51 (modify-syntax-entry ?\$B!Y(B ")$B!X(B")
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52
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53 ;;; Character categories S, A, H, K, G, Y, and C
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54 (define-category ?S "Japanese 2-byte symbol character.")
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55 (modify-category-entry [japanese-jisx0208 33] ?S)
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56 (modify-category-entry [japanese-jisx0208 34] ?S)
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57 (modify-category-entry [japanese-jisx0208 40] ?S)
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58 (define-category ?A "Japanese 2-byte Alphanumeric character.")
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59 (modify-category-entry [japanese-jisx0208 35] ?A)
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60 (define-category ?H "Japanese 2-byte Hiragana character.")
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61 (modify-category-entry [japanese-jisx0208 36] ?H)
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62 (define-category ?K "Japanese 2-byte Katakana character.")
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63 (modify-category-entry [japanese-jisx0208 37] ?K)
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64 (define-category ?G "Japanese 2-byte Greek character.")
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65 (modify-category-entry [japanese-jisx0208 38] ?G)
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66 (define-category ?Y "Japanese 2-byte Cyrillic character.")
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67 (modify-category-entry [japanese-jisx0208 39] ?Y)
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68 (define-category ?C "Japanese 2-byte Kanji characters.")
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69 (loop for row from 48 to 126
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70 do (modify-category-entry `[japanese-jisx0208 ,row] ?C))
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71 (loop for char in '(?$B!<(B ?$B!+(B ?$B!,(B)
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72 do (modify-category-entry char ?K)
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73 (modify-category-entry char ?H))
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74 (loop for char in '(?$B!3(B ?$B!4(B ?$B!5(B ?$B!6(B ?$B!7(B ?$B!8(B ?$B!9(B ?$B!:(B ?$B!;(B)
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75 do (modify-category-entry char ?C))
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76 (modify-category-entry 'japanese-jisx0212 ?C)
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77
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78 (defvar japanese-word-regexp
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79 "\\cA+\\cH*\\|\\cK+\\cH*\\|\\cC+\\cH*\\|\\cH+\\|\\ck+\\|\\sw+"
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80 "Regular expression used to match a Japanese word.")
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81
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82 (set-word-regexp japanese-word-regexp)
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83 (setq forward-word-regexp "\\w\\>")
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84 (setq backward-word-regexp "\\<\\w")
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85
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86 ;;; Paragraph setting
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87 (setq sentence-end
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88 (concat
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89 "\\("
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90 "\\("
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91 "[.?!][]\"')}]*"
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92 "\\|"
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93 "[$B!%!)!*(B][$B!O!I!G!K!Q!M!S!U!W!Y(B]*"
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94 "\\)"
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95 "\\($\\|\t\\| \\)"
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96 "\\|"
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97 "$B!#(B"
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98 "\\)"
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99 "[ \t\n]*"))
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100 (setq paragraph-start "^[ $B!!(B\t\n\f]")
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101 (setq paragraph-separate "^[ $B!!(B\t\f]*$")
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102
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103 ;; EGG specific setup
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104 (define-egg-environment 'japanese
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105 "Japanese settings for egg."
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106 (lambda ()
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107 (when (not (featurep 'egg-jpn))
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108 (load "its/its-hira")
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109 (load "its/its-kata")
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110 (load "its/its-hankaku")
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111 (load "its/its-zenkaku")
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112 (setq its:*standard-modes*
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113 (append
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114 (list (its:get-mode-map "roma-kana")
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115 (its:get-mode-map "roma-kata")
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116 (its:get-mode-map "downcase")
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117 (its:get-mode-map "upcase")
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118 (its:get-mode-map "zenkaku-downcase")
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119 (its:get-mode-map "zenkaku-upcase"))
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120 its:*standard-modes*))
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121 (provide 'egg-jpn))
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122 (setq wnn-server-type 'jserver)
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123 (setq egg-default-startup-file "eggrc-wnn")
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124 (setq-default its:*current-map* (its:get-mode-map "roma-kana"))))
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125
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126 ;; stuff for providing gramatic processing of Japanese text
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127 ;; something like this should probably be created for all environments...
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128
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129 (defvar aletter (concat "\\(" ascii-char "\\|" kanji-char "\\)"))
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130 (defvar kanji-space-insertable (concat
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131 "$B!"(B" aletter "\\|"
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132 "$B!#(B" aletter "\\|"
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133 aletter "$B!J(B" "\\|"
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134 "$B!K(B" aletter "\\|"
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135 ascii-alphanumeric kanji-kanji-char "\\|"
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136 kanji-kanji-char ascii-alphanumeric ))
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137
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138 (defvar space-insertable (concat " " aletter "\\|" kanji-space-insertable)
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139 "Regexp for finding points that can have spaces inserted into them for justification")
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140
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141 ;; (define-coding-system-alias 'iso-2022-7 'iso-2022-jp)
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142 ;; (define-coding-system-alias 'iso-2022-7 'junet)
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143
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144 (make-coding-system
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145 'iso-2022-jp 'iso2022
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146 "Coding-system used for communication with mail and news in Japan."
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147 '(charset-g0 ascii
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148 short t
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149 seven t
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150 input-charset-conversion ((latin-jisx0201 ascii)
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151 (japanese-jisx0208-1978 japanese-jisx0208))
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152 mnemonic "MULE/7bit"
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153 ))
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154
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155 (copy-coding-system 'iso-2022-jp 'junet)
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156
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157 ;; (make-coding-system
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158 ;; 'shift_jis 1 ?S
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159 ;; "Coding-system of Shift-JIS used in Japan." t)
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160
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161 (make-coding-system
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162 'shift_jis 'shift-jis
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163 "Coding-system of Shift-JIS used in Japan."
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164 '(mnemonic "Ja/SJIS"))
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165
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166 ;;(define-coding-system-alias 'shift_jis 'sjis)
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167
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168 (copy-coding-system 'shift_jis 'sjis)
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169
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170 ;; (make-coding-system
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171 ;; 'iso-2022-jp-1978-irv 2 ?J
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172 ;; "Coding-system used for old jis terminal."
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173 ;; '((ascii t) nil nil nil
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174 ;; short ascii-eol ascii-cntl seven nil nil use-roman use-oldjis))
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175
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176 (make-coding-system
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177 'iso-2022-jp-1978-irv 'iso2022
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178 "Coding-system used for old JIS terminal."
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179 '(charset-g0 ascii
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180 short t
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181 seven t
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182 output-charset-conversion ((ascii latin-jisx0201)
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183 (japanese-jisx0208 japanese-jisx0208-1978))
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184 mnemonic "Ja-78/7bit"
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185 ))
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186
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187 ;;(define-coding-system-alias 'iso-2022-jp-1978-irv 'old-jis)
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188
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189 (copy-coding-system 'iso-2022-jp-1978-irv 'old-jis)
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190
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191 ;; (make-coding-system
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192 ;; 'euc-japan-1990 2 ?E
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193 ;; "Coding-system of Japanese EUC (Extended Unix Code)."
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194 ;; '(ascii japanese-jisx0208 katakana-jisx0201 japanese-jisx0212
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195 ;; short ascii-eol ascii-cntl nil nil single-shift))
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196
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197 (make-coding-system
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198 'euc-jp 'iso2022
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199 "Coding-system of Japanese EUC (Extended Unix Code)."
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200 '(charset-g0 ascii
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201 charset-g1 japanese-jisx0208
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202 charset-g2 katakana-jisx0201
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203 charset-g3 japanese-jisx0212
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204 short t
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205 mnemonic "Ja/EUC"
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206 ))
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207
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208 ;;(define-coding-system-alias 'euc-japan-1990 'euc-japan)
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209
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210 (copy-coding-system 'euc-jp 'euc-japan) ; only for w3
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211 (copy-coding-system 'euc-jp 'japanese-euc)
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212
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213 (register-input-method
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214 "Japanese" '("quail-ja-hiragana" quail-use-package "quail/japanese"))
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215 (register-input-method
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216 "Japanese" '("quail-ja" quail-use-package "quail/japanese"))
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217
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218 (defun setup-japanese-environment ()
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219 "Setup multilingual environment (MULE) for Japanese."
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220 (interactive)
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221 (setq coding-category-iso-8-2 'euc-jp)
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222
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223 (set-coding-priority
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224 '(coding-category-iso-7
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225 coding-category-iso-8-2
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226 coding-category-sjis
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227 coding-category-iso-8-1
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228 coding-category-iso-else
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229 coding-category-internal))
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230
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231 (if (eq system-type 'ms-dos)
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232 (progn
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233 (setq-default buffer-file-coding-system 'shift_jis)
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234 (set-terminal-coding-system 'shift_jis)
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235 (set-keyboard-coding-system 'shift_jis)
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236 (setq default-process-coding-system '(shift_jis-dos . shift_jis-dos)))
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237 (setq-default buffer-file-coding-system 'iso-2022-jp)
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238 (set-terminal-coding-system 'iso-2022-jp)
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239 (set-keyboard-coding-system 'iso-2022-jp))
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240
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241 (set-default-input-method "Japanese" "quail-ja")
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242
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243 (setq sendmail-coding-system 'iso-2022-jp
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244 rmail-file-coding-system 'iso-2022-jp)
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245 )
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246
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247 (defun describe-japanese-support ()
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248 "Describe how Emacs supports Japanese."
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249 (interactive)
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250 (describe-language-support-internal "Japanese"))
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251
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252 (set-language-info-alist
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253 "Japanese" '((setup-function . setup-japanese-environment)
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254 (describe-function . describe-japanese-support)
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255 (tutorial . "TUTORIAL.jp")
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256 (charset . (japanese-jisx0208 japanese-jisx0208-1978
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257 japanese-jisx0212 latin-jisx0201
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258 katakana-jisx0201))
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259 (coding-system . (euc-jp shift_jis
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260 iso-2022-jp iso-2022-jp-1978-irv))
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261 (sample-text . "Japanese ($BF|K\8l(B) $B$3$s$K$A$O(B, (I:]FAJ(B")
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262 (documentation . nil)))
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263
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264 ;; for XEmacs (will be obsoleted)
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265
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266 (define-language-environment 'japanese
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267 "Japanese (includes JIS and EUC)"
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268 (lambda ()
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269 (set-coding-category-system 'iso-7 'iso-2022-jp)
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270 (set-coding-category-system 'iso-8-2 'euc-jp)
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271 (set-coding-priority-list '(iso-7 iso-8-2 shift-jis no-conversion))
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272 ;;'(iso-8-2 iso-8-designate iso-8-1 shift-jis big5)
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273
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274 ;; Added by mrb, who doesn't speak japanese - so be sceptical...
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275 ;; (when (string-match "solaris\\|sunos" system-configuration)
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276 ;;(set-native-coding-system 'euc-japan) ; someday
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277 (set-pathname-coding-system 'euc-jp)
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278 (add-hook 'comint-exec-hook
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279 (lambda ()
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280 (let ((proc (get-buffer-process (current-buffer))))
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281 (set-process-input-coding-system proc 'euc-jp)
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282 (set-process-output-coding-system proc 'euc-jp))))
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283 ;;(set-buffer-file-coding-system-for-read 'automatic-conversion)
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284 (set-default-buffer-file-coding-system 'euc-jp)
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285 (setq keyboard-coding-system 'euc-jp)
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286 (setq terminal-coding-system 'euc-jp)
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287 (when (eq 'x (device-type (selected-device)))
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288 (x-use-halfwidth-roman-font 'japanese-jisx0208 "jisx0201"))
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289
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290 (when (eq system-type 'ms-dos)
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291 ;; Shift-JIS is the standard coding system under Japanese MS-DOS
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292 ;; This isn't really code - just a hint to future implementors
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293 (setq keyboard-coding-system 'shift_jis-dos)
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294 (setq terminal-coding-system 'shift_jis-dos)
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295 (set-default-buffer-file-coding-system 'shift_jis-dos)
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296 ;;(set-default-process-coding-system 'shift_jis-dos 'shift_jis-dos)
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297 )
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298 ))
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299
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300 (set-coding-category-system 'shift-jis 'shift_jis)
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301
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302 ;;; japanese.el ends here
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