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1 ;;; chinese.el --- Support for Chinese -*- coding: iso-2022-7bit; -*-
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2
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3 ;; Copyright (C) 1995 Electrotechnical Laboratory, JAPAN.
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4 ;; Licensed to the Free Software Foundation.
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5 ;; Copyright (C) 1997 MORIOKA Tomohiko
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6 ;; Copyright (C) 2000, 2001, 2002 Ben Wing.
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7
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8 ;; Keywords: multilingual, Chinese
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9
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10 ;; This file is part of XEmacs.
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11
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12 ;; XEmacs is free software; you can redistribute it and/or modify it
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13 ;; under the terms of the GNU General Public License as published by
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14 ;; the Free Software Foundation; either version 2, or (at your option)
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15 ;; any later version.
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16
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17 ;; XEmacs is distributed in the hope that it will be useful, but
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18 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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20 ;; General Public License for more details.
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21
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22 ;; You should have received a copy of the GNU General Public License
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23 ;; along with XEmacs; see the file COPYING. If not, write to the Free
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24 ;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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25 ;; 02111-1307, USA.
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26
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27 ;;; Commentary:
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28
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29 ;; For Chinese, three character sets GB2312, BIG5, and CNS11643 are
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30 ;; supported.
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31
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32 ;;; Code:
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33
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34 (eval-when-compile (progn (require 'ccl) (require 'china-util)))
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35
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428
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36 ;; Syntax of Chinese characters.
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37 (loop for row in '(33 34 41)
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38 do (modify-syntax-entry `[chinese-gb2312 ,row] "."))
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39
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40 ;; CNS11643 Plane3 thru Plane7
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41 ;; These represent more and more obscure Chinese characters.
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42 ;; By the time you get to Plane 7, we're talking about characters
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43 ;; that appear once in some ancient manuscript and whose meaning
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44 ;; is unknown.
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45
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46 (flet
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47 ((make-chinese-cns11643-charset
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48 (name plane final)
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49 (make-charset
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50 name (concat "CNS 11643 Plane " plane " (Chinese traditional)")
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51 `(registries
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52 ,(vector (concat "cns11643.1992-" plane ))
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53 dimension 2
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54 chars 94
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55 final ,final
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56 graphic 0
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57 short-name ,(concat "CNS11643-" plane)
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58 long-name ,(format "CNS11643-%s (Chinese traditional): ISO-IR-183"
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59 plane)))
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60 (modify-syntax-entry name "w")
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61 (modify-category-entry name ?t)
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62 ))
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63 (make-chinese-cns11643-charset 'chinese-cns11643-3 "3" ?I)
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64 (make-chinese-cns11643-charset 'chinese-cns11643-4 "4" ?J)
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65 (make-chinese-cns11643-charset 'chinese-cns11643-5 "5" ?K)
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66 (make-chinese-cns11643-charset 'chinese-cns11643-6 "6" ?L)
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67 (make-chinese-cns11643-charset 'chinese-cns11643-7 "7" ?M)
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68 )
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69
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70 ;; ISO-IR-165 (CCITT Extended GB)
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71 ;; It is based on CCITT Recommendation T.101, includes GB 2312-80 +
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72 ;; GB 8565-88 table A4 + 293 characters.
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73 (make-charset ;; not in FSF 21.1
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74 'chinese-isoir165
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75 "ISO-IR-165 (CCITT Extended GB; Chinese simplified)"
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76 `(registries ["isoir165-0"]
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77 dimension 2
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78 chars 94
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79 final ?E
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80 graphic 0
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81 short-name "ISO-IR-165"
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82 long-name "ISO-IR-165 (CCITT Extended GB; Chinese simplified)"))
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83
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84 ;; PinYin-ZhuYin
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85 (make-charset 'chinese-sisheng
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86 "SiSheng characters for PinYin/ZhuYin"
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87 '(dimension
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88 1
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89 ;; XEmacs addition: second half of registry spec
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90 registries ["omron_udc_zh-0" "sisheng_cwnn-0"]
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91 chars 94
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92 columns 1
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93 direction l2r
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94 final ?0
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95 graphic 0
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96 short-name "SiSheng"
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97 long-name "SiSheng (PinYin/ZhuYin)"
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98 ))
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99
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100 ;; If you prefer QUAIL to EGG, please modify below as you wish.
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101 ;;(when (and (featurep 'egg) (featurep 'wnn))
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102 ;; (setq wnn-server-type 'cserver)
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103 ;; (load "pinyin")
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104 ;; (setq its:*standard-modes*
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105 ;; (cons (its:get-mode-map "PinYin") its:*standard-modes*)))
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106
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107 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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108 ;;; Chinese (general)
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109 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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110
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111 ;; (make-coding-system
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112 ;; 'iso-2022-cn 2 ?C
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113 ;; "ISO 2022 based 7bit encoding for Chinese GB and CNS (MIME:ISO-2022-CN)"
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114 ;; '(ascii
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115 ;; (nil chinese-gb2312 chinese-cns11643-1)
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116 ;; (nil chinese-cns11643-2)
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117 ;; nil
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118 ;; nil ascii-eol ascii-cntl seven locking-shift single-shift nil nil nil
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119 ;; init-bol)
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120 ;; '((safe-charsets ascii chinese-gb2312 chinese-cns11643-1 chinese-cns11643-2)
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121 ;; (mime-charset . iso-2022-cn)))
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122
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123 ;; (define-coding-system-alias 'chinese-iso-7bit 'iso-2022-cn)
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124
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125 ;; (make-coding-system
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126 ;; 'iso-2022-cn-ext 2 ?C
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127 ;; "ISO 2022 based 7bit encoding for Chinese GB and CNS (MIME:ISO-2022-CN-EXT)"
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128 ;; '(ascii
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129 ;; (nil chinese-gb2312 chinese-cns11643-1)
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130 ;; (nil chinese-cns11643-2)
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131 ;; (nil chinese-cns11643-3 chinese-cns11643-4 chinese-cns11643-5
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132 ;; chinese-cns11643-6 chinese-cns11643-7)
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133 ;; nil ascii-eol ascii-cntl seven locking-shift single-shift nil nil nil
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134 ;; init-bol)
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135 ;; '((safe-charsets ascii chinese-gb2312 chinese-cns11643-1 chinese-cns11643-2
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136 ;; chinese-cns11643-3 chinese-cns11643-4 chinese-cns11643-5
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137 ;; chinese-cns11643-6 chinese-cns11643-7)
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138 ;; (mime-charset . iso-2022-cn-ext)))
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139
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140
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141 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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142 ;;; Chinese GB2312 (simplified)
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143 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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144
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145 ;; (make-coding-system
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146 ;; 'chinese-iso-8bit 2 ?c
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147 ;; "ISO 2022 based EUC encoding for Chinese GB2312 (MIME:CN-GB-2312)"
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148 ;; '(ascii chinese-gb2312 nil nil
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149 ;; nil ascii-eol ascii-cntl nil nil nil nil)
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150 ;; '((safe-charsets ascii chinese-gb2312)
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151 ;; (mime-charset . cn-gb-2312)))
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152
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153 (make-coding-system
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154 'cn-gb-2312 'iso2022
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155 "Chinese EUC"
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156 '(charset-g0 ascii
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157 charset-g1 chinese-gb2312
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158 charset-g2 chinese-sisheng
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159 charset-g3 t
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160 mnemonic "Zh-GB/EUC"
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161 documentation
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162 "Chinese EUC (Extended Unix Code), the standard Chinese encoding on Unix.
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163 This follows the same overall EUC principles as Japanese EUC (see the
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164 description under Japanese EUC), but specifies different character sets:
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165
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166 G0: ASCII
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167 G1: Chinese-GB2312
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168 G2: Sisheng (PinYin - ZhuYin)"
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169 ))
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170
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3172
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171 ;; For consistency with euc-jp, euc-ko
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172 (define-coding-system-alias 'euc-cn 'cn-gb-2312)
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173
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174 (define-coding-system-alias 'gb2312 'cn-gb-2312)
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175 (define-coding-system-alias 'chinese-euc 'cn-gb-2312)
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176
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177 ;; (make-coding-system
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178 ;; 'chinese-hz 0 ?z
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179 ;; "Hz/ZW 7-bit encoding for Chinese GB2312 (MIME:HZ-GB-2312)"
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180 ;; nil
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181 ;; '((safe-charsets ascii chinese-gb2312)
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182 ;; (mime-charset . hz-gb-2312)
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183 ;; (post-read-conversion . post-read-decode-hz)
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184 ;; (pre-write-conversion . pre-write-encode-hz)))
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185 ;; (put 'chinese-hz 'post-read-conversion 'post-read-decode-hz)
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186 ;; (put 'chinese-hz 'pre-write-conversion 'pre-write-encode-hz)
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187
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188 (make-coding-system
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189 'hz-gb-2312 'no-conversion
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190 "Hz/ZW (Chinese)"
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191 '(mnemonic "Zh-GB/Hz"
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192 eol-type lf
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193 post-read-conversion post-read-decode-hz
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194 pre-write-conversion pre-write-encode-hz
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195 documentation "Hz/ZW 7-bit encoding for Chinese GB2312 (MIME:HZ-GB-2312)"
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196 ))
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197
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198 ;; (define-coding-system-alias 'hz-gb-2312 'chinese-hz)
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199 ;; (define-coding-system-alias 'hz 'chinese-hz)
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200
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201 (define-coding-system-alias 'hz 'hz-gb-2312)
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202
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203 (defun post-read-decode-hz (len)
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204 (let ((pos (point))
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205 (buffer-modified-p (buffer-modified-p))
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206 ;last-coding-system-used
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207 )
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208 (prog1
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209 (decode-hz-region pos (+ pos len))
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210 (set-buffer-modified-p buffer-modified-p))))
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211
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212 (defun pre-write-encode-hz (from to)
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213 (let ((buf (current-buffer)))
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214 (set-buffer (generate-new-buffer " *temp*"))
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215 (if (stringp from)
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216 (insert from)
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217 (insert-buffer-substring buf from to))
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218 ;(let (last-coding-system-used)
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219 (encode-hz-region 1 (point-max))
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220 nil))
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221
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222 (set-language-info-alist
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223 "Chinese-GB" '((setup-function . setup-chinese-gb-environment-internal)
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224 (charset chinese-gb2312 chinese-sisheng)
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225 (coding-system cn-gb-2312 iso-2022-7bit hz-gb-2312)
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226 (coding-priority cn-gb-2312 big5 iso-2022-7bit)
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227 (cygwin-locale "zh")
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228 (mswindows-locale ("CHINESE" . "CHINESE_SIMPLIFIED"))
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229 (native-coding-system cn-gb-2312)
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230 (input-method . "chinese-py-punct")
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231 (features china-util)
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232 (sample-text . "Chinese ($AVPND(B,$AFUM(;0(B,$A::So(B) $ADc:C(B")
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233 (documentation .
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234 "Supports Simplified Chinese, used in mainland China.
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235 Uses the GB2312 character set."))
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236 '("Chinese"))
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237
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238 ;; Set the locale information separately so that the lambda gets compiled.
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239 (set-language-info "Chinese-GB"
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240 'locale
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241 (list "zh_CN.eucCN" "zh_CN.EUC" "zh_CN" "chinese-s" "zh"
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242 (lambda (arg)
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243 (and arg (let ((case-fold-search t))
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244 (string-match "^zh_.*.GB.*" arg))))))
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245
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246 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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247 ;; Chinese BIG5 (traditional)
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248 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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249
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250 ;; (make-coding-system
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251 ;; 'chinese-big5 3 ?B "BIG5 8-bit encoding for Chinese (MIME:CN-BIG5)"
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252 ;; nil
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253 ;; '((safe-charsets ascii chinese-big5-1 chinese-big5-2)
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254 ;; (mime-charset . cn-big5)
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255 ;; (charset-origin-alist (chinese-big5-1 "BIG5" encode-big5-char)
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256 ;; (chinese-big5-2 "BIG5" encode-big5-char))))
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257
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258 (make-coding-system
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259 'big5 'big5
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260 "Big5"
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261 '(mnemonic "Zh/Big5"
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262 documentation
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263 "A non-modal encoding formed by five large Taiwanese companies
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264 \(hence \"Big5\") to produce a character set and encoding for
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265 traditional Chinese writing. Big5 encodes some 13,000+ characters.
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266 ASCII is encoded as normal, and Chinese characters as two bytes, but
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267 Chinese characters do not exclusively use the high half. The first
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268 byte is in the high half standard position A1-FE, but the second byte
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269 is in either low 40-7E or high A1-FE. Thus Big5 suffers from the
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270 classic \"it might look like a slash, but it's really the second byte
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271 of a Chinese character\"."))
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272
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273 ;; (define-coding-system-alias 'big5 'chinese-big5)
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274 ;; (define-coding-system-alias 'cn-big5 'chinese-big5)
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275
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276 (define-coding-system-alias 'cn-big5 'big5)
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277
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278 ;; Big5 font requires special encoding.
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279 (define-ccl-program ccl-encode-big5-font
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280 `(0
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281 ;; In: R0:chinese-big5-1 or chinese-big5-2
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282 ;; R1:position code 1
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283 ;; R2:position code 2
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284 ;; Out: R1:font code point 1
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285 ;; R2:font code point 2
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286 ((r2 = ((((r1 - #x21) * 94) + r2) - #x21))
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287 (if (r0 == ,(charset-id 'chinese-big5-2)) (r2 += 6280))
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288 (r1 = ((r2 / 157) + #xA1))
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289 (r2 %= 157)
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290 (if (r2 < #x3F) (r2 += #x40) (r2 += #x62))))
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291 "CCL program to encode a Big5 code to code point of Big5 font.")
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292
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444
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293 (set-charset-ccl-program 'chinese-big5-1 'ccl-encode-big5-font)
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294 (set-charset-ccl-program 'chinese-big5-2 'ccl-encode-big5-font)
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295
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296 (set-language-info-alist
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297 "Chinese-BIG5" '((charset chinese-big5-1 chinese-big5-2)
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298 (coding-system big5 iso-2022-7bit)
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299 (coding-priority big5 cn-gb-2312 iso-2022-7bit)
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300 (cygwin-locale "zh_TW")
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301 (mswindows-locale ("CHINESE" . "CHINESE_TRADITIONAL"))
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302 (native-coding-system big5)
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303 (input-method . "chinese-py-punct-b5")
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304 (features china-util)
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305 (sample-text . "Cantonese ($(0GnM$(B,$(0N]0*Hd(B) $(0*/=((B, $(0+$)p(B")
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771
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306 (documentation .
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307 "Supports Traditional Chinese, used in Taiwan, Hong Kong, and Singapore.
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308 Uses the Chinese Big5 character set."
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309 ))
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310 '("Chinese"))
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311
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312 ;; Set the locale information separately so that the lambda gets compiled.
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313 (set-language-info "Chinese-BIG5"
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314 'locale
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315 (list "zh_TW.Big5" "zh_TW.big5" "zh_CN.big5" "zh_TW"
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316 "chinese-t"
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317 (lambda (arg)
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318 (and arg (let ((case-fold-search t))
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319 (string-match "^zh_.*.BIG5.*" arg))))))
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320
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321 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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322 ;; Chinese CNS11643 (traditional)
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323 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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324
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325 ;; (set-language-info-alist
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326 ;; "Chinese-CNS" '((charset chinese-cns11643-1 chinese-cns11643-2
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327 ;; chinese-cns11643-3 chinese-cns11643-4
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328 ;; chinese-cns11643-5 chinese-cns11643-6
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329 ;; chinese-cns11643-7)
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330 ;; (coding-system iso-2022-cn)
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331 ;; (coding-priority iso-2022-cn chinese-big5 chinese-iso-8bit)
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332 ;; (features china-util)
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333 ;; (input-method . "chinese-cns-quick")
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334 ;; (documentation . "Support for Chinese CNS character sets."))
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335 ;; '("Chinese"))
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336
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337 ;;; chinese.el ends here
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