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1 ;;; gnus-charset.el --- MIME charset extension for Gnus
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2
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3 ;; Copyright (C) 1995,1996 Free Software Foundation, Inc.
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4
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5 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
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6 ;; Created: 1996/8/6
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7 ;; Version:
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74
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8 ;; $Id: gnus-charset.el,v 1.1.1.2 1996/12/21 20:50:47 steve Exp $
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4
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9 ;; Keywords: news, MIME, multimedia, multilingual, encoded-word
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10
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11 ;; This file is not part of GNU Emacs yet.
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12
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13 ;; This program is free software; you can redistribute it and/or
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14 ;; modify it under the terms of the GNU General Public License as
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15 ;; published by the Free Software Foundation; either version 2, or (at
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16 ;; your option) any later version.
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17
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18 ;; This program is distributed in the hope that it will be useful, but
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19 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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20 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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21 ;; General Public License for more details.
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22
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23 ;; You should have received a copy of the GNU General Public License
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24 ;; along with GNU Emacs; see the file COPYING. If not, write to the
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25 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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26 ;; Boston, MA 02111-1307, USA.
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27
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28 ;;; Code:
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29
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30 (require 'gnus)
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31
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32 (defvar gnus-is-red-gnus-or-later
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33 (or (featurep 'gnus-load)
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34 (module-installed-p 'gnus-sum)
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35 ))
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36
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37
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38 ;;; @ newsgroup default charset
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39 ;;;
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40
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41 (defvar gnus-newsgroup-default-charset-alist nil)
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42
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43 (defun gnus-set-newsgroup-default-charset (newsgroup charset)
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44 "Set CHARSET for the NEWSGROUP as default MIME charset."
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45 (let* ((ng-regexp (concat "^" (regexp-quote newsgroup) "\\($\\|\\.\\)"))
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46 (pair (assoc ng-regexp gnus-newsgroup-default-charset-alist))
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47 )
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48 (if pair
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49 (setcdr pair charset)
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50 (setq gnus-newsgroup-default-charset-alist
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51 (cons (cons ng-regexp charset)
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52 gnus-newsgroup-default-charset-alist))
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53 )))
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54
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55
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56 ;;; @ for mule (Multilingual support)
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57 ;;;
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58
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59 (cond
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60 ((featurep 'mule)
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61 (require 'emu)
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62 (defvar nntp-open-binary-connection-function
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63 (if gnus-is-red-gnus-or-later
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64 ;; maybe Red Gnus
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65 (if (boundp 'nntp-open-connection-function)
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66 nntp-open-connection-function
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67 'nntp-open-network-stream)
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68 ;; maybe Gnus 5.[01] or Gnus 5.[23]
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69 (if (boundp 'nntp-open-server-function)
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70 nntp-open-server-function
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71 'nntp-open-network-stream)
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72 ))
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73 (defun nntp-open-network-stream-with-no-code-conversion (&rest args)
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74 (let ((proc (apply nntp-open-binary-connection-function args)))
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75 (set-process-input-coding-system proc *noconv*)
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76 proc))
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77 (if gnus-is-red-gnus-or-later
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78 (setq nntp-open-connection-function
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79 'nntp-open-network-stream-with-no-code-conversion)
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80 (setq nntp-open-server-function
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81 'nntp-open-network-stream-with-no-code-conversion)
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82 )
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83 (call-after-loaded
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84 'nnheader
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85 (lambda ()
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74
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86 (defun nnheader-find-file-noselect (&rest args)
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87 (as-binary-input-file
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88 (let ((format-alist nil)
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89 (auto-mode-alist (nnheader-auto-mode-alist))
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90 (default-major-mode 'fundamental-mode)
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91 (after-insert-file-functions ; for jam-code-guess
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92 (if (memq 'jam-code-guess-after-insert-file-function
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93 after-insert-file-functions)
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94 '(jam-code-guess-after-insert-file-function))))
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95 (apply 'find-file-noselect args)))
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4
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96 )
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74
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97 ;; Red Gnus 0.67 or later
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98 (defun nnheader-insert-file-contents
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99 (filename &optional visit beg end replace)
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100 (as-binary-input-file
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74
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101 (let ((format-alist nil)
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102 (auto-mode-alist (nnheader-auto-mode-alist))
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103 (default-major-mode 'fundamental-mode)
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104 (enable-local-variables nil)
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105 (after-insert-file-functions ; for jam-code-guess
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106 (if (memq 'jam-code-guess-after-insert-file-function
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107 after-insert-file-functions)
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108 '(jam-code-guess-after-insert-file-function))))
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109 (insert-file-contents filename visit beg end replace))
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110 ))
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111 ;; imported from Red Gnus 0.66
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112 (or (fboundp 'nnheader-auto-mode-alist)
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113 (defun nnheader-auto-mode-alist ()
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114 (let ((alist auto-mode-alist)
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115 out)
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116 (while alist
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117 (when (listp (cdar alist))
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118 (push (car alist) out))
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119 (pop alist))
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120 (nreverse out)))
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121 )
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122 ;; alias for Old Gnus
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123 (defalias 'nnheader-insert-file-contents-literally
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124 'nnheader-insert-file-contents)
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4
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125 ))
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126 (call-after-loaded
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127 'nnmail
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128 (lambda ()
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129 (defun nnmail-find-file (file)
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130 "Insert FILE in server buffer safely. [gnus-charset.el]"
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131 (set-buffer nntp-server-buffer)
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132 (erase-buffer)
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133 (let ((format-alist nil)
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134 (after-insert-file-functions ; for jam-code-guess
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135 (if (memq 'jam-code-guess-after-insert-file-function
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136 after-insert-file-functions)
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137 '(jam-code-guess-after-insert-file-function)))
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138 )
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139 (as-binary-input-file
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140 (condition-case ()
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141 (progn (insert-file-contents file) t)
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142 (file-error nil))
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143 )))
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144 ))
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145 (defun gnus-prepare-save-mail-function ()
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146 (setq file-coding-system *noconv*
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147 coding-system-for-write 'no-conversion)
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4
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148 )
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149 (add-hook 'nnmail-prepare-save-mail-hook
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150 'gnus-prepare-save-mail-function)
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151
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152 (gnus-set-newsgroup-default-charset "alt.chinese" 'hz-gb-2312)
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153 (gnus-set-newsgroup-default-charset "alt.chinese.text.big5" 'cn-big5)
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154 (gnus-set-newsgroup-default-charset "fj" 'iso-2022-jp-2)
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155 (gnus-set-newsgroup-default-charset "han" 'euc-kr)
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156 (gnus-set-newsgroup-default-charset "hk" 'cn-big5)
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157 (gnus-set-newsgroup-default-charset "hkstar" 'cn-big5)
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158 (gnus-set-newsgroup-default-charset "relcom" 'koi8-r)
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159 (gnus-set-newsgroup-default-charset "tw" 'cn-big5)
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160 ))
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161
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162
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163 ;;; @ end
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164 ;;;
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165
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166 (provide 'gnus-charset)
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167
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168 ;;; gnus-charset.el ends here
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