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1 ;;; english.el --- English support
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2
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3 ;; Copyright (C) 1997 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
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7 ;; Keywords: multibyte character, character set, syntax, category
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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 ;; We need nothing special to support English on Emacs. Selecting
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29 ;; English as a language environment is one of the ways to reset
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30 ;; various multilingual environment to the original settting.
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31
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32 ;; modified for XEmacs by MORIOKA Tomohiko
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33
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34 ;;; Code
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35
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36 (defun setup-english-environment ()
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37 "Reset multilingual environment of Emacs to the default status.
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38 The default status is as follows.
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39
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40 The default value of enable-multibyte-characters is t.
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41
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42 The default value of buffer-file-coding-system is nil.
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43 The coding system for terminal output is nil.
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44 The coding system for keyboard input is nil.
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45
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46 The order of priorities of coding categories and the coding system
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47 bound to each category are as follows
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48 coding category coding system
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49 --------------------------------------------------
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50 coding-category-iso-7 iso-2022-7bit
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51 coding-category-iso-8-1 iso-8859-1
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52 coding-category-iso-8-2 iso-8859-1
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53 coding-category-iso-7-else iso-2022-7bit-lock
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54 coding-category-iso-8-else iso-2022-8bit-ss2
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55 coding-category-emacs-mule no-conversion
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56 coding-category-sjis japanese-shift-jis
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57 coding-category-big5 chinese-big5
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58 coding-category-binarry no-conversion
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59 "
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60 (interactive)
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61 (setq-default enable-multibyte-characters t)
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62
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63 (setq coding-category-iso-7 'iso-2022-7bit
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64 coding-category-iso-8-1 'iso-8859-1
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65 coding-category-iso-8-2 'iso-8859-1
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66 coding-category-iso-7-else 'iso-2022-7bit-lock
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67 coding-category-iso-8-else 'iso-2022-8bit-ss2
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68 coding-category-emacs-mule 'no-conversion
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69 coding-category-sjis 'japanese-shift-jis
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70 coding-category-big5 'chinese-big5
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71 coding-category-binary 'binary)
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72
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73 (set-coding-priority
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74 '(coding-category-iso-7
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75 coding-category-iso-8-2
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76 coding-category-iso-8-1
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77 coding-category-iso-7-else
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78 coding-category-iso-8-else
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79 coding-category-emacs-mule
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80 coding-category-raw-text
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81 coding-category-sjis
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82 coding-category-big5
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83 coding-category-binary))
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84
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85 (set-default-coding-systems nil)
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86 ;; Don't alter the terminal and keyboard coding systems here.
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87 ;; The terminal still supports the same coding system
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88 ;; that it supported a minute ago.
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89 ;;; (set-terminal-coding-system-internal nil)
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90 ;;; (set-keyboard-coding-system-internal nil)
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91
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92 (setq nonascii-insert-offset 0))
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93
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94 (set-language-info-alist
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95 "English" '((setup-function . setup-english-environment)
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96 (tutorial . "TUTORIAL")
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97 (charset . (ascii))
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98 (sample-text . "Hello!, Hi!, How are you?")
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99 (documentation . "\
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100 Nothing special is needed to handle English.")
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101 ))
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102
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103 ;; Make "ASCII" an alias of "English" language environment.
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104 (set-language-info-alist
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105 "ASCII" (cdr (assoc "English" language-info-alist)))
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106
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107 ;;; english.el ends here
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