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1 ;;; english.el --- English support
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2
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3 ;; Copyright (C) 1997 Free Software Foundation, Inc.
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4 ;; Copyright (C) 1997 Electrotechnical Laboratory, JAPAN.
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5
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6 ;; Keywords: multibyte character, character set, syntax, category
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7
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8 ;; This file is part of GNU Emacs.
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9
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10 ;; GNU Emacs is free software; you can redistribute it and/or modify
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11 ;; it under the terms of the GNU General Public License as published by
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12 ;; the Free Software Foundation; either version 2, or (at your option)
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13 ;; any later version.
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14
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15 ;; GNU Emacs is distributed in the hope that it will be useful,
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16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 ;; GNU General Public License for more details.
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19
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20 ;; You should have received a copy of the GNU General Public License
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21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
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22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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23 ;; Boston, MA 02111-1307, USA.
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24
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25 ;;; Commentary:
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26
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27 ;; We need nothing special to support English on Emacs. Selecting
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28 ;; English as a language environment is one of the ways to reset
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29 ;; various multilingual environment to the original settting.
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30
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31 ;;; Code
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32
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33 (defun setup-english-environment ()
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34 "Reset multilingual environment of Emacs to the default status.
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35 The default status is as follows.
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36
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37 The default value of enable-multibyte-characters is t.
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38
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39 The default value of buffer-file-coding-system is iso-8859-1.
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40 The coding system for terminal output is nil.
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41 The coding system for keyboard input is nil.
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42
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43 The order of priorities of coding categories and the coding system
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44 bound to each category are as follows
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45 coding category coding system
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46 --------------------------------------------------
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47 coding-category-iso-7 iso-2022-7
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48 coding-category-iso-8-2 iso-8859-1
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49 coding-category-iso-8-1 iso-8859-1
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50 coding-category-iso-else iso-8859-1
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51 coding-category-internal internal
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52 coding-category-binary no-conversion
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53 coding-category-sjis sjis
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54 coding-category-big5 big5
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55 "
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56 (interactive)
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57 (setq-default enable-multibyte-characters t)
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58 (if (local-variable-p 'enable-multibyte-characters)
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59 (setq enable-multibyte-characters t))
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60
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61 (setq coding-category-internal 'internal
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62 coding-category-iso-7 'iso-2022-7
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63 coding-category-iso-8-1 'iso-8859-1
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64 coding-category-iso-8-2 'iso-8859-1
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65 coding-category-iso-else 'iso-8859-1
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66 coding-category-sjis 'sjis
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67 coding-category-big5 'big5
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68 coding-category-binary 'no-conversion)
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69
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70 (set-coding-priority
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71 '(coding-category-iso-7
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72 coding-category-iso-8-2
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73 coding-category-iso-8-1
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74 coding-category-iso-else
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75 coding-category-internal
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76 coding-category-binary
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77 coding-category-sjis
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78 coding-category-big5))
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79
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80 (setq-default buffer-file-coding-system 'iso-8859-1)
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81 (set-terminal-coding-system nil)
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82 (set-keyboard-coding-system nil)
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83
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84 (setq sendmail-coding-system nil
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85 rmail-file-coding-system nil)
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86 )
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87
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88 (defun describe-english-support ()
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89 "Describe how Emacs support English."
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90 (interactive)
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91 (describe-language-support-internal "English"))
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92
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93 (set-language-info-alist
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94 "English" '((setup-function . setup-english-environment)
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95 (describe-function . describe-english-support)
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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 There's nothing special you should care to handle English in Emacs.
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101 You can use English both with enable-multibyte-characters t and nil.")
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102 ))
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103
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104 (register-input-method "English"
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105 '("quail-dvorak" quail-use-package "quail/latin"))
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171
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106 (register-input-method "British"
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107 '("quail-british" quail-use-package "quail/latin"))
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159
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108
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109 ;;; english.el ends here
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