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1 ;;;
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2 ;;; emu-orig.el --- Mule 2 emulation module for Original Emacs and XEmacs
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3 ;;;
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4 ;;; Copyright (C) 1995 Free Software Foundation, Inc.
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5 ;;; Copyright (C) 1994 .. 1996 MORIOKA Tomohiko
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6 ;;;
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7 ;;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
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8 ;;; Version:
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9 ;;; $Id: emu-orig.el,v 1.1.1.1 1996/12/18 03:55:31 steve Exp $
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10 ;;; Keywords: emulation, compatibility, Mule
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11 ;;;
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12 ;;; This file is part of tl (Tiny Library).
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13 ;;;
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14 ;;; This program is free software; you can redistribute it and/or
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15 ;;; modify it under the terms of the GNU General Public License as
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16 ;;; published by the Free Software Foundation; either version 2, or
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17 ;;; (at your option) any later version.
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18 ;;;
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19 ;;; This program is distributed in the hope that it will be useful,
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20 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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21 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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22 ;;; General Public License for more details.
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23 ;;;
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24 ;;; You should have received a copy of the GNU General Public License
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25 ;;; along with This program. If not, write to the Free Software
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26 ;;; Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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27 ;;;
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28 ;;; Code:
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29
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30 ;;; @ leading-char
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31 ;;;
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32
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33 (defconst lc-ascii 0)
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34 (defconst lc-ltn1 129)
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35
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36 (defun char-leading-char (chr)
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37 "Return leading character of CHAR.
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38 \[emu-orig.el; Mule emulating function]"
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39 (if (< chr 128)
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40 lc-ascii
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41 lc-ltn1))
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42
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43 (defalias 'get-lc 'char-leading-char)
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44
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45 (defun find-charset-string (str)
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46 "Return a list of leading-chars in the string.
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47 \[emu-orig.el; Mule emulating function]"
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48 (if (string-match "[\200-\377]" str)
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49 (list lc-ltn1)
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50 ))
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51
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52 (defun find-charset-region (start end)
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53 "Return a list of leading-chars in the region between START and END.
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54 \[emu-orig.el; Mule emulating function]"
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55 (if (save-excursion
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56 (save-restriction
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57 (narrow-to-region start end)
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58 (goto-char start)
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59 (re-search-forward "[\200-\377]" nil t)
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60 ))
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61 (list lc-ltn1)
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62 ))
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63
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64
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65 ;;; @ coding-system
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66 ;;;
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67
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68 (defconst *internal* nil)
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69 (defconst *ctext* nil)
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70 (defconst *noconv* nil)
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71
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72 (defun code-convert-string (str ic oc)
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73 "Convert code in STRING from SOURCE code to TARGET code,
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74 On successful converion, returns the result string,
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75 else returns nil. [emu-orig.el; Mule emulating function]"
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76 str)
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77
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78 (defun code-convert-region (beg end ic oc)
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79 "Convert code of the text between BEGIN and END from SOURCE
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80 to TARGET. On successful conversion returns t,
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81 else returns nil. [emu-orig.el; Mule emulating function]"
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82 t)
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83
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84 (defun code-detect-region (beg end)
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85 "Detect coding-system of the text in the region between START and END.
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86 \[emu-orig.el; Mule emulating function]"
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87 )
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88
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89 (defun set-file-coding-system (coding-system &optional force)
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90 )
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91
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92
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93 ;;; @ character and string
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94 ;;;
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95
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96 (defun char-bytes (chr) 1)
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97 (defun char-width (chr) 1)
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98
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99 (defalias 'string-width 'length)
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100
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101 (defun string-to-char-list (str)
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102 (mapcar (function identity) str)
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103 )
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104
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105 (defun truncate-string (str width &optional start-column)
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106 "Truncate STR to fit in WIDTH columns.
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107 Optional non-nil arg START-COLUMN specifies the starting column.
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108 \[emu-orig.el; Mule 2.3 emulating function]"
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109 (or start-column
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110 (setq start-column 0))
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111 (substring str start-column width)
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112 )
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113
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114
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115 ;;; @ etc
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116 ;;;
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117
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118 (cond (running-xemacs
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119 (require 'emu-xemacs))
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120 (running-emacs-19
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121 (require 'emu-19)
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122 ))
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123
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124
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125 ;;; @ end
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126 ;;;
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127
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128 (provide 'emu-orig)
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129
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130 ;;; emu-orig.el ends here
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