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1 ;;; quail/lao.el --- Quail package for inputting Lao characters
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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: multilingual, input method, Lao
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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
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22 ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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23
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24 ;;; Code:
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25
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26 (require 'quail)
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27 (require 'language/lao-util)
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28
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29 (eval-and-compile
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30
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31 (defconst lao-keyboard-mapping
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32 [0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ; control codes
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33 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ; control codes
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34 0 "1" "=" "3" "4" "(1l(B" "5" "(1'(B" ; SPC .. '
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35 "7" "8" "6" "(1mh(B" "(1A(B" "9" "(1c(B" "(1=(B" ; ( .. /
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36 "(1"(B" "(1B(B" "(1?(B" "(1b(B" "(16(B" "(1X(B" "(1Y(B" "(1$(B" ; 0 .. 7
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37 "(15(B" "(1((B" "%" "(1G(B" "(1}(B" "(1m(B" ">" "\)" ; 8 .. ?
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38 "2" "(1Qi(B" "(1Vi(B" "(1O(B" "." "(1Si(B" "," ":" ; @ .. G
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39 "(1j(B" "(1N(B" "(1k(B" "!" "?" "(1f(B" "(1Wi(B" "(1|(B" ; H .. O
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40 "(1](B" "(1[i(B" "_" ";" "+" "(1Ui(B" "x" "0" ; P .. W
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41 "\(" "(1Ti(B" "\"" "(1:(B" 0 "(1E(B" "(1\(B" "(1*(B" ; X .. _
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42 "(1'(B" "(1Q(B" "(1V(B" "(1a(B" "(1!(B" "(1S(B" "(14(B" "(1`(B" ; ` .. g
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43 "(1i(B" "(1C(B" "(1h(B" "(1R(B" "(1J(B" "(17(B" "(1W(B" "(19(B" ; h .. o
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44 "(1-(B" "(1[(B" "(1>(B" "(1K(B" "(1P(B" "(1U(B" "(1M(B" "(1d(B" ; p .. w
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45 "(1;(B" "(1T(B" "(1<(B" "-" "(1K\(B" "/" "~" 0] ; x .. DEL
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46 "A table which maps ASCII key codes to corresponding Lao characters."
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47 )
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48
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49 )
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50
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51 ;; Template of a cdr part of a Quail map when a consonant is entered.
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52 (defvar lao-consonant-alist nil)
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53 ;; Template of a cdr part of a Quail map when a vowel upper is entered.
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54 (defvar lao-vowel-upper-alist nil)
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55 ;; Template of a cdr part of a Quail map when a vowel lower is entered.
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56 (defvar lao-vowel-lower-alist nil)
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57 ;; Template of a cdr part of a Quail map when a semivowel lower is entered.
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58 (defvar lao-semivowel-lower-alist nil)
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59
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60 ;; Return a Quail map corresponding to KEY of length LEN.
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61 ;; The car part of the map is a translation generated automatically.
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62 ;; The cdr part of the map is a copy of ALIST.
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63 (defun lao-generate-quail-map (key len alist)
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64 (let ((str "")
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65 (idx 0))
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66 (while (< idx len)
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67 (setq str (concat str (aref lao-keyboard-mapping (aref key idx)))
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68 idx (1+ idx)))
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69 (cons (string-to-char (compose-string str)) (copy-alist alist))))
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70
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71 ;; Return a Quail map corresponding to KEY of length LEN when Lao
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72 ;; tone mark is entered.
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73 (defun lao-tone-input (key len)
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74 (lao-generate-quail-map key len nil))
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75
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76 ;; Return a Quail map corresponding to KEY of length LEN when Lao
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77 ;; vowel upper is entered.
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78 (defun lao-vowel-upper-input (key len)
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79 (lao-generate-quail-map key len lao-vowel-upper-alist))
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80
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81 ;; Return a Quail map corresponding to KEY of length LEN when Lao
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82 ;; vowel lower is entered.
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83 (defun lao-vowel-lower-input (key len)
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84 (lao-generate-quail-map key len lao-vowel-lower-alist))
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85
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86 ;; Return a Quail map corresponding to KEY of length LEN when Lao
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87 ;; semivowel lower is entered.
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88 (defun lao-semivowel-lower-input (key len)
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89 (lao-generate-quail-map key len lao-semivowel-lower-alist))
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90
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91 ;; Return an alist which can be a cdr part of a Quail map
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92 ;; corresponding to the current key when Lao consonant is entered.
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93 (defun lao-consonant-input (key len)
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94 (copy-alist lao-consonant-alist))
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95
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96 (quail-define-package "quail-lao" "Lao" "Lao" t
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97 "Lao input method with TIS620 characters:"
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98 nil t t t t)
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99
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100 (defmacro lao-quail-define-rules (&rest rules)
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101 (let ((l rules)
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102 consonant-alist
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103 vowel-upper-alist
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104 vowel-lower-alist
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105 semivowel-lower-alist
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106 rule trans ch c-set)
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107 (while l
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108 (setq rule (car l))
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109 (setq trans (nth 1 rule))
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110 (if (consp trans)
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111 (setq trans (car trans)))
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112 (setq c-set (char-category-set (string-to-char trans)))
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113 (cond ((aref c-set ?2) ; vowel upper
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114 (setq consonant-alist
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115 (cons (cons (string-to-char (car rule))
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116 'lao-vowel-upper-input)
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117 consonant-alist)))
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118 ((aref c-set ?3) ; vowel lower
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119 (setq consonant-alist
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120 (cons (cons (string-to-char (car rule))
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121 'lao-vowel-lower-input)
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122 consonant-alist)
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123 semivowel-lower-alist
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124 (cons (cons (string-to-char (car rule))
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125 'lao-vowel-lower-input)
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126 semivowel-lower-alist)))
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127 ((aref c-set ?4) ; tone
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128 (setq consonant-alist
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129 (cons (cons (string-to-char (car rule))
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130 'lao-tone-input)
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131 consonant-alist)
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132 vowel-upper-alist
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133 (cons (cons (string-to-char (car rule))
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134 'lao-tone-input)
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135 vowel-upper-alist)
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136 vowel-lower-alist
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137 (cons (cons (string-to-char (car rule))
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138 'lao-tone-input)
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139 vowel-lower-alist)))
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140 ((aref c-set ?9) ; semivowel lower
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141 (setq consonant-alist
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142 (cons (cons (string-to-char (car rule))
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143 'lao-semivowel-lower-input)
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144 consonant-alist)
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145 vowel-upper-alist
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146 (cons (cons (string-to-char (car rule))
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147 'lao-semivowel-lower-input)
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148 vowel-upper-alist))))
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149 (setq l (cdr l)))
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150 (list 'progn
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151 (cons 'quail-define-rules rules)
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152 `(setq lao-consonant-alist ',consonant-alist
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153 lao-vowel-upper-alist ',vowel-upper-alist
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154 lao-vowel-lower-alist ',vowel-lower-alist
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155 lao-semivowel-lower-alist ',semivowel-lower-alist))))
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156
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157 (lao-quail-define-rules
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158 ("!" "1")
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159 ("\"" "=")
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160 ("#" "3")
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161 ("$" "4")
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162 ("&" "5")
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163 ("%" "(1l(B")
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164 ("'" ("(1'(B" . lao-consonant-input))
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165 ("(" "7")
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166 (")" "8")
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167 ("*" "6")
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168 ("+" "0(1mh1(B")
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169 ("," ("(1A(B" . lao-consonant-input))
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170 ("-" "9")
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171 ("." "(1c(B")
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172 ("/" ("(1=(B" . lao-consonant-input))
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173 ("0" ("(1"(B" . lao-consonant-input))
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174 ("1" ("(1B(B" . lao-consonant-input))
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175 ("2" ("(1?(B" . lao-consonant-input))
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176 ("3" "(1b(B")
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177 ("4" ("(16(B" . lao-consonant-input))
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178 ("5" "(1X(B")
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179 ("6" "(1Y(B")
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180 ("7" ("(1$(B" . lao-consonant-input))
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181 ("8" ("(15(B" . lao-consonant-input))
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182 ("9" ("(1((B" . lao-consonant-input))
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183 (":" "%")
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184 (";" ("(1G(B" . lao-consonant-input))
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185 ("<" ("(1}(B" . lao-consonant-input))
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186 ("=" "(1m(B")
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187 (">" ">")
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188 ("?" ")")
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189 ("@" "2")
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190 ("A" "0(1Qi1(B")
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191 ("B" "0(1Vi1(B")
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192 ("C" "(1O(B")
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193 ("D" ".")
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194 ("E" "0(1Si1(B")
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195 ("F" ",")
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196 ("G" ":")
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197 ("H" "(1j(B")
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198 ("I" ("(1N(B" . lao-consonant-input))
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199 ("J" "(1k(B")
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200 ("K" "!")
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201 ("L" "?")
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202 ("M" "(1f(B")
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203 ("N" "0(1Wi1(B")
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204 ("O" ("(1|(B" . lao-consonant-input))
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205 ("P" "(1](B")
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206 ("Q" "0(1[i1(B")
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207 ("R" "_")
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208 ("S" ";")
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209 ("T" "+")
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210 ("U" "0(1Ui1(B")
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211 ("V" "x")
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212 ("W" "0")
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213 ("X" "(")
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214 ("Y" "0(1Ti1(B")
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215 ("Z" "\"")
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216 ("[" ("(1:(B" . lao-consonant-input))
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217 ("]" ("(1E(B" . lao-consonant-input))
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218 ("^" "(1\(B")
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219 ("_" ("(1*(B" . lao-consonant-input))
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220 ("`" ("(1'(B" . lao-consonant-input))
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221 ("a" "(1Q(B")
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222 ("b" "(1V(B")
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223 ("c" "(1a(B")
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224 ("d" ("(1!(B" . lao-consonant-input))
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225 ("e" "(1S(B")
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226 ("f" ("(14(B" . lao-consonant-input))
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227 ("g" "(1`(B")
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228 ("h" "(1i(B")
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229 ("i" ("(1C(B" . lao-consonant-input))
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230 ("j" "(1h(B")
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231 ("k" "(1R(B")
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232 ("l" ("(1J(B" . lao-consonant-input))
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233 ("m" ("(17(B" . lao-consonant-input))
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234 ("n" "(1W(B")
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235 ("o" ("(19(B" . lao-consonant-input))
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236 ("p" ("(1-(B" . lao-consonant-input))
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237 ("q" "(1[(B")
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238 ("r" ("(1>(B" . lao-consonant-input))
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239 ("s" ("(1K(B" . lao-consonant-input))
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240 ("t" "(1P(B")
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241 ("u" "(1U(B")
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242 ("v" ("(1M(B" . lao-consonant-input))
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243 ("w" "(1d(B")
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244 ("x" ("(1;(B" . lao-consonant-input))
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245 ("y" "(1T(B")
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246 ("z" ("(1<(B" . lao-consonant-input))
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247 ("{" "-")
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248 ("|" ("0(1K\1(B" . lao-consonant-input))
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249 ("}" "/")
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250 ("~" "(1l(B")
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251 ("\\0" "(1p(B")
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252 ("\\1" "(1q(B")
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253 ("\\2" "(1r(B")
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254 ("\\3" "(1s(B")
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255 ("\\4" "(1t(B")
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256 ("\\5" "(1u(B")
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257 ("\\6" "(1v(B")
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258 ("\\7" "(1w(B")
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259 ("\\8" "(1x(B")
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260 ("\\9" "(1y(B")
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261 )
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262
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263
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264 ;;; quail/lao.el ends here
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