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1 ;;; x-compose.el --- Compose-key processing in XEmacs
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2
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3 ;; Copyright (C) 1992, 1993, 1997 Free Software Foundation, Inc.
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4
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5 ;; Author: Jamie Zawinski <jwz@jwz.org>
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6 ;; Maintainer: XEmacs Development Team
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7 ;; Rewritten by Martin Buchholz far too many times.
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8 ;;
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9 ;; Changed: 11 Jun 1997 by Heiko Muenkel <muenkel@tnt.uni-hannover.de>
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10 ;; The degree sign couldn't be inserted with the old version.
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11 ;; Keywords: i18n
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12
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13 ;; This file is part of XEmacs.
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14
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15 ;; XEmacs is free software; you can redistribute it and/or modify it
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16 ;; under the terms of the GNU General Public License as published by
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17 ;; the Free Software Foundation; either version 2, or (at your option)
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18 ;; any later version.
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19
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20 ;; XEmacs is distributed in the hope that it will be useful, but
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21 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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22 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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23 ;; General Public License for more details.
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24
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25 ;; You should have received a copy of the GNU General Public License
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26 ;; along with XEmacs; see the file COPYING. If not, write to the
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27 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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28 ;; Boston, MA 02111-1307, USA.
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29
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30 ;;; Synched up with: Not in FSF.
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31
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32 ;;; Commentary:
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33
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34 ;; created by jwz, 14-jun-92.
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35 ;;; changed by Jan Vroonhof, July 1997: Use function-key-map instead
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36 ;;; of global map.
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37 ;;; Preliminary support for
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38 ;;; XFree86 deadkeys
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39
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40 ;; This file implements DEC-, OpenWindows-, and HP-compatible "Compose"
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41 ;; processing for XEmacs.
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42
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43 ;; If you are running a version of X which already does compose processing,
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44 ;; then you don't need this file. But the MIT R4 and R5 distributions don't
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45 ;; do compose processing, so you may want to fake it by using this code.
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46
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47 ;; The basic idea is that there are several ways to generate keysyms which
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48 ;; do not have keys devoted to them on your keyboard.
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49
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50 ;; The first method is by using "dead" keys. A dead key is a key which,
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51 ;; when typed, does not insert a character. Instead it modifies the
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52 ;; following character typed. So if you typed "dead-tilde" followed by "A",
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53 ;; then "A-tilde" would be inserted. Of course, this requires you to modify
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54 ;; your keyboard to include a "dead-tilde" key on it somewhere.
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55
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56 ;; The second method is by using a "Compose" key. With a Compose key, you
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57 ;; would type "Compose" then "tilde" then "A" to insert "A-tilde".
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58
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59 ;; There are a small number of dead keys: acute, grave, cedilla, diaeresis,
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60 ;; circumflex, tilde, and ring. There are a larger number of accented and
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61 ;; other characters accessible via the Compose key, so both are useful.
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62
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63 ;; To use this code, you will need to have a Compose key on your keyboard.
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64 ;; The default configuration of most X keyboards doesn't contain one. You
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65 ;; can, for example, turn the right "Meta" key into a "Compose" key with
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66 ;; this command:
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67
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68 ;; xmodmap -e "remove mod1 = Meta_R" -e "keysym Meta_R = Multi_key"
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69
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70 ;; Multi-key is the name that X (and emacs) know the "Compose" key by.
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71 ;; The "remove..." command is necessary because the "Compose" key must not
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72 ;; have any modifier bits associated with it. This exact command may not
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73 ;; work, depending on what system and keyboard you are using. If it
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74 ;; doesn't, you'll have to read the man page for xmodmap. You might want
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75 ;; to get the "xkeycaps" program from
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76 ;; <URL:http://www.jwz.org/xkeycaps/>,
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77 ;; which is a graphical front end to xmodmap
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78 ;; that hides xmodmap's arcane syntax from you.
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79
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80 ;; If for some reason you don't want to have a dedicated compose key on your
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81 ;; keyboard, you can use some other key as the prefix. For example, to make
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82 ;; "Meta-Shift-C" act as a compose key (so that "M-C , c" would insert the
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83 ;; character "ccedilla") you could do
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84
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85 ;; (global-set-key "\M-C" compose-map)
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86
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87 ;; I believe the bindings encoded in this file are the same as those used
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88 ;; by OpenWindows versions 2 and 3, and DEC VT320 terminals. Please let me
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89 ;; know if you think otherwise.
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90
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91 ;; Much thanks to Justin Bur <justin@crim.ca> for helping me understand how
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92 ;; this stuff is supposed to work.
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93
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94 ;; You also might want to consider getting Justin's patch for the MIT Xlib
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95 ;; that implements compose processing in the library. This will enable
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96 ;; compose processing in applications other than emacs as well. You can
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97 ;; get it from export.lcs.mit.edu in contrib/compose.tar.Z.
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98
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99 ;; This code has one feature that a more "builtin" Compose mechanism could
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100 ;; not have: at any point you can type C-h to get a list of the possible
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101 ;; completions of what you have typed so far.
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102
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103 ;;; Code:
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104
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105 (require 'x-iso8859-1)
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106
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107 (macrolet
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108 ((define-compose-map (keymap-symbol)
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109 `(progn
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110 (defconst ,keymap-symbol (make-sparse-keymap ',keymap-symbol))
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111 ;; Required to tell XEmacs the keymaps were actually autoloaded.
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112 ;; #### Make this unnecessary!
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113 (fset ',keymap-symbol ,keymap-symbol))))
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114
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115 (define-compose-map compose-map)
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116 (define-compose-map compose-acute-map)
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117 (define-compose-map compose-grave-map)
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118 (define-compose-map compose-cedilla-map)
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119 (define-compose-map compose-diaeresis-map)
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120 (define-compose-map compose-circumflex-map)
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121 (define-compose-map compose-tilde-map)
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122 (define-compose-map compose-ring-map))
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123
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124 (define-key compose-map 'acute compose-acute-map)
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125 (define-key compose-map 'grave compose-grave-map)
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126 (define-key compose-map 'cedilla compose-cedilla-map)
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127 (define-key compose-map 'diaeresis compose-diaeresis-map)
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128 (define-key compose-map 'circumflex compose-circumflex-map)
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129 (define-key compose-map 'tilde compose-tilde-map)
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130 (define-key compose-map 'degree compose-ring-map)
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131
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132 ;;(define-key function-key-map [multi-key] compose-map)
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133
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134 ;; The following is necessary, because one can't rebind [degree]
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135 ;; and use it to insert the degree sign!
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136 ;;(defun compose-insert-degree ()
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137 ;; "Inserts a degree sign."
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138 ;; (interactive)
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139 ;; (insert ?\260))
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140
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141 (define-key compose-map [acute] compose-acute-map)
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142 (define-key compose-map [?'] compose-acute-map)
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143 (define-key compose-map [grave] compose-grave-map)
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144 (define-key compose-map [?`] compose-grave-map)
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145 (define-key compose-map [cedilla] compose-cedilla-map)
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146 (define-key compose-map [?,] compose-cedilla-map)
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147 (define-key compose-map [diaeresis] compose-diaeresis-map)
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148 (define-key compose-map [?\"] compose-diaeresis-map)
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149 (define-key compose-map [circumflex] compose-circumflex-map)
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150 (define-key compose-map [?^] compose-circumflex-map)
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151 (define-key compose-map [tilde] compose-tilde-map)
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152 (define-key compose-map [~] compose-tilde-map)
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153 (define-key compose-map [degree] compose-ring-map)
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154 (define-key compose-map [?*] compose-ring-map)
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155
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156
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157 ;;; The contents of the "dead key" maps. These are shared by the
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158 ;;; compose-map.
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159
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160 (define-key compose-acute-map [space] "'")
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161 (define-key compose-acute-map [?'] [acute])
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162 (define-key compose-acute-map [?A] [Aacute])
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163 (define-key compose-acute-map [E] [Eacute])
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164 (define-key compose-acute-map [I] [Iacute])
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165 (define-key compose-acute-map [O] [Oacute])
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166 (define-key compose-acute-map [U] [Uacute])
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167 (define-key compose-acute-map [Y] [Yacute])
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168 (define-key compose-acute-map [a] [aacute])
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169 (define-key compose-acute-map [e] [eacute])
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170 (define-key compose-acute-map [i] [iacute])
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171 (define-key compose-acute-map [o] [oacute])
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172 (define-key compose-acute-map [u] [uacute])
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173 (define-key compose-acute-map [y] [yacute])
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174
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175 (define-key compose-grave-map [space] "`")
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176 (define-key compose-grave-map [?`] [grave])
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177 (define-key compose-grave-map [A] [Agrave])
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178 (define-key compose-grave-map [E] [Egrave])
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179 (define-key compose-grave-map [I] [Igrave])
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180 (define-key compose-grave-map [O] [Ograve])
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181 (define-key compose-grave-map [U] [Ugrave])
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182 (define-key compose-grave-map [a] [agrave])
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183 (define-key compose-grave-map [e] [egrave])
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184 (define-key compose-grave-map [i] [igrave])
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185 (define-key compose-grave-map [o] [ograve])
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186 (define-key compose-grave-map [u] [ugrave])
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187
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188 (define-key compose-cedilla-map [space] ",")
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189 (define-key compose-cedilla-map [?,] [cedilla])
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190 (define-key compose-cedilla-map [C] [Ccedilla])
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191 (define-key compose-cedilla-map [c] [ccedilla])
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192
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193 (define-key compose-diaeresis-map [space] [diaeresis])
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194 (define-key compose-diaeresis-map [?\"] [diaeresis])
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195 (define-key compose-diaeresis-map [A] [Adiaeresis])
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196 (define-key compose-diaeresis-map [E] [Ediaeresis])
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197 (define-key compose-diaeresis-map [I] [Idiaeresis])
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198 (define-key compose-diaeresis-map [O] [Odiaeresis])
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199 (define-key compose-diaeresis-map [U] [Udiaeresis])
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200 (define-key compose-diaeresis-map [a] [adiaeresis])
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201 (define-key compose-diaeresis-map [e] [ediaeresis])
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202 (define-key compose-diaeresis-map [i] [idiaeresis])
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203 (define-key compose-diaeresis-map [o] [odiaeresis])
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204 (define-key compose-diaeresis-map [u] [udiaeresis])
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205 (define-key compose-diaeresis-map [y] [ydiaeresis])
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206
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207 (define-key compose-circumflex-map [space] "^")
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208 (define-key compose-circumflex-map [?/] "|")
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209 (define-key compose-circumflex-map [?!] [brokenbar])
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210 (define-key compose-circumflex-map [?-] [macron])
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211 (define-key compose-circumflex-map [?_] [macron])
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212 (define-key compose-circumflex-map [?0] [degree])
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213 (define-key compose-circumflex-map [?1] [onesuperior])
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214 (define-key compose-circumflex-map [?2] [twosuperior])
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215 (define-key compose-circumflex-map [?3] [threesuperior])
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216 (define-key compose-circumflex-map [?.] [periodcentered])
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217 (define-key compose-circumflex-map [A] [Acircumflex])
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218 (define-key compose-circumflex-map [E] [Ecircumflex])
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219 (define-key compose-circumflex-map [I] [Icircumflex])
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220 (define-key compose-circumflex-map [O] [Ocircumflex])
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221 (define-key compose-circumflex-map [U] [Ucircumflex])
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222 (define-key compose-circumflex-map [a] [acircumflex])
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223 (define-key compose-circumflex-map [e] [ecircumflex])
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224 (define-key compose-circumflex-map [i] [icircumflex])
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225 (define-key compose-circumflex-map [o] [ocircumflex])
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226 (define-key compose-circumflex-map [u] [ucircumflex])
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227
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228 (define-key compose-tilde-map [space] "~")
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229 (define-key compose-tilde-map [A] [Atilde])
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230 (define-key compose-tilde-map [N] [Ntilde])
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231 (define-key compose-tilde-map [O] [Otilde])
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232 (define-key compose-tilde-map [a] [atilde])
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233 (define-key compose-tilde-map [n] [ntilde])
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234 (define-key compose-tilde-map [o] [otilde])
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235
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236 (define-key compose-ring-map [space] [degree])
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237 (define-key compose-ring-map [A] [Aring])
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238 (define-key compose-ring-map [a] [aring])
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239
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240
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241 ;;; The rest of the compose-map. These are the composed characters
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242 ;;; that are not accessible via "dead" keys.
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243
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244 (define-key compose-map " '" "'")
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245 (define-key compose-map " ^" "^")
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246 (define-key compose-map " `" "`")
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247 (define-key compose-map " ~" "~")
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248 (define-key compose-map " " [nobreakspace])
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249 (define-key compose-map " \"" [diaeresis])
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250 (define-key compose-map " :" [diaeresis])
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251 (define-key compose-map " *" [degree])
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252
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253 (define-key compose-map "!!" [exclamdown])
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254 (define-key compose-map "!^" [brokenbar])
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255 (define-key compose-map "!S" [section])
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256 (define-key compose-map "!s" [section])
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257 (define-key compose-map "!P" [paragraph])
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258 (define-key compose-map "!p" [paragraph])
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259
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260 (define-key compose-map "((" "[")
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261 (define-key compose-map "(-" "{")
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262
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263 (define-key compose-map "))" "]")
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264 (define-key compose-map ")-" "}")
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265
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266 (define-key compose-map "++" "#")
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267 (define-key compose-map "+-" [plusminus])
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268
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269 (define-key compose-map "-(" "{")
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270 (define-key compose-map "-)" "}")
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271 (define-key compose-map "--" "-")
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272 (define-key compose-map "-L" [sterling])
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273 (define-key compose-map "-l" [sterling])
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274 (define-key compose-map "-Y" [yen])
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275 (define-key compose-map "-y" [yen])
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276 (define-key compose-map "-," [notsign])
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277 (define-key compose-map "-|" [notsign])
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278 (define-key compose-map "-^" [macron])
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279 (define-key compose-map "-+" [plusminus])
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280 (define-key compose-map "-:" [division])
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281 (define-key compose-map "-D" [ETH])
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282 (define-key compose-map "-d" [eth])
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283 (define-key compose-map "-a" [ordfeminine])
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284
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285 (define-key compose-map ".^" [periodcentered])
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286
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287 (define-key compose-map "//" "\\")
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288 (define-key compose-map "/<" "\\")
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289 (define-key compose-map "/^" "|")
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290 (define-key compose-map "/C" [cent])
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291 (define-key compose-map "/c" [cent])
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292 (define-key compose-map "/U" [mu])
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293 (define-key compose-map "/u" [mu])
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294 (define-key compose-map "/O" [Ooblique])
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295 (define-key compose-map "/o" [oslash])
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296
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297 (define-key compose-map "0X" [currency])
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298 (define-key compose-map "0x" [currency])
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299 (define-key compose-map "0S" [section])
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300 (define-key compose-map "0s" [section])
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301 (define-key compose-map "0C" [copyright])
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302 (define-key compose-map "0c" [copyright])
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303 (define-key compose-map "0R" [registered])
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304 (define-key compose-map "0r" [registered])
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305 (define-key compose-map "0^" [degree])
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306
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307 (define-key compose-map "1^" [onesuperior])
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308 (define-key compose-map "14" [onequarter])
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309 (define-key compose-map "12" [onehalf])
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310
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311 (define-key compose-map "2^" [twosuperior])
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312
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313 (define-key compose-map "3^" [threesuperior])
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314 (define-key compose-map "34" [threequarters])
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315
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316 (define-key compose-map ":-" [division])
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317
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318 (define-key compose-map "</" "\\")
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319 (define-key compose-map "<<" [guillemotleft])
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320
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321 (define-key compose-map "=L" [sterling])
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322 (define-key compose-map "=l" [sterling])
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323 (define-key compose-map "=Y" [yen])
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324 (define-key compose-map "=y" [yen])
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325
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326 (define-key compose-map ">>" [guillemotright])
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327
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328 (define-key compose-map "??" [questiondown])
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329
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330 (define-key compose-map "AA" "@")
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331 (define-key compose-map "Aa" "@")
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332 (define-key compose-map "A_" [ordfeminine])
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333 (define-key compose-map "A`" [Agrave])
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334 (define-key compose-map "A'" [Aacute])
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335 (define-key compose-map "A^" [Acircumflex])
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336 (define-key compose-map "A~" [Atilde])
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337 (define-key compose-map "A\"" [Adiaeresis])
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338 (define-key compose-map "A*" [Aring])
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339 (define-key compose-map "AE" [AE])
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340
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341 (define-key compose-map "C/" [cent])
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342 (define-key compose-map "C|" [cent])
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343 (define-key compose-map "C0" [copyright])
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|
344 (define-key compose-map "CO" [copyright])
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345 (define-key compose-map "Co" [copyright])
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346 (define-key compose-map "C," [Ccedilla])
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347
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348 (define-key compose-map "D-" [ETH])
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349
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350 (define-key compose-map "E`" [Egrave])
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351 (define-key compose-map "E'" [Eacute])
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352 (define-key compose-map "E^" [Ecircumflex])
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353 (define-key compose-map "E\"" [Ediaeresis])
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354
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355 (define-key compose-map "I`" [Igrave])
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356 (define-key compose-map "I'" [Iacute])
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357 (define-key compose-map "I^" [Icircumflex])
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|
358 (define-key compose-map "I\"" [Idiaeresis])
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359
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360 (define-key compose-map "L-" [sterling])
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361 (define-key compose-map "L=" [sterling])
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362
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363 (define-key compose-map "N~" [Ntilde])
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364
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365 (define-key compose-map "OX" [currency])
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366 (define-key compose-map "Ox" [currency])
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367 (define-key compose-map "OS" [section])
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368 (define-key compose-map "Os" [section])
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369 (define-key compose-map "OC" [copyright])
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370 (define-key compose-map "Oc" [copyright])
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371 (define-key compose-map "OR" [registered])
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372 (define-key compose-map "Or" [registered])
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373 (define-key compose-map "O_" [masculine])
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374 (define-key compose-map "O`" [Ograve])
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375 (define-key compose-map "O'" [Oacute])
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376 (define-key compose-map "O^" [Ocircumflex])
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377 (define-key compose-map "O~" [Otilde])
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378 (define-key compose-map "O\"" [Odiaeresis])
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|
379 (define-key compose-map "O/" [Ooblique])
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380
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381 (define-key compose-map "P!" [paragraph])
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382
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383 (define-key compose-map "R0" [registered])
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384 (define-key compose-map "RO" [registered])
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385 (define-key compose-map "Ro" [registered])
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386
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387 (define-key compose-map "S!" [section])
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388 (define-key compose-map "S0" [section])
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389 (define-key compose-map "SO" [section])
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390 (define-key compose-map "So" [section])
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391 (define-key compose-map "SS" [ssharp])
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392
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393 (define-key compose-map "TH" [THORN])
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394
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395 (define-key compose-map "U`" [Ugrave])
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|
396 (define-key compose-map "U'" [Uacute])
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|
397 (define-key compose-map "U^" [Ucircumflex])
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|
398 (define-key compose-map "U\"" [Udiaeresis])
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399
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400 (define-key compose-map "X0" [currency])
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401 (define-key compose-map "XO" [currency])
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|
402 (define-key compose-map "Xo" [currency])
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403
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|
404 (define-key compose-map "Y-" [yen])
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|
405 (define-key compose-map "Y=" [yen])
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|
406 (define-key compose-map "Y'" [Yacute])
|
|
|
407
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|
408 (define-key compose-map "_A" [ordfeminine])
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|
409 (define-key compose-map "_a" [ordfeminine])
|
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|
410 (define-key compose-map "_^" [macron])
|
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|
411 (define-key compose-map "_O" [masculine])
|
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|
412 (define-key compose-map "_o" [masculine])
|
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|
413
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|
|
414 (define-key compose-map "aA" "@")
|
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|
415 (define-key compose-map "aa" "@")
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|
416 (define-key compose-map "a_" [ordfeminine])
|
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|
417 (define-key compose-map "a-" [ordfeminine])
|
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|
418 (define-key compose-map "a`" [agrave])
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|
419 (define-key compose-map "a'" [aacute])
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|
420 (define-key compose-map "a^" [acircumflex])
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421 (define-key compose-map "a~" [atilde])
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|
422 (define-key compose-map "a\"" [adiaeresis])
|
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|
423 (define-key compose-map "a*" [aring])
|
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|
424 (define-key compose-map "ae" [ae])
|
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|
425
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|
426 (define-key compose-map "c/" [cent])
|
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|
427 (define-key compose-map "c|" [cent])
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|
428 (define-key compose-map "c0" [copyright])
|
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|
429 (define-key compose-map "cO" [copyright])
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|
430 (define-key compose-map "co" [copyright])
|
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|
431 (define-key compose-map "c," [ccedilla])
|
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432
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433 (define-key compose-map "d-" [eth])
|
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|
434
|
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|
435 (define-key compose-map "e`" [egrave])
|
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|
436 (define-key compose-map "e'" [eacute])
|
|
|
437 (define-key compose-map "e^" [ecircumflex])
|
|
|
438 (define-key compose-map "e\"" [ediaeresis])
|
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|
439
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440 (define-key compose-map "i`" [igrave])
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|
441 (define-key compose-map "i'" [iacute])
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|
442 (define-key compose-map "i^" [icircumflex])
|
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|
443 (define-key compose-map "i\"" [idiaeresis])
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|
444 (define-key compose-map "i:" [idiaeresis])
|
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|
445
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|
446 (define-key compose-map "l-" [sterling])
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|
447 (define-key compose-map "l=" [sterling])
|
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448
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|
449 (define-key compose-map "n~" [ntilde])
|
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|
450
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|
451 (define-key compose-map "oX" [currency])
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|
452 (define-key compose-map "ox" [currency])
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453 (define-key compose-map "oC" [copyright])
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|
454 (define-key compose-map "oc" [copyright])
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|
455 (define-key compose-map "oR" [registered])
|
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|
456 (define-key compose-map "or" [registered])
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|
457 (define-key compose-map "oS" [section])
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|
458 (define-key compose-map "os" [section])
|
|
|
459 (define-key compose-map "o_" [masculine])
|
|
|
460 (define-key compose-map "o`" [ograve])
|
|
|
461 (define-key compose-map "o'" [oacute])
|
|
|
462 (define-key compose-map "o^" [ocircumflex])
|
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|
463 (define-key compose-map "o~" [otilde])
|
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|
464 (define-key compose-map "o\"" [odiaeresis])
|
|
|
465 (define-key compose-map "o/" [oslash])
|
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|
466
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|
|
467 (define-key compose-map "p!" [paragraph])
|
|
|
468
|
|
|
469 (define-key compose-map "r0" [registered])
|
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|
470 (define-key compose-map "rO" [registered])
|
|
|
471 (define-key compose-map "ro" [registered])
|
|
|
472
|
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|
473 (define-key compose-map "s!" [section])
|
|
|
474 (define-key compose-map "s0" [section])
|
|
|
475 (define-key compose-map "sO" [section])
|
|
|
476 (define-key compose-map "so" [section])
|
|
|
477 (define-key compose-map "ss" [ssharp])
|
|
|
478
|
|
|
479 (define-key compose-map "th" [thorn])
|
|
|
480
|
|
|
481 (define-key compose-map "u`" [ugrave])
|
|
|
482 (define-key compose-map "u'" [uacute])
|
|
|
483 (define-key compose-map "u^" [ucircumflex])
|
|
|
484 (define-key compose-map "u\"" [udiaeresis])
|
|
|
485 (define-key compose-map "u/" [mu])
|
|
|
486
|
|
|
487 (define-key compose-map "x0" [currency])
|
|
|
488 (define-key compose-map "xO" [currency])
|
|
|
489 (define-key compose-map "xo" [currency])
|
|
|
490 (define-key compose-map "xx" [multiply])
|
|
|
491
|
|
|
492 (define-key compose-map "y-" [yen])
|
|
|
493 (define-key compose-map "y=" [yen])
|
|
|
494 (define-key compose-map "y'" [yacute])
|
|
|
495 (define-key compose-map "y\"" [ydiaeresis])
|
|
|
496
|
|
|
497 (define-key compose-map "|C" [cent])
|
|
|
498 (define-key compose-map "|c" [cent])
|
|
|
499 (define-key compose-map "||" [brokenbar])
|
|
|
500
|
|
|
501
|
|
|
502 ;; Suppose we type these three physical keys: [Multi_key " a]
|
|
|
503 ;; Xlib can deliver these keys as the following sequences of keysyms:
|
|
|
504 ;;
|
|
|
505 ;; - [Multi_key " a] (no surprise here)
|
|
|
506 ;; - [adiaeresis] (OK, Xlib is doing compose processing for us)
|
|
|
507 ;; - [Multi_key " adiaeresis] (Huh?)
|
|
|
508 ;;
|
|
|
509 ;; It is the last possibility that is arguably a bug. Xlib can't
|
|
|
510 ;; decide whether it's really doing compose processing or not (or
|
|
|
511 ;; actually, different parts of Xlib disagree).
|
|
|
512 ;;
|
|
|
513 ;; So we'll just convert [Multi_key " adiaeresis] to [adiaeresis]
|
|
|
514 (defun xlib-input-method-bug-workaround (keymap)
|
|
|
515 (map-keymap
|
|
|
516 (lambda (key value)
|
|
|
517 (cond
|
|
|
518 ((keymapp value)
|
|
|
519 (xlib-input-method-bug-workaround value))
|
|
|
520 ((and (sequencep value)
|
|
|
521 (eq 1 (length value))
|
|
|
522 (null (lookup-key keymap value)))
|
|
|
523 (define-key keymap value value))))
|
|
|
524 keymap))
|
|
|
525 (xlib-input-method-bug-workaround compose-map)
|
|
|
526 (unintern 'xlib-input-method-bug-workaround)
|
|
|
527
|
|
|
528 ;; While we're at it, a similar mechanism will make colon equivalent
|
|
|
529 ;; to doublequote for diaeresis processing. Some Xlibs do this.
|
|
|
530 (defun alias-colon-to-doublequote (keymap)
|
|
|
531 (map-keymap
|
|
|
532 (lambda (key value)
|
|
|
533 (when (keymapp value)
|
|
|
534 (alias-colon-to-doublequote value))
|
|
|
535 (when (eq key '\")
|
|
|
536 (define-key keymap ":" value)))
|
|
|
537 keymap))
|
|
|
538 (alias-colon-to-doublequote compose-map)
|
|
|
539 (unintern 'alias-colon-to-doublequote)
|
|
|
540
|
|
|
541 ;;; Electric dead keys: making a' mean a-acute.
|
|
|
542
|
|
|
543
|
|
|
544 (defun electric-diacritic (&optional count)
|
|
|
545 "Modify the previous character with an accent.
|
|
|
546 For example, if `:' is bound to this command, then typing `a:'
|
|
|
547 will first insert `a' and then turn it into `\344' (adiaeresis).
|
|
|
548 The keys to which this command may be bound (and the accents
|
|
|
549 which it understands) are:
|
|
|
550
|
|
|
551 ' (acute) \301\311\315\323\332\335 \341\351\355\363\372\375
|
|
|
552 ` (grave) \300\310\314\322\331 \340\350\354\362\371
|
|
|
553 : (diaeresis) \304\313\317\326\334 \344\353\357\366\374\377
|
|
|
554 ^ (circumflex) \302\312\316\324\333 \342\352\356\364\373
|
|
|
555 , (cedilla) \307\347
|
|
|
556 . (ring) \305\345"
|
|
|
557 (interactive "p")
|
|
|
558 (or count (setq count 1))
|
|
|
559
|
|
|
560 (if (not (eq last-command 'self-insert-command))
|
|
|
561 ;; Only do the magic if the two chars were typed in succession.
|
|
|
562 (self-insert-command count)
|
|
|
563
|
|
|
564 ;; This is so that ``a : C-x u'' will transform `adiaeresis' back into `a:'
|
|
|
565 (self-insert-command count)
|
|
|
566 (undo-boundary)
|
|
|
567 (delete-char (- count))
|
|
|
568
|
|
|
569 (let* ((c last-command-char)
|
|
|
570 (map (cond ((eq c ?') compose-acute-map)
|
|
|
571 ((eq c ?`) compose-grave-map)
|
|
|
572 ((eq c ?,) compose-cedilla-map)
|
|
|
573 ((eq c ?:) compose-diaeresis-map)
|
|
|
574 ((eq c ?^) compose-circumflex-map)
|
|
|
575 ((eq c ?~) compose-tilde-map)
|
|
|
576 ((eq c ?.) compose-ring-map)
|
|
|
577 (t (error "unknown diacritic: %s (%c)" c c))))
|
|
|
578 (base-char (preceding-char))
|
|
|
579 (mod-char (and (>= (downcase base-char) ?a) ; only do alphabetics?
|
|
|
580 (<= (downcase base-char) ?z)
|
|
|
581 (lookup-key map (make-string 1 base-char)))))
|
|
|
582 (if (and (vectorp mod-char) (= (length mod-char) 1))
|
|
|
583 (setq mod-char (aref mod-char 0)))
|
|
|
584 (if (and mod-char (symbolp mod-char))
|
|
|
585 (setq mod-char (or (get mod-char character-set-property) mod-char)))
|
|
|
586 (if (and mod-char (> count 0))
|
|
|
587 (delete-char -1)
|
|
|
588 (setq mod-char c))
|
|
|
589 (while (> count 0)
|
|
|
590 (insert mod-char)
|
|
|
591 (setq count (1- count))))))
|
|
|
592
|
|
|
593 ;; should "::" mean "¨" and ": " mean ":"?
|
|
|
594 ;; should we also do
|
|
|
595 ;; (?~
|
|
|
596 ;; (?A "\303")
|
|
|
597 ;; (?C "\307")
|
|
|
598 ;; (?D "\320")
|
|
|
599 ;; (?N "\321")
|
|
|
600 ;; (?O "\325")
|
|
|
601 ;; (?a "\343")
|
|
|
602 ;; (?c "\347")
|
|
|
603 ;; (?d "\360")
|
|
|
604 ;; (?n "\361")
|
|
|
605 ;; (?o "\365")
|
|
|
606 ;; (?> "\273")
|
|
|
607 ;; (?< "\253")
|
|
|
608 ;; (? "~")) ; no special code
|
|
|
609 ;; (?\/
|
|
|
610 ;; (?A "\305") ;; A-with-ring (Norwegian and Danish)
|
|
|
611 ;; (?E "\306") ;; AE-ligature (Norwegian and Danish)
|
|
|
612 ;; (?O "\330")
|
|
|
613 ;; (?a "\345") ;; a-with-ring (Norwegian and Danish)
|
|
|
614 ;; (?e "\346") ;; ae-ligature (Norwegian and Danish)
|
|
|
615 ;; (?o "\370")
|
|
|
616 ;; (? "/")) ; no special code
|
|
|
617
|
|
|
618
|
|
|
619 ;;; Providing help in the middle of a compose sequence. (Way cool.)
|
|
|
620
|
|
|
621 (eval-when-compile
|
|
|
622 (defsubst next-composable-event ()
|
|
|
623 (let (event)
|
|
|
624 (while (progn
|
|
|
625 (setq event (next-command-event))
|
|
|
626 (not (or (key-press-event-p event)
|
|
|
627 (button-press-event-p event))))
|
|
|
628 (dispatch-event event))
|
|
|
629 event)))
|
|
|
630
|
|
|
631 (defun compose-help (ignore-prompt)
|
|
|
632 (let* ((keys (apply 'vector (nbutlast (append (this-command-keys) nil))))
|
|
|
633 (map (or (lookup-key function-key-map keys)
|
|
|
634 (error "can't find map? %s %s" keys (this-command-keys))))
|
|
|
635 binding)
|
|
|
636 (save-excursion
|
|
|
637 (with-output-to-temp-buffer "*Help*"
|
|
|
638 (set-buffer "*Help*")
|
|
|
639 (erase-buffer)
|
|
|
640 (message "Working...")
|
|
|
641 (setq ctl-arrow 'compose) ; non-t-non-nil
|
|
|
642 (insert "You are typing a compose sequence. So far you have typed: ")
|
|
|
643 (insert (key-description keys))
|
|
|
644 (insert "\nCompletions from here are:\n\n")
|
|
|
645 (map-keymap 'compose-help-mapper map t)
|
|
|
646 (message "? ")))
|
|
|
647 (while (keymapp map)
|
|
|
648 (setq binding (lookup-key map (vector (next-composable-event))))
|
|
|
649 (if (null binding)
|
|
|
650 (message "No such key in keymap. Try again.")
|
|
|
651 (setq map binding)))
|
|
|
652 binding))
|
|
|
653
|
|
|
654 (put 'compose-help 'isearch-command t) ; so that it doesn't terminate isearch
|
|
|
655
|
|
|
656 (defun compose-help-mapper (key binding)
|
|
|
657 (if (and (symbolp key)
|
|
|
658 (get key character-set-property))
|
|
|
659 (setq key (get key character-set-property)))
|
|
|
660 (if (eq binding 'compose-help) ; suppress that...
|
|
|
661 nil
|
|
|
662 (if (keymapp binding)
|
|
|
663 (let ((p (point)))
|
|
|
664 (map-keymap 'compose-help-mapper binding t)
|
|
|
665 (goto-char p)
|
|
|
666 (while (not (eobp))
|
|
|
667 (if (characterp key)
|
|
|
668 (insert (make-string 1 key))
|
|
|
669 (insert (single-key-description key)))
|
|
|
670 (insert " ")
|
|
|
671 (forward-line 1)))
|
|
|
672 (if (characterp key)
|
|
|
673 (insert (make-string 1 key))
|
|
|
674 (insert (single-key-description key)))
|
|
|
675 (indent-to 16)
|
|
|
676 (let ((code (and (vectorp binding)
|
|
|
677 (= 1 (length binding))
|
|
|
678 (get (aref binding 0) character-set-property))))
|
|
|
679 (if code
|
|
|
680 (insert (make-string 1 code))
|
|
|
681 (if (stringp binding)
|
|
|
682 (insert binding)
|
|
|
683 (insert (prin1-to-string binding)))))
|
|
|
684 (when (and (vectorp binding) (= 1 (length binding)))
|
|
|
685 (indent-to 32)
|
|
|
686 (insert (symbol-name (aref binding 0)))))
|
|
|
687 (insert "\n")))
|
|
|
688
|
|
|
689 ;; define it at top-level in the compose map...
|
|
|
690 ;;(define-key compose-map [(control h)] 'compose-help)
|
|
|
691 ;;(define-key compose-map [help] 'compose-help)
|
|
|
692 ;; and then define it in each sub-map of the compose map.
|
|
|
693 (map-keymap
|
|
|
694 (lambda (key binding)
|
|
|
695 (when (keymapp binding)
|
|
|
696 ;; (define-key binding [(control h)] 'compose-help)
|
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697 ;; (define-key binding [help] 'compose-help)
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698 ))
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699 compose-map nil)
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700
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701 ;; Make redisplay display the accented letters
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702 (if (memq (default-value 'ctl-arrow) '(t nil))
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703 (setq-default ctl-arrow 'iso-8859/1))
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704
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705
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706 (provide 'x-compose)
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707
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708 ;;; x-compose.el ends here
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