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1 ;;; w3-emulate.el --- All variable definitions for emacs-w3
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2 ;; Author: wmperry
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3 ;; Created: 1996/06/30 18:05:22
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4 ;; Version: 1.2
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5 ;; Keywords: comm, help, hypermedia
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6
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7 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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8 ;;; Copyright (c) 1996 by William M. Perry (wmperry@cs.indiana.edu)
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9 ;;;
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10 ;;; This file is not part of GNU Emacs, but the same permissions apply.
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11 ;;;
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12 ;;; GNU Emacs is free software; you can redistribute it and/or modify
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13 ;;; it under the terms of the GNU General Public License as published by
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14 ;;; the Free Software Foundation; either version 2, or (at your option)
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15 ;;; any later version.
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16 ;;;
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17 ;;; GNU Emacs is distributed in the hope that it will be useful,
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18 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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19 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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20 ;;; GNU General Public License for more details.
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21 ;;;
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22 ;;; You should have received a copy of the GNU General Public License
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23 ;;; along with GNU Emacs; see the file COPYING. If not, write to
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24 ;;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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25 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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26
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27 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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28 ;;; Provide emulations of various other web browsers
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29 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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30 (require 'w3-vars)
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31
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32
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33 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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34 ;; First, we emulate Netscape 2.x
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35 ;; ------------------------------
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36 ;; This entails mainly a few new keybindings.
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37 ;; Alt-S == Save As
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38 ;; Alt-M == New Mail Message
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39 ;; Alt-N == New Window
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40 ;; Alt-L == Open Location
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41 ;; Alt-O == Open File
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42 ;; Alt-P == Print
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43 ;; Alt-Q == Quit
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44 ;; Alt-F == Search
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45 ;; Alt-G == Search Again
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46 ;; Alt-R == Reload
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47 ;; Alt-I == Load Images
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48 ;; Alt-A == Add Bookmark
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49 ;; Alt-B == Show Bookmark Window
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50 ;; Alt-H == Show History Window
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51 ;; Alt-Left == Back
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52 ;; Alt-Right== Forward
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53 ;; Right == Scroll left
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54 ;; Left == Scroll right
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55 ;; Up == Smooth scroll up
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56 ;; Down == Smooth scroll down
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57 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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58
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59 (define-key w3-netscape-emulation-minor-mode-map "\M-s" 'w3-save-as)
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60 (define-key w3-netscape-emulation-minor-mode-map "\M-m" 'w3-mailto)
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61 (define-key w3-netscape-emulation-minor-mode-map "\M-n" 'make-frame)
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62 (define-key w3-netscape-emulation-minor-mode-map "\M-l" 'w3-fetch)
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63 (define-key w3-netscape-emulation-minor-mode-map "\M-o" 'w3-open-local)
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64 (define-key w3-netscape-emulation-minor-mode-map "\M-p" 'w3-print-this-url)
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65 (define-key w3-netscape-emulation-minor-mode-map "\M-q" 'w3-quit)
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66 (define-key w3-netscape-emulation-minor-mode-map "\M-f" 'w3-search-forward)
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67 (define-key w3-netscape-emulation-minor-mode-map "\M-g" 'w3-search-again)
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68 (define-key w3-netscape-emulation-minor-mode-map "\M-r" 'w3-reload-document)
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69 (define-key w3-netscape-emulation-minor-mode-map "\M-i" 'w3-load-delayed-images)
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70 (define-key w3-netscape-emulation-minor-mode-map "\M-a" 'w3-hotlist-add-document)
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71 (define-key w3-netscape-emulation-minor-mode-map "\M-b" 'w3-show-hotlist)
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72 (define-key w3-netscape-emulation-minor-mode-map "\M-h" 'w3-show-history-list)
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73
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74 (define-key w3-netscape-emulation-minor-mode-map [up]
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75 (function (lambda () (interactive) (scroll-down 1))))
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76 (define-key w3-netscape-emulation-minor-mode-map [down]
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77 (function (lambda () (interactive) (scroll-up 1))))
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78 (define-key w3-netscape-emulation-minor-mode-map [right] 'scroll-left)
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79 (define-key w3-netscape-emulation-minor-mode-map [left] 'scroll-right)
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80 (define-key w3-netscape-emulation-minor-mode-map [(meta left)]
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81 'w3-backward-in-history)
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82 (define-key w3-netscape-emulation-minor-mode-map [(meta right)]
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83 'w3-forward-in-history)
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84
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85 (defun turn-on-netscape-emulation ()
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86 (interactive)
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87 (w3-lynx-emulation-minor-mode 0)
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88 (w3-netscape-emulation-minor-mode 1))
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89
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90 (defun w3-netscape-emulation-minor-mode (&optional arg)
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91 "Minor mode for emulating netscape key navigation."
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92 (interactive "P")
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93 (cond
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94 ((null arg)
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95 (setq w3-netscape-emulation-minor-mode
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96 (not w3-netscape-emulation-minor-mode))
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97 (if w3-netscape-emulation-minor-mode
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98 (setq w3-lynx-emulation-minor-mode nil)))
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99 ((= 0 arg)
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100 (setq w3-netscape-emulation-minor-mode nil))
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101 (t
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102 (setq w3-lynx-emulation-minor-mode nil
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103 w3-netscape-emulation-minor-mode t)))
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104 )
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105
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106 (defsubst w3-skip-word ()
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107 (skip-chars-forward "^ \t\n\r")
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108 (skip-chars-forward " \t"))
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109
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110 (defun w3-read-netscape-config (&optional fname)
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111 "Read in a netscape-style configuration file."
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112 (interactive "fNetscape configuration file: ")
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113 (if (not (and (file-exists-p fname)
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114 (file-readable-p fname)))
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115 (error "Could not read %s" fname))
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116 (let ((results nil)
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117 (tag nil)
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118 (val nil)
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119 (var nil)
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120 (save-pos nil))
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121 (save-excursion
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122 (set-buffer (get-buffer-create " *w3-tmp*"))
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123 (erase-buffer)
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124 (insert-file-contents-literally fname)
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125 (goto-char (point-min))
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126 (skip-chars-forward "^ \t\r\n") ; Skip tag line
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127 (skip-chars-forward " \t\r\n") ; Skip blank line(s)
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128 (while (not (eobp))
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129 (setq save-pos (point))
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130 (skip-chars-forward "^:")
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131 (upcase-region save-pos (point))
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132 (setq tag (buffer-substring save-pos (point)))
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133 (skip-chars-forward ":\t ")
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134 (setq save-pos (point))
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135 (skip-chars-forward "^\r\n")
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136 (setq val (if (= save-pos (point))
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137 nil
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138 (buffer-substring save-pos (point))))
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139 (cond
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140 ((null val) nil)
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141 ((string-match "^[0-9]+$" val)
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142 (setq val (string-to-int val)))
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143 ((string= "false" (downcase val))
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144 (setq val nil))
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145 ((string= "true" (downcase val))
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146 (setq val t))
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147 (t nil))
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148 (skip-chars-forward " \t\n\r")
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149 (setq results (cons (cons tag val) results))))
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150 (while results
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151 (setq tag (car (car results))
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152 val (cdr (car results))
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153 var (cdr-safe (assoc tag w3-netscape-variable-mappings))
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154 results (cdr results))
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155 (cond
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156 ((eq var 'w3-delay-image-loads) (set var (not val)))
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157 (var (set var val))
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158 (t nil)))))
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159
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160
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161 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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162 ;; Now, lets try Lynx
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163 ;; ------------------
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164 ;; A few keybindings and modifications to some default functions
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165 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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166
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167 (defun turn-on-lynx-emulation ()
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168 (interactive)
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169 (w3-netscape-emulation-minor-mode 0)
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170 (w3-lynx-emulation-minor-mode 1))
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171
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172 (defun w3-lynx-emulation-minor-mode (&optional arg)
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173 "Minor mode for emulating lynx key navigation."
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174 (interactive "P")
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175 (cond
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176 ((null arg)
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177 (setq w3-lynx-emulation-minor-mode
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178 (not w3-lynx-emulation-minor-mode))
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179 (if w3-lynx-emulation-minor-mode
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180 (setq w3-netscape-emulation-minor-mode nil)))
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181 ((= 0 arg)
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182 (setq w3-lynx-emulation-minor-mode nil))
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183 (t
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184 (setq w3-lynx-emulation-minor-mode t
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185 w3-netscape-emulation-minor-mode nil))))
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186
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187 (define-key w3-lynx-emulation-minor-mode-map "+" 'w3-scroll-up)
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188 (define-key w3-lynx-emulation-minor-mode-map "-" 'scroll-down)
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189 (define-key w3-lynx-emulation-minor-mode-map "b" 'scroll-down)
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190 (define-key w3-lynx-emulation-minor-mode-map "a" 'w3-hotlist-add-document)
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191 (define-key w3-lynx-emulation-minor-mode-map "c" 'w3-mail-document-author)
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192 (define-key w3-lynx-emulation-minor-mode-map "e" 'w3-edit-source)
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193 (define-key w3-lynx-emulation-minor-mode-map "g" 'w3-fetch)
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194 (define-key w3-lynx-emulation-minor-mode-map "i" 'ignore)
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195 (define-key w3-lynx-emulation-minor-mode-map "m" 'w3)
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196 (define-key w3-lynx-emulation-minor-mode-map "o" 'ignore)
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197 (define-key w3-lynx-emulation-minor-mode-map "p" 'w3-print-this-url)
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198 (define-key w3-lynx-emulation-minor-mode-map "q" 'w3-quit)
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199 (define-key w3-lynx-emulation-minor-mode-map "/" 'w3-search-forward)
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200 (define-key w3-lynx-emulation-minor-mode-map "s" 'w3-search-forward)
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201 (define-key w3-lynx-emulation-minor-mode-map "n" 'w3-search-again)
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202 (define-key w3-lynx-emulation-minor-mode-map "v" 'w3-show-hotlist)
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203 (define-key w3-lynx-emulation-minor-mode-map "=" 'w3-document-information)
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204 (define-key w3-lynx-emulation-minor-mode-map "\C-r" 'w3-reload-document)
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205 (define-key w3-lynx-emulation-minor-mode-map "\C-w" 'w3-refresh-buffer)
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206 (define-key w3-lynx-emulation-minor-mode-map "\\" 'w3-source-document)
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207 (define-key w3-lynx-emulation-minor-mode-map "!" 'shell)
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208 (define-key w3-lynx-emulation-minor-mode-map [up] 'w3-back-link)
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209 (define-key w3-lynx-emulation-minor-mode-map [down] 'w3-forward-link)
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210 (define-key w3-lynx-emulation-minor-mode-map [right] 'w3-follow-link)
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211 (define-key w3-lynx-emulation-minor-mode-map [left] 'w3-backward-in-history)
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212
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213 (provide 'w3-emulate)
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214
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215 ;;; Local Variables:
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216 ;;; truncate-lines: t
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217 ;;; End:
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