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1 ;; -*-Emacs-Lisp-*-
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2 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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3 ;;
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4 ;; File: default-dir.el
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5 ;; RCS:
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6 ;; Version: $Revision: 1.5 $
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7 ;; Description: Defines the function default-directory, for fancy handling
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8 ;; of the initial contents in the minibuffer when reading
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9 ;; file names.
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10 ;; Authors: Sebastian Kremer <sk@thp.uni-koeln.de>
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11 ;; Sandy Rutherford <sandy@ibm550.sissa.it>
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12 ;; Created: Sun Jul 18 11:38:06 1993 by sandy on ibm550
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13 ;;
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14 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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15
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16 ;; This program is free software; you can redistribute it and/or modify
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17 ;; it under the terms of the GNU General Public License as published by
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18 ;; the Free Software Foundation; either version 1, or (at your option)
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19 ;; any later version.
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20
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21 ;; This program is distributed in the hope that it will be useful,
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22 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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23 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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24 ;; GNU General Public License for more details.
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25
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26 ;; You should have received a copy of the GNU General Public License
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27 ;; along with GNU Emacs; see the file COPYING. If not, write to
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28 ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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29
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30 (provide 'default-dir)
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31 (require 'efs-ovwrt)
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32
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33 (defconst default-dir-emacs-variant
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34 (cond ((string-match "XEmacs" emacs-version) 'xemacs)
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35 ((>= (string-to-int (substring emacs-version 0 2)) 19) 'fsf-19)
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36 (t 'fsf-18)))
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37
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38 ;;;###autoload
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39 (defvar default-directory-function nil
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40 "A function to call to compute the default-directory for the current buffer.
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41 If this is nil, the function default-directory will return the value of the
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42 variable default-directory.
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43 Buffer local.")
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44 (make-variable-buffer-local 'default-directory-function)
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45
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46 ;; As a bonus we give shell-command history if possible.
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47 (defvar shell-command-history nil
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48 "History list of previous shell commands.")
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49
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50 (defun default-directory ()
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51 " Returns the default-directory for the current buffer.
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52 Will use the variable default-directory-function if it non-nil."
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53 (if default-directory-function
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54 (funcall default-directory-function)
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55 (if (eq default-dir-emacs-version 'xemacs)
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56 (abbreviate-file-name default-directory t)
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57 (abbreviate-file-name default-directory))))
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58
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59 ;;; Overloads
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60
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61 (if (or (featurep 'mule)
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62 (boundp 'MULE))
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63 (progn
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64
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65 (defun default-dir-find-file (file &optional coding-system)
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66 "Documented as original"
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67 (interactive
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68 (list
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69 (expand-file-name
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70 (read-file-name "Find file: " (default-directory)))
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71 (and current-prefix-arg
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72 (read-coding-system "Coding-system: "))))
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73 (default-dir-real-find-file file coding-system))
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74
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75 (defun default-dir-find-file-other-window (file &optional coding-system)
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76 "Documented as original"
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77 (interactive
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78 (list
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79 (expand-file-name
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80 (read-file-name "Find file in other window: " (default-directory)))
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81 (and current-prefix-arg
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82 (read-coding-system "Coding-system: "))))
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83 (default-dir-real-find-file-other-window file coding-system))
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84
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85 (defun default-dir-find-file-read-only (file &optional coding-system)
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86 "Documented as original"
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87 (interactive
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88 (list
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89 (expand-file-name
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90 (read-file-name "Find file read-only: " (default-directory) nil t))
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91 (and current-prefix-arg
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92 (read-coding-system "Coding-system: "))))
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93 (default-dir-real-find-file-read-only file coding-system))
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94
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95 (if (fboundp 'find-file-read-only-other-window)
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96 (progn
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97 (defun default-dir-find-file-read-only-other-window
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98 (file &optional coding-system)
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99 "Documented as original"
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100 (interactive
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101 (list
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102 (expand-file-name
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103 (read-file-name
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104 "Find file read-only in other window: "
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105 (default-directory) nil t))
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106 (and current-prefix-arg
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107 (read-coding-system "Coding-system: "))))
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108 (default-dir-real-find-file-read-only-other-window file
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109 coding-system))))
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110
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111 (if (fboundp 'find-file-other-frame)
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112 (progn
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113 (defun default-dir-find-file-other-frame
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114 (file &optional coding-system)
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115 "Documented as original"
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116 (interactive
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117 (list
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118 (expand-file-name
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119 (read-file-name "Find file in other frame: "
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120 (default-directory)))
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121 (and current-prefix-arg
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122 (read-coding-system "Coding-system: "))))
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123 (default-dir-real-find-file-other-frame file
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124 coding-system))))
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125
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126 (if (fboundp 'find-file-read-only-other-frame)
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127 (progn
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128 (defun default-dir-find-file-read-only-other-frame
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129 (file &optional coding-system)
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130 "Documented as original"
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131 (interactive
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132 (list
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133 (expand-file-name
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134 (read-file-name "Find file read-only in other frame: "
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135 (default-directory) nil t))
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136 (and current-prefix-arg
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137 (read-coding-system "Coding-system: "))))
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138 (default-dir-real-find-file-read-only-other-frame file
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139 coding-system)))))
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140
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141 (defun default-dir-find-file (file)
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142 "Documented as original"
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143 (interactive
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144 (list
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145 (expand-file-name
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146 (read-file-name "Find file: " (default-directory)))))
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147 (default-dir-real-find-file file))
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148
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149 (defun default-dir-find-file-other-window (file)
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150 "Documented as original"
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151 (interactive
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152 (list
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153 (expand-file-name
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154 (read-file-name "Find file in other window: " (default-directory)))))
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155 (default-dir-real-find-file-other-window file))
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156
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157 (defun default-dir-find-file-read-only (file)
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158 "Documented as original"
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159 (interactive
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160 (list
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161 (expand-file-name
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162 (read-file-name "Find file read-only: " (default-directory) nil t))))
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163 (default-dir-real-find-file-read-only file))
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164
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165 (if (fboundp 'find-file-read-only-other-window)
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166 (progn
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167 (defun default-dir-find-file-read-only-other-window (file)
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168 "Documented as original"
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169 (interactive
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170 (list
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171 (expand-file-name
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172 (read-file-name
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173 "Find file read-only in other window: "
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174 (default-directory) nil t))))
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175 (default-dir-real-find-file-read-only-other-window file))))
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176
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177 (if (fboundp 'find-file-other-frame)
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178 (progn
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179 (defun default-dir-find-file-other-frame (file)
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180 "Documented as original"
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181 (interactive
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182 (list
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183 (expand-file-name
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184 (read-file-name "Find file in other frame: "
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185 (default-directory)))))
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186 (default-dir-real-find-file-other-frame file))))
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187
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188 (if (fboundp 'find-file-read-only-other-frame)
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189 (progn
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190 (defun default-dir-find-file-read-only-other-frame (file)
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191 "Documented as original"
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192 (interactive
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193 (list
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194 (expand-file-name
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195 (read-file-name "Find file read-only in other frame: "
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196 (default-directory) nil t))))
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197 (default-dir-real-find-file-read-only-other-frame file)))))
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198
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199 (efs-overwrite-fn "default-dir" 'find-file 'default-dir-find-file)
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200 (efs-overwrite-fn "default-dir" 'find-file-other-window
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201 'default-dir-find-file-other-window)
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202 (if (fboundp 'find-file-other-frame)
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203 (efs-overwrite-fn "default-dir" 'find-file-other-frame
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204 'default-dir-find-file-other-frame))
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205 (efs-overwrite-fn "default-dir" 'find-file-read-only
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206 'default-dir-find-file-read-only)
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207 (if (fboundp 'find-file-read-only-other-window)
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208 (efs-overwrite-fn "default-dir" 'find-file-read-only-other-window
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209 'default-dir-find-file-read-only-other-window))
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210 (if (fboundp 'find-file-read-only-other-frame)
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211 (efs-overwrite-fn "default-dir" 'find-file-read-only-other-frame
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212 'default-dir-find-file-read-only-other-frame))
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213
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214
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215 (defun default-dir-load-file (file)
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216 "Documented as original"
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217 (interactive
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218 (list
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219 (expand-file-name
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220 (read-file-name "Load file: " (default-directory) nil t))))
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221 (default-dir-real-load-file file))
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222
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223 (efs-overwrite-fn "default-dir" 'load-file 'default-dir-load-file)
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224
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225 (require 'view)
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226
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227 (defun default-dir-view-file (file)
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228 "Documented as original"
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229 (interactive
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230 (list
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231 (expand-file-name
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232 (read-file-name "View file: " (default-directory) nil t))))
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233 (default-dir-real-view-file file))
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234
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235 (efs-overwrite-fn "default-dir" 'view-file 'default-dir-view-file)
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236
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237 (if (fboundp 'view-file-other-window)
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238 (progn
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239 (defun default-dir-view-file-other-window (file)
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240 "Documented as original"
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241 (interactive
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242 (list
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243 (expand-file-name
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244 (read-file-name "View file in other window: "
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245 (default-directory) nil t))))
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246 (default-dir-real-view-file-other-window file))
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247 (efs-overwrite-fn "default-dir" 'view-file-other-window
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248 'default-dir-view-file-other-window)))
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249
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250 (if (fboundp 'view-file-other-frame)
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251 (progn
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252 (defun default-dir-view-file-other-frame (file)
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253 "Documented as original"
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254 (interactive
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255 (list
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256 (expand-file-name
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257 (read-file-name "View file in other frame: "
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258 (default-directory) nil t))))
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259 (default-dir-real-view-file-other-frame file))
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260 (efs-overwrite-fn "default-dir" 'view-file-other-frame
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261 'default-dir-view-file-other-frame)))
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262
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263
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264 (defun default-dir-shell-command (command &optional insert)
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265 "Documented as original"
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266 (interactive
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267 (list
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268 (let ((prompt (format "Shell command in %s: " (default-directory))))
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269 (cond
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270 ((memq default-dir-emacs-variant '(fsf-19 xemacs))
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271 (read-from-minibuffer prompt nil nil nil
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272 'shell-command-history))
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273 ((featurep 'gmhist)
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274 (let ((minibuffer-history-symbol 'shell-command-history))
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275 (read-string prompt)))
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276 (t (read-string prompt))))
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277 current-prefix-arg))
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278 (let ((default-directory (expand-file-name (default-directory))))
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279 (default-dir-real-shell-command command insert)))
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280
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281 (efs-overwrite-fn "default-dir" 'shell-command 'default-dir-shell-command)
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282
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283 ;; Is advice about?
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284 (if (featurep 'advice)
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285 (defadvice cd (before default-dir-cd activate compile)
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286 (interactive
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287 (list
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288 (expand-file-name
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289 (read-file-name "Change default directory: " (default-directory))))))
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290
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291 (defun default-dir-cd (dir)
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292 "Documented as original"
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293 (interactive
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294 (list
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295 (expand-file-name
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296 (read-file-name "Change default directory: " (default-directory)))))
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297 (default-dir-real-cd dir))
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298
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299 (efs-overwrite-fn "default-dir" 'cd 'default-dir-cd))
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300
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301 (defun default-dir-set-visited-file-name (filename)
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302 "Documented as original"
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303 (interactive
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304 (list
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305 (expand-file-name
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306 (read-file-name "Set visited file name: " (default-directory)))))
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307 (default-dir-real-set-visited-file-name filename))
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308
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309 (efs-overwrite-fn "default-dir" 'set-visited-file-name
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310 'default-dir-set-visited-file-name)
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311
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312 (defun default-dir-insert-file (filename &rest args)
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313 "Documented as original"
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314 (interactive
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315 (list
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316 (expand-file-name
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317 (read-file-name "Insert file: " (default-directory) nil t))))
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318 (apply 'default-dir-real-insert-file filename args))
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319
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320 (efs-overwrite-fn "default-dir" 'insert-file 'default-dir-insert-file)
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321
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322 (defun default-dir-append-to-file (start end filename &rest args)
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323 "Documented as original"
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324 (interactive
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325 (progn
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326 (or (mark) (error "The mark is not set now"))
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327 (list
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328 (min (mark) (point))
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329 (max (mark) (point))
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330 (expand-file-name
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331 (read-file-name "Append to file: " (default-directory))))))
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332 (apply 'default-dir-real-append-to-file start end filename args))
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333
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334 (efs-overwrite-fn "default-dir" 'append-to-file 'default-dir-append-to-file)
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335
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336 (defun default-dir-delete-file (file)
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337 "Documented as original"
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338 (interactive
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339 (list
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340 (expand-file-name
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341 (read-file-name "Delete file: " (default-directory) nil t))))
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342 (default-dir-real-delete-file file))
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343
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344 (efs-overwrite-fn "default-dir" 'delete-file 'default-dir-delete-file)
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345
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346 ;;; end of default-dir.el
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