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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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40
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6 ;; Version: $Revision: 1.5 $
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22
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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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40
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38 (defconst default-dir-find-file-takes-coding-system
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39 (and (eq default-dir-emacs-variant 'xemacs)
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40 (>= (string-to-int (substring emacs-version 0 2)) 20)))
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41
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42 ;;;###autoload
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43 (defvar default-directory-function nil
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44 "A function to call to compute the default-directory for the current buffer.
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45 If this is nil, the function default-directory will return the value of the
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46 variable default-directory.
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47 Buffer local.")
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48 (make-variable-buffer-local 'default-directory-function)
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49
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50 ;; As a bonus we give shell-command history if possible.
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51 (defvar shell-command-history nil
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52 "History list of previous shell commands.")
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53
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54 (defun default-directory ()
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55 " Returns the default-directory for the current buffer.
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56 Will use the variable default-directory-function if it non-nil."
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57 (if default-directory-function
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58 (funcall default-directory-function)
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59 (if (eq default-dir-emacs-variant 'xemacs)
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60 (abbreviate-file-name default-directory t)
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61 (abbreviate-file-name default-directory))))
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62
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63 ;;; Overloads
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64
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40
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65 (cond
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66 ((or (featurep 'mule)
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67 (boundp 'MULE))
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68
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69 (defun default-dir-find-file (file &optional coding-system)
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70 "Documented as original"
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71 (interactive
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72 (list
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73 (expand-file-name
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74 (read-file-name "Find file: " (default-directory)))
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75 (and current-prefix-arg
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76 (read-coding-system "Coding-system: "))))
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77 (default-dir-real-find-file file coding-system))
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78
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79 (defun default-dir-find-file-other-window (file &optional coding-system)
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80 "Documented as original"
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81 (interactive
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82 (list
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83 (expand-file-name
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84 (read-file-name "Find file in other window: " (default-directory)))
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85 (and current-prefix-arg
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86 (read-coding-system "Coding-system: "))))
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87 (default-dir-real-find-file-other-window file coding-system))
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88
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89 (defun default-dir-find-file-read-only (file &optional coding-system)
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90 "Documented as original"
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91 (interactive
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92 (list
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93 (expand-file-name
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94 (read-file-name "Find file read-only: " (default-directory) nil t))
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95 (and current-prefix-arg
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96 (read-coding-system "Coding-system: "))))
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97 (default-dir-real-find-file-read-only file coding-system))
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98
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40
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99 (if (fboundp 'find-file-read-only-other-window)
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100 (progn
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101 (defun default-dir-find-file-read-only-other-window
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102 (file &optional coding-system)
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103 "Documented as original"
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104 (interactive
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105 (list
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106 (expand-file-name
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107 (read-file-name
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108 "Find file read-only in other window: "
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109 (default-directory) nil t))
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110 (and current-prefix-arg
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111 (read-coding-system "Coding-system: "))))
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112 (default-dir-real-find-file-read-only-other-window file
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113 coding-system))))
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22
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114
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115 (if (fboundp 'find-file-other-frame)
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116 (progn
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117 (defun default-dir-find-file-other-frame
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118 (file &optional coding-system)
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119 "Documented as original"
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120 (interactive
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121 (list
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122 (expand-file-name
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123 (read-file-name "Find file in other frame: "
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124 (default-directory)))
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125 (and current-prefix-arg
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126 (read-coding-system "Coding-system: "))))
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127 (default-dir-real-find-file-other-frame file
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128 coding-system))))
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129
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130 (if (fboundp 'find-file-read-only-other-frame)
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131 (progn
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132 (defun default-dir-find-file-read-only-other-frame
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133 (file &optional coding-system)
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134 "Documented as original"
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135 (interactive
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136 (list
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137 (expand-file-name
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138 (read-file-name "Find file read-only in other frame: "
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139 (default-directory) nil t))
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140 (and current-prefix-arg
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141 (read-coding-system "Coding-system: "))))
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142 (default-dir-real-find-file-read-only-other-frame file
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143 coding-system)))))
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144
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145 (default-dir-find-file-takes-coding-system
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146 ;; This lossage is due to the fact that XEmacs 20.x without mule
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147 ;; still accepts an optional argument for find-file related
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148 ;; functions. Things like advice.el insist on passing nil for
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149 ;; optional arguments, and the interaction screws things up.
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150 ;; Therefore these functions accept an optional dummy coding-system
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151 ;; argument.
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152
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153 (defun default-dir-find-file (file &optional coding-system)
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154 "Documented as original"
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155 (interactive
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156 (list
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157 (expand-file-name
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158 (read-file-name "Find file: " (default-directory)))))
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159 (default-dir-real-find-file file))
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160
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161 (defun default-dir-find-file-other-window (file &optional coding-system)
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162 "Documented as original"
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163 (interactive
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164 (list
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165 (expand-file-name
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166 (read-file-name "Find file in other window: " (default-directory)))))
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167 (default-dir-real-find-file-other-window file))
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168
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169 (defun default-dir-find-file-read-only (file &optional coding-system)
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170 "Documented as original"
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171 (interactive
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172 (list
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173 (expand-file-name
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174 (read-file-name "Find file read-only: " (default-directory) nil t))))
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175 (default-dir-real-find-file-read-only file))
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176
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177 (if (fboundp 'find-file-read-only-other-window)
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178 (progn
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179 (defun default-dir-find-file-read-only-other-window
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180 (file &optional coding-system)
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181 "Documented as original"
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182 (interactive
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183 (list
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184 (expand-file-name
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185 (read-file-name
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186 "Find file read-only in other window: "
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187 (default-directory) nil t))))
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188 (default-dir-real-find-file-read-only-other-window file))))
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22
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189
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40
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190 (if (fboundp 'find-file-other-frame)
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191 (progn
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192 (defun default-dir-find-file-other-frame
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193 (file &optional coding-system)
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194 "Documented as original"
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195 (interactive
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196 (list
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197 (expand-file-name
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198 (read-file-name "Find file in other frame: "
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199 (default-directory)))))
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200 (default-dir-real-find-file-other-frame file))))
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201
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202 (if (fboundp 'find-file-read-only-other-frame)
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203 (progn
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204 (defun default-dir-find-file-read-only-other-frame
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205 (file &optional coding-system)
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206 "Documented as original"
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207 (interactive
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208 (list
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209 (expand-file-name
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210 (read-file-name "Find file read-only in other frame: "
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211 (default-directory) nil t))))
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212 (default-dir-real-find-file-read-only-other-frame file)))))
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213
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214 (t
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215
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22
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216 (defun default-dir-find-file (file)
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217 "Documented as original"
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218 (interactive
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219 (list
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220 (expand-file-name
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221 (read-file-name "Find file: " (default-directory)))))
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222 (default-dir-real-find-file file))
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223
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224 (defun default-dir-find-file-other-window (file)
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225 "Documented as original"
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226 (interactive
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227 (list
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228 (expand-file-name
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229 (read-file-name "Find file in other window: " (default-directory)))))
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230 (default-dir-real-find-file-other-window file))
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231
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232 (defun default-dir-find-file-read-only (file)
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233 "Documented as original"
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234 (interactive
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235 (list
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236 (expand-file-name
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237 (read-file-name "Find file read-only: " (default-directory) nil t))))
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238 (default-dir-real-find-file-read-only file))
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239
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240 (if (fboundp 'find-file-read-only-other-window)
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241 (progn
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242 (defun default-dir-find-file-read-only-other-window (file)
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243 "Documented as original"
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244 (interactive
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245 (list
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246 (expand-file-name
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247 (read-file-name
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248 "Find file read-only in other window: "
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249 (default-directory) nil t))))
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250 (default-dir-real-find-file-read-only-other-window file))))
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251
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252 (if (fboundp 'find-file-other-frame)
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253 (progn
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254 (defun default-dir-find-file-other-frame (file)
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255 "Documented as original"
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256 (interactive
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257 (list
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258 (expand-file-name
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259 (read-file-name "Find file in other frame: "
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260 (default-directory)))))
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261 (default-dir-real-find-file-other-frame file))))
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262
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263 (if (fboundp 'find-file-read-only-other-frame)
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264 (progn
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265 (defun default-dir-find-file-read-only-other-frame (file)
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266 "Documented as original"
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267 (interactive
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268 (list
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269 (expand-file-name
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270 (read-file-name "Find file read-only in other frame: "
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271 (default-directory) nil t))))
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272 (default-dir-real-find-file-read-only-other-frame file))))))
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273
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274
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275
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276 (efs-overwrite-fn "default-dir" 'find-file 'default-dir-find-file)
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277 (efs-overwrite-fn "default-dir" 'find-file-other-window
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278 'default-dir-find-file-other-window)
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279 (if (fboundp 'find-file-other-frame)
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280 (efs-overwrite-fn "default-dir" 'find-file-other-frame
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281 'default-dir-find-file-other-frame))
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282 (efs-overwrite-fn "default-dir" 'find-file-read-only
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283 'default-dir-find-file-read-only)
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284 (if (fboundp 'find-file-read-only-other-window)
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285 (efs-overwrite-fn "default-dir" 'find-file-read-only-other-window
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286 'default-dir-find-file-read-only-other-window))
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287 (if (fboundp 'find-file-read-only-other-frame)
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288 (efs-overwrite-fn "default-dir" 'find-file-read-only-other-frame
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289 'default-dir-find-file-read-only-other-frame))
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290
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291
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292 (defun default-dir-load-file (file)
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293 "Documented as original"
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294 (interactive
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295 (list
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296 (expand-file-name
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297 (read-file-name "Load file: " (default-directory) nil t))))
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298 (default-dir-real-load-file file))
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299
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300 (efs-overwrite-fn "default-dir" 'load-file 'default-dir-load-file)
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301
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24
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302 (condition-case nil
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303 (require 'view-less)
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304 (error (require 'view)))
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22
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305
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306 (defun default-dir-view-file (file)
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307 "Documented as original"
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308 (interactive
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309 (list
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310 (expand-file-name
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311 (read-file-name "View file: " (default-directory) nil t))))
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312 (default-dir-real-view-file file))
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313
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314 (efs-overwrite-fn "default-dir" 'view-file 'default-dir-view-file)
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315
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316 (if (fboundp 'view-file-other-window)
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317 (progn
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318 (defun default-dir-view-file-other-window (file)
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319 "Documented as original"
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320 (interactive
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321 (list
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322 (expand-file-name
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323 (read-file-name "View file in other window: "
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324 (default-directory) nil t))))
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325 (default-dir-real-view-file-other-window file))
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326 (efs-overwrite-fn "default-dir" 'view-file-other-window
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327 'default-dir-view-file-other-window)))
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328
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329 (if (fboundp 'view-file-other-frame)
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330 (progn
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331 (defun default-dir-view-file-other-frame (file)
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332 "Documented as original"
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333 (interactive
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334 (list
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335 (expand-file-name
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336 (read-file-name "View file in other frame: "
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337 (default-directory) nil t))))
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338 (default-dir-real-view-file-other-frame file))
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339 (efs-overwrite-fn "default-dir" 'view-file-other-frame
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340 'default-dir-view-file-other-frame)))
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341
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342
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343 (defun default-dir-shell-command (command &optional insert)
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344 "Documented as original"
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345 (interactive
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346 (list
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347 (let ((prompt (format "Shell command in %s: " (default-directory))))
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348 (cond
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349 ((memq default-dir-emacs-variant '(fsf-19 xemacs))
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350 (read-from-minibuffer prompt nil nil nil
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351 'shell-command-history))
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352 ((featurep 'gmhist)
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353 (let ((minibuffer-history-symbol 'shell-command-history))
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354 (read-string prompt)))
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355 (t (read-string prompt))))
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356 current-prefix-arg))
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357 (let ((default-directory (expand-file-name (default-directory))))
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358 (default-dir-real-shell-command command insert)))
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359
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360 (efs-overwrite-fn "default-dir" 'shell-command 'default-dir-shell-command)
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361
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40
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362 (defun default-dir-cd (dir)
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363 "Documented as original"
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364 (interactive
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365 (list
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366 (expand-file-name
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367 (read-file-name "Change default directory: " (default-directory)))))
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368 (default-dir-real-cd dir))
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22
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369
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40
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370 (efs-overwrite-fn "default-dir" 'cd 'default-dir-cd)
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22
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371
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372 (defun default-dir-set-visited-file-name (filename)
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373 "Documented as original"
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374 (interactive
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375 (list
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376 (expand-file-name
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377 (read-file-name "Set visited file name: " (default-directory)))))
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378 (default-dir-real-set-visited-file-name filename))
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379
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380 (efs-overwrite-fn "default-dir" 'set-visited-file-name
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381 'default-dir-set-visited-file-name)
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382
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383 (defun default-dir-insert-file (filename &rest args)
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384 "Documented as original"
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385 (interactive
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386 (list
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387 (expand-file-name
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388 (read-file-name "Insert file: " (default-directory) nil t))))
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389 (apply 'default-dir-real-insert-file filename args))
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390
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391 (efs-overwrite-fn "default-dir" 'insert-file 'default-dir-insert-file)
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392
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393 (defun default-dir-append-to-file (start end filename &rest args)
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394 "Documented as original"
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395 (interactive
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396 (progn
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397 (or (mark) (error "The mark is not set now"))
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398 (list
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399 (min (mark) (point))
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400 (max (mark) (point))
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401 (expand-file-name
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402 (read-file-name "Append to file: " (default-directory))))))
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403 (apply 'default-dir-real-append-to-file start end filename args))
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404
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405 (efs-overwrite-fn "default-dir" 'append-to-file 'default-dir-append-to-file)
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406
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407 (defun default-dir-delete-file (file)
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408 "Documented as original"
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409 (interactive
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410 (list
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411 (expand-file-name
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412 (read-file-name "Delete file: " (default-directory) nil t))))
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413 (default-dir-real-delete-file file))
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414
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415 (efs-overwrite-fn "default-dir" 'delete-file 'default-dir-delete-file)
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416
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417 ;;; end of default-dir.el
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