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217
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1 ;;; winnt.el --- Lisp routines for Windows NT.
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2
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3 ;; Copyright (C) 1994 Free Software Foundation, Inc.
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4
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5 ;; Author: Geoff Voelker (voelker@cs.washington.edu)
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6
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7 ;; This file is part of GNU Emacs.
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8
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9 ;; GNU Emacs is free software; you can redistribute it and/or modify
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10 ;; it under the terms of the GNU General Public License as published by
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11 ;; the Free Software Foundation; either version 2, or (at your option)
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12 ;; any later version.
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13
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14 ;; GNU Emacs is distributed in the hope that it will be useful,
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15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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17 ;; GNU General Public License for more details.
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18
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19 ;; You should have received a copy of the GNU General Public License
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20 ;; along with GNU Emacs; see the file COPYING. If not, write to the
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21 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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22 ;; Boston, MA 02111-1307, USA.
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23
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24 ;;; Commentary:
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25
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26 ;; (August 12, 1993)
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27 ;; Created.
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28
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29 ;; (November 21, 1994)
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30 ;; [C-M-backspace] defined.
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31 ;; mode-line-format defined to show buffer file type.
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32 ;; audio bell initialized.
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33 ;;
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34 ;; (March 18, 1997)
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35 ;; Ported to XEmacs by Marc Paquette <marcpa@cam.org>
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36 ;;
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37
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38 ;;; Code:
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39
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40 ;; Map delete and backspace
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41 ;; Not sure this is really needed in XEmacs... --marcpa
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42 (define-key global-map [(backspace)] 'backward-delete-char)
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43 (define-key global-map [(delete)] 'delete-char)
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44 (define-key global-map [(meta backspace)] 'backward-kill-word)
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45 (define-key global-map [(control meta backspace)] 'backward-kill-sexp)
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46
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47 (defconst nt-modeline-buffer-type '("%t")
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48 "Modeline control for showing buffer type (binary or text).")
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49
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50 (setq-default modeline-format
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51 (cons (purecopy "")
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52 (cons 'nt-modeline-buffer-type
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53 (cdr modeline-format))))
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54
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55 ;; Ignore case on file-name completion
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56 (setq completion-ignore-case t)
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57
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58 ;; The cmd.exe shell uses the "/c" switch instead of the "-c" switch
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59 ;; for executing its command line argument (from simple.el).
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60 (setq shell-command-switch "/c")
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61
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62 ;; For appending suffixes to directories and files in shell completions.
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63 (add-hook 'shell-mode-hook
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64 '(lambda () (setq comint-completion-addsuffix '("\\" . " "))))
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65
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66 ;; Use ";" instead of ":" as a path separator (from files.el).
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67 (setq path-separator ";")
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68
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69 ;; Set the null device (for compile.el).
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70 (setq grep-null-device "NUL")
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71
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72 ;; Set the grep regexp to match entries with drive letters.
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73 (setq grep-regexp-alist
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74 '(("^\\(\\([a-zA-Z]:\\)?[^:( \t\n]+\\)[:( \t]+\\([0-9]+\\)[:) \t]" 1 3)))
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75
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76 ;; Taken from dos-fn.el ... don't want all that's in the file, maybe
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77 ;; separate it out someday.
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78
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79 (defvar file-name-buffer-file-type-alist
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80 '(
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81 ("[:/].*config.sys$" . nil) ; config.sys text
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82 ("\\.elc$" . t) ; emacs stuff
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83 ("\\.\\(obj\\|exe\\|com\\|lib\\|sys\\|chk\\|out\\|bin\\|ico\\|pif\\)$" . t)
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84 ; MS-Dos stuff
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85 ("\\.\\(arc\\|zip\\|pak\\|lzh\\|zoo\\)$" . t)
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86 ; Packers
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87 ("\\.\\(a\\|o\\|tar\\|z\\|gz\\|taz\\)$" . t)
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88 ; Unix stuff
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89 ("\\.tp[ulpw]$" . t)
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90 ; Borland Pascal stuff
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91 )
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92 "*Alist for distinguishing text files from binary files.
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93 Each element has the form (REGEXP . TYPE), where REGEXP is matched
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94 against the file name, and TYPE is nil for text, t for binary.")
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95
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96 (defun find-buffer-file-type (filename)
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97 (let ((alist file-name-buffer-file-type-alist)
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98 (found nil)
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99 (code nil))
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100 (let ((case-fold-search t))
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101 (setq filename (file-name-sans-versions filename))
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102 (while (and (not found) alist)
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103 (if (string-match (car (car alist)) filename)
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104 (setq code (cdr (car alist))
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105 found t))
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106 (setq alist (cdr alist))))
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107 (if found
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108 (cond((memq code '(nil t)) code)
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109 ((and (symbolp code) (fboundp code))
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110 (funcall code filename)))
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111 default-buffer-file-type)))
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112
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113 (defun find-file-binary (filename)
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114 "Visit file FILENAME and treat it as binary."
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115 (interactive "FFind file binary: ")
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116 (let ((file-name-buffer-file-type-alist '(("" . t))))
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117 (find-file filename)))
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118
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119 (defun find-file-text (filename)
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120 "Visit file FILENAME and treat it as a text file."
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121 (interactive "FFind file text: ")
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122 (let ((file-name-buffer-file-type-alist '(("" . nil))))
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123 (find-file filename)))
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124
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125 (defun find-file-not-found-set-buffer-file-type ()
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126 (save-excursion
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127 (set-buffer (current-buffer))
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128 (setq buffer-file-type (find-buffer-file-type (buffer-file-name))))
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129 nil)
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130
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131 ;;; To set the default file type on new files.
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132 (add-hook 'find-file-not-found-hooks 'find-file-not-found-set-buffer-file-type)
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133
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134 ;;; For using attached Unix filesystems.
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135 (defun save-to-unix-hook ()
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136 (save-excursion
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137 (setq buffer-file-type t))
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138 nil)
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139
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140 (defun revert-from-unix-hook ()
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141 (save-excursion
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142 (setq buffer-file-type (find-buffer-file-type (buffer-file-name))))
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143 nil)
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144
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145 ;; Really should provide this capability at the drive letter granularity.
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146 (defun using-unix-filesystems (flag)
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147 "Read and write files without CR/LF translation, if FLAG is non-nil.
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148 This is in effect assuming the files are on a remote Unix file system.
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149 If FLAG is nil, resume using CR/LF translation as usual."
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150 (if flag
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151 (progn
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152 (add-hook 'write-file-hooks 'save-to-unix-hook)
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153 (add-hook 'after-save-hook 'revert-from-unix-hook))
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154 (progn
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155 (remove-hook 'write-file-hooks 'save-to-unix-hook)
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156 (remove-hook 'after-save-hook 'revert-from-unix-hook))))
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157
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158 ;;; Avoid creating auto-save file names containing invalid characters
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159 ;;; (primarily "*", eg. for the *mail* buffer).
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160 (fset 'original-make-auto-save-file-name
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161 (symbol-function 'make-auto-save-file-name))
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162
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163 (defun make-auto-save-file-name ()
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164 "Return file name to use for auto-saves of current buffer.
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165 Does not consider `auto-save-visited-file-name' as that variable is checked
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166 before calling this function. You can redefine this for customization.
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167 See also `auto-save-file-name-p'."
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168 (let ((name (original-make-auto-save-file-name))
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169 (start 0))
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170 ;; destructively replace occurences of * or ? with $
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171 (while (string-match "[?*]" name start)
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172 (aset name (match-beginning 0) ?$)
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173 (setq start (1+ (match-end 0))))
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174 name))
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175
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176 ;; ### FIX ME: need to look at XEmacs xmouse.el versus FSF mouse.el
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177 ;; and adjust accordingly: I think 'x-selections is an FSFism.
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178 ;; --marcpa
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179 ;;; Fix interface to (X-specific) mouse.el
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180 (defun x-set-selection (type data)
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181 (or type (setq type 'PRIMARY))
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182 (put 'x-selections type data))
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183
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184 (defun x-get-selection (&optional type data-type)
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185 (or type (setq type 'PRIMARY))
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186 (get 'x-selections type))
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187
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188 ;; FSFisms
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189 ;(fmakunbound 'font-menu-add-default)
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190 ;(global-unset-key [C-down-mouse-1])
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191 ;(global-unset-key [C-down-mouse-2])
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192 ;(global-unset-key [C-down-mouse-3])
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193
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194 ;;; Set to a system sound if you want a fancy bell.
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195 ;(set-message-beep nil)
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196
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197 ;;; winnt.el ends here
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