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428
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1 ;;; paths.el --- define pathnames for use by various Emacs commands.
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2
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3 ;; Copyright (C) 1986, 1988, 1993, 1994, 1997 Free Software Foundation, Inc.
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4
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5 ;; Maintainer: FSF
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6 ;; Keywords: internal, dumped
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7
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8 ;; This file is part of XEmacs.
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9
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10 ;; XEmacs is free software; you can redistribute it and/or modify it
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11 ;; under the terms of the GNU General Public License as published by
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12 ;; the Free Software Foundation; either version 2, or (at your option)
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13 ;; any later version.
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14
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15 ;; XEmacs is distributed in the hope that it will be useful, but
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16 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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18 ;; General Public License for more details.
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19
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20 ;; You should have received a copy of the GNU General Public License
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21 ;; along with XEmacs; see the file COPYING. If not, write to the Free
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22 ;; Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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23
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24 ;;; Synched up with: FSF 19.30.
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25
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26 ;;; Commentary:
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27
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28 ;; This file is dumped with XEmacs.
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29
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30 ;; These are default settings for names of certain files and directories
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31 ;; that Emacs needs to refer to from time to time.
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32
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33 ;; If these settings are not right, override them with `setq'
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34 ;; in site-start.el. Do not change this file.
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35
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36 ;;; Code:
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37
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38 ;Note: FSF's version is:
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39 ;(defvar Info-default-directory-list
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40 ; (let ((start (list "/usr/local/lib/info/"
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41 ; ;; This comes second so that, if it is the same
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42 ; ;; as configure-info-directory (which is usually true)
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43 ; ;; and Emacs has been installed (also usually true)
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44 ; ;; then the list will end with two copies of this;
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45 ; ;; which means that the last dir file Info-insert-dir
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46 ; ;; finds will be the one in this directory.
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47 ; "/usr/local/info/"))
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48 ; (configdir (file-name-as-directory configure-info-directory)))
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49 ; (setq start (nconc start (list configdir)))
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50 ; start)
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51 ; "List of directories to search for Info documentation files.
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52 ;They are searched in the order they are given in this list.
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53 ;Therefore, the directory of Info files that come with Emacs
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54 ;normally should come last (so that local files override standard ones).")
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55
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56 ;Our commented-out version is:
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57 ;(defvar Info-default-directory-list
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58 ; (let ((start (list "/usr/local/info/"
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59 ; "/usr/local/lib/info/"))
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60 ; (configdir (file-name-as-directory configure-info-directory)))
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61 ; (or (member configdir start)
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62 ; (setq start (nconc start (list configdir))))
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63 ; (or (member (expand-file-name "../info/" data-directory) start)
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64 ; (setq start
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65 ; (nconc start
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66 ; (list (expand-file-name "../info/" data-directory)))))
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67 ; start)
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68 ; "List of directories to search for Info documentation files.")
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69
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70 (defvar news-path "/usr/spool/news/"
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71 "The root directory below which all news files are stored.")
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72
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73 (defvar news-inews-program nil
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74 "Program to post news.")
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75
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76 ;(defvar gnus-default-nntp-server ""
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77 ; ;; set this to your local server
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78 ; "The name of the host running an NNTP server.
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79 ;If it is a string such as \":DIRECTORY\", then ~/DIRECTORY
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80 ;is used as a news spool. `gnus-nntp-server' is initialized from NNTPSERVER
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81 ;environment variable or, if none, this value.")
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82
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83 ;(defvar gnus-nntp-service "nntp"
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84 ; "NNTP service name, usually \"nntp\" or 119).
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85 ;Go to a local news spool if its value is nil, in which case `gnus-nntp-server'
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86 ;should be set to `(system-name)'.")
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87
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88 (defvar mh-progs nil
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89 "Directory containing MH commands.")
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90
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91 (defvar mh-lib nil
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92 "Directory of MH library.")
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93
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444
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94 (defvar rmail-file-name "~/RMAIL"
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428
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95 "Name of user's primary mail file.")
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96
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97 (defconst rmail-spool-directory nil
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98 "Name of directory used by system mailer for delivering new mail.
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99 Its name should end with a slash.")
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100
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101 (defconst sendmail-program nil
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102 "Program used to send messages.")
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103
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104 (defconst remote-shell-program nil
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105 "Program used to execute shell commands on a remote machine.")
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106
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444
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107 (defconst term-file-prefix "term/"
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428
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108 "If non-nil, Emacs startup does (load (concat term-file-prefix (getenv \"TERM\")))
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109 You may set this variable to nil in your `.emacs' file if you do not wish
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110 the terminal-initialization file to be loaded.")
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111
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112 (defconst manual-program nil
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113 "Program to run to print man pages.")
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114
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444
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115 (defconst abbrev-file-name "~/.abbrev_defs"
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428
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116 "*Default name of file to read abbrevs from.")
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117
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118 (defconst directory-abbrev-alist nil)
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119
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120 ;; Formerly, the values of these variables were computed once
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121 ;; (at dump time). However, with the advent of pre-compiled binaries
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122 ;; and homebrewed systems such as Linux where who knows where the
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123 ;; hell the various programs may be located (if they even exist at all),
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124 ;; it's clear that we need to recompute these values at run time.
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125 ;; In typical short-sightedness, site administrators have been told up
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126 ;; till now to do `setq's in site-init.el, which is run only once --
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127 ;; at dump time. So we have to do contortions to make sure we don't
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128 ;; override values set in site-init.el.
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129
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130 (defun initialize-xemacs-paths ()
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131 "Initialize the XEmacs path variables from the environment.
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132 Called automatically at dump time and run time. Do not call this.
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133 Will not override settings in site-init.el or site-run.el."
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134 (let ((l #'(lambda (var value)
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135 (let ((origsym (intern (concat "paths-el-original-"
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136 (symbol-name var)))))
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137 (if (running-temacs-p)
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138 (progn
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139 (set var value)
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140 (set origsym value))
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141 (and (eq (symbol-value var) (symbol-value origsym))
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142 (set var value)))))))
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143 (funcall
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144 l 'news-inews-program
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145 (cond ((file-exists-p "/usr/bin/inews") "/usr/bin/inews")
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146 ((file-exists-p "/usr/local/inews") "/usr/local/inews")
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147 ((file-exists-p "/usr/local/bin/inews") "/usr/local/bin/inews")
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148 ((file-exists-p "/usr/lib/news/inews") "/usr/lib/news/inews")
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149 (t "inews")))
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150
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151 (funcall
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152 l 'mh-progs
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153 (cond ((file-directory-p "/usr/bin/mh") "/usr/bin/mh/") ;Ultrix 4.2
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154 ((file-directory-p "/usr/new/mh") "/usr/new/mh/") ;Ultrix <4.2
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155 ((file-directory-p "/usr/local/bin/mh") "/usr/local/bin/mh/")
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156 ((file-directory-p "/usr/local/mh") "/usr/local/mh/")
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157 (t "/usr/local/bin/")))
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158
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159 (funcall
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160 l 'mh-libs
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161 (cond ((file-directory-p "/usr/lib/mh") "/usr/lib/mh/") ;Ultrix 4.2
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162 ((file-directory-p "/usr/new/lib/mh")
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163 "/usr/new/lib/mh/") ;Ultrix <4.2
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164 ((file-directory-p "/usr/local/lib/mh") "/usr/local/lib/mh/")
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165 (t "/usr/local/bin/mh/")))
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166
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167 (funcall
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168 l 'rmail-spool-directory
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169 (cond ((string-match "^[^-]+-[^-]+-sco3.2v4" system-configuration)
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170 "/usr/spool/mail/")
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171 ;; On The Bull DPX/2 /usr/spool/mail is used although
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172 ;; it is usg-unix-v.
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173 ((string-match "^m68k-bull-sysv3" system-configuration)
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174 "/usr/spool/mail/")
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175 ;; SVR4 and recent BSD are said to use this.
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176 ;; Rather than trying to know precisely which systems use it,
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177 ;; let's assume this dir is never used for anything else.
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178 ((file-exists-p "/var/mail")
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179 "/var/mail/")
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180 ((memq system-type '(dgux hpux usg-unix-v unisoft-unix rtu irix))
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181 "/usr/mail/")
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182 ((memq system-type '(linux))
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183 "/var/spool/mail/")
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184 (t "/usr/spool/mail/")))
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185
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186 (funcall
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187 l 'sendmail-program
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188 (cond
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189 ((file-exists-p "/usr/lib/sendmail") "/usr/lib/sendmail")
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190 ((file-exists-p "/usr/sbin/sendmail") "/usr/sbin/sendmail")
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191 ((file-exists-p "/usr/ucblib/sendmail") "/usr/ucblib/sendmail")
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192 (t "fakemail"))) ;In ../etc, to interface to /bin/mail.
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193
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194 (funcall
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195 l 'remote-shell-program
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196 (cond
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197 ;; Some systems use rsh for the remote shell; others use that
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198 ;; name for the restricted shell and use remsh for the remote
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199 ;; shell. Let's try to guess based on what we actually find
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200 ;; out there. The restricted shell is almost certainly in
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201 ;; /bin or /usr/bin, so it's probably safe to assume that an
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202 ;; rsh found elsewhere is the remote shell program. The
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203 ;; converse is not true: /usr/bin/rsh could be either one, so
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204 ;; check that last.
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205 ((file-exists-p "/usr/ucb/remsh") "/usr/ucb/remsh")
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206 ((file-exists-p "/usr/bsd/remsh") "/usr/bsd/remsh")
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207 ((file-exists-p "/bin/remsh") "/bin/remsh")
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208 ((file-exists-p "/usr/bin/remsh") "/usr/bin/remsh")
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209 ((file-exists-p "/usr/local/bin/remsh") "/usr/local/bin/remsh")
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210 ((file-exists-p "/usr/ucb/rsh") "/usr/ucb/rsh")
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211 ((file-exists-p "/usr/bsd/rsh") "/usr/bsd/rsh")
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212 ((file-exists-p "/usr/local/bin/rsh") "/usr/local/bin/rsh")
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213 ((file-exists-p "/usr/bin/rcmd") "/usr/bin/rcmd")
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214 ((file-exists-p "/bin/rcmd") "/bin/rcmd")
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215 ((file-exists-p "/bin/rsh") "/bin/rsh")
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216 ((file-exists-p "/usr/bin/rsh") "/usr/bin/rsh")
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217 (t "rsh")))
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218
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219 (funcall
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220 l 'manual-program
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221 ;; Solaris 2 has both of these files; prefer /usr/ucb/man
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222 ;; because the other has nonstandard argument conventions.
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223 (if (file-exists-p "/usr/ucb/man")
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224 "/usr/ucb/man" "/usr/bin/man"))
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225
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226 (funcall
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227 l 'directory-abbrev-alist
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228 ;; Try to match various conventions for automounter temporary
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229 ;; mount points. These temporary mount points may go away, so
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230 ;; it's important that we only try to read files under the
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231 ;; "advertised" mount point, rather than the temporary one, or it
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232 ;; will look like files have been deleted on us. Whoever came up
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233 ;; with this design is clearly a moron of the first order, but
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234 ;; now we're stuck with it, no doubt until the end of time.
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235 ;;
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236 ;; For best results, automounter junk should go near the front of this
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237 ;; list, and other user translations should come after it.
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238 ;;
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239 ;; Our code handles the following empirically observed conventions:
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240 ;; /net is an actual directory! (some systems are not broken!)
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241 ;; /net/HOST -> /tmp_mnt/net/HOST (`standard' old Sun automounter)
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242 ;; /net/HOST -> /tmp_mnt/HOST (BSDI 4.0)
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243 ;; /net/HOST -> /a/HOST (Freebsd 2.2.x)
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244 ;; /net/HOST -> /amd/HOST (seen in amd sample config files)
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245 ;;
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246 ;; If your system has a different convention, you may have to change this.
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247 ;; Don't forget to send in a patch!
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248 (when (file-directory-p "/net")
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249 (append
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250 (when (file-directory-p "/tmp_mnt")
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251 (if (file-directory-p "/tmp_mnt/net")
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252 '(("\\`/tmp_mnt/net/" . "/net/"))
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253 '(("\\`/tmp_mnt/" . "/net/"))))
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254 (when (file-directory-p "/a")
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255 '(("\\`/a/" . "/net/")))
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256 (when (file-directory-p "/amd")
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257 '(("\\`/amd/" . "/net/")))
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258 )))
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259 ))
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260
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261 (if (running-temacs-p)
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262 (initialize-xemacs-paths))
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263
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264 ;;; paths.el ends here
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