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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 Free Software Foundation, Inc.
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4
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5 ;; Maintainer: FSF
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6 ;; Keywords: internal
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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 ;; These are default settings for names of certain files and directories
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29 ;; that Emacs needs to refer to from time to time.
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30
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31 ;; If these settings are not right, override them with `setq'
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32 ;; in site-start.el. Do not change this file.
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33
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34 ;;; Code:
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35
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36 ;Note: FSF's version is:
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37 ;(defvar Info-default-directory-list
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38 ; (let ((start (list "/usr/local/lib/info/"
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39 ; ;; This comes second so that, if it is the same
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40 ; ;; as configure-info-directory (which is usually true)
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41 ; ;; and Emacs has been installed (also usually true)
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42 ; ;; then the list will end with two copies of this;
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43 ; ;; which means that the last dir file Info-insert-dir
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44 ; ;; finds will be the one in this directory.
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45 ; "/usr/local/info/"))
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46 ; (configdir (file-name-as-directory configure-info-directory)))
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47 ; (setq start (nconc start (list configdir)))
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48 ; start)
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49 ; "List of directories to search for Info documentation files.
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50 ;They are searched in the order they are given in this list.
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51 ;Therefore, the directory of Info files that come with Emacs
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52 ;normally should come last (so that local files override standard ones).")
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53
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54 ;Our commented-out version is:
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55 ;(defvar Info-default-directory-list
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56 ; (let ((start (list "/usr/local/info/"
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57 ; "/usr/local/lib/info/"))
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58 ; (configdir (file-name-as-directory configure-info-directory)))
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59 ; (or (member configdir start)
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60 ; (setq start (nconc start (list configdir))))
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61 ; (or (member (expand-file-name "../info/" data-directory) start)
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62 ; (setq start
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63 ; (nconc start
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64 ; (list (expand-file-name "../info/" data-directory)))))
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65 ; start)
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66 ; "List of directories to search for Info documentation files.")
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67
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68 (defvar news-path "/usr/spool/news/"
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69 "The root directory below which all news files are stored.")
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70
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71 (defvar news-inews-program nil
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72 "Program to post news.")
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73
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74 ;(defvar gnus-default-nntp-server ""
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75 ; ;; set this to your local server
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76 ; "The name of the host running an NNTP server.
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77 ;If it is a string such as \":DIRECTORY\", then ~/DIRECTORY
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78 ;is used as a news spool. `gnus-nntp-server' is initialised from NNTPSERVER
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79 ;environment variable or, if none, this value.")
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80
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81 ;(defvar gnus-nntp-service "nntp"
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82 ; "NNTP service name, usually \"nntp\" or 119).
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83 ;Go to a local news spool if its value is nil, in which case `gnus-nntp-server'
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84 ;should be set to `(system-name)'.")
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85
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86 (defvar gnus-local-domain nil
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87 "*Your domain name without a host name: for example, \"ai.mit.edu\".
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88 The DOMAINNAME environment variable is used instead if defined.
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89 If the function `system-name' returns a fully qualified domain name,
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90 there is no need to set this variable.")
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91
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92 (defvar gnus-local-organization nil
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93 "*The name of your organization, as a string.
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94 The `ORGANIZATION' environment variable is used instead if defined.")
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95
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96 (defvar mh-progs nil
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97 "Directory containing MH commands.")
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98
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99 (defvar mh-lib nil
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100 "Directory of MH library.")
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101
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102 (defvar rmail-file-name (purecopy "~/RMAIL")
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103 "Name of user's primary mail file.")
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104
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105 (defvar gnus-startup-file (purecopy "~/.newsrc")
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106 "The file listing groups to which user is subscribed.
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107 Will use `gnus-startup-file'-SERVER instead if exists.")
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108
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109 (defconst rmail-spool-directory nil
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110 "Name of directory used by system mailer for delivering new mail.
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111 Its name should end with a slash.")
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112
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113 (defconst sendmail-program nil
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114 "Program used to send messages.")
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115
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116 (defconst remote-shell-program nil
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117 "Program used to execute shell commands on a remote machine.")
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118
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119 (defconst term-file-prefix
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120 (purecopy (if (eq system-type 'vax-vms) "[.term]" "term/"))
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121 "If non-nil, Emacs startup does (load (concat term-file-prefix (getenv \"TERM\")))
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122 You may set this variable to nil in your `.emacs' file if you do not wish
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123 the terminal-initialization file to be loaded.")
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124
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125 (defconst manual-program nil
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126 "Program to run to print man pages.")
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127
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128 (defconst abbrev-file-name
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129 (purecopy (if (eq system-type 'vax-vms)
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130 "~/abbrev.def"
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131 "~/.abbrev_defs"))
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132 "*Default name of file to read abbrevs from.")
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133
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134 (defconst directory-abbrev-alist
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135 (list
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136 ;;
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137 ;; This matches the default Sun automounter temporary mount points. These
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138 ;; temporary mount points may go away, so it's important that we only try
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139 ;; to read files under the "advertised" mount point, rather than the
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140 ;; temporary one, or it will look like files have been deleted on us.
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141 ;; Whoever came up with this design is clearly a moron of the first order,
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142 ;; but now we're stuck with it, no doubt until the end of time.
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143 ;;
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144 ;; For best results, automounter junk should go near the front of this
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145 ;; list, and other user translations should come after it.
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146 ;;
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147 ;; You may need to change this if you're not running the Sun automounter,
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148 ;; if you're not running in the default configuration. Because the
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149 ;; designers (and I use that term loosely) of the automounters failed to
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150 ;; provide any uniform way of disambiguating a pathname, emacs needs to
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151 ;; have knowledge about exactly how the automounter mangles pathnames
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152 ;; (and this knowledge is basically impossible to derive at run-time.)
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153 ;;
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154 (cons (purecopy "\\`/tmp_mnt/") (purecopy "/"))
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155 ))
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156
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157 ;; Formerly, the values of these variables were computed once
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158 ;; (at dump time). However, with the advent of pre-compiled binaries
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159 ;; and homebrewed systems such as Linux where who knows where the
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160 ;; hell the various programs may be located (if they even exist at all),
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161 ;; it's clear that we need to recompute these values at run time.
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162 ;; In typical short-sightedness, site administrators have been told up
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163 ;; till now to do `setq's in site-init.el, which is run only once --
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164 ;; at dump time. So we have to do contortions to make sure we don't
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165 ;; override values set in site-init.el.
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166
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167 (defun initialize-xemacs-paths ()
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168 "Initialize the XEmacs path variables from the environment.
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169 Called automatically at dump time and run time. Do not call this.
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170 Will not override settings in site-init.el or site-run.el."
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171 (let ((l #'(lambda (var value)
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172 (let ((origsym (intern (concat "paths-el-original-"
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173 (symbol-name var)))))
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174 (if (running-temacs-p)
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175 (progn
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176 (set var value)
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177 (set origsym value))
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178 (and (eq (symbol-value var) (symbol-value origsym))
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179 (set var value)))))))
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180 (funcall
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181 l 'news-inews-program
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182 (cond ((file-exists-p "/usr/bin/inews") "/usr/bin/inews")
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183 ((file-exists-p "/usr/local/inews") "/usr/local/inews")
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184 ((file-exists-p "/usr/local/bin/inews") "/usr/local/bin/inews")
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185 ((file-exists-p "/usr/lib/news/inews") "/usr/lib/news/inews")
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186 (t "inews")))
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187
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188 (funcall
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189 l 'mh-progs
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190 (cond ((file-directory-p "/usr/bin/mh") "/usr/bin/mh/") ;Ultrix 4.2
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191 ((file-directory-p "/usr/new/mh") "/usr/new/mh/") ;Ultrix <4.2
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192 ((file-directory-p "/usr/local/bin/mh") "/usr/local/bin/mh/")
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193 ((file-directory-p "/usr/local/mh") "/usr/local/mh/")
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194 (t "/usr/local/bin/")))
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195
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196 (funcall
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197 l 'mh-libs
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198 (cond ((file-directory-p "/usr/lib/mh") "/usr/lib/mh/") ;Ultrix 4.2
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199 ((file-directory-p "/usr/new/lib/mh")
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200 "/usr/new/lib/mh/") ;Ultrix <4.2
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201 ((file-directory-p "/usr/local/lib/mh") "/usr/local/lib/mh/")
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202 (t "/usr/local/bin/mh/")))
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203
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204 (funcall
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205 l 'rmail-spool-directory
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206 (cond ((string-match "^[^-]+-[^-]+-sco3.2v4" system-configuration)
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207 "/usr/spool/mail/")
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208 ;; On The Bull DPX/2 /usr/spool/mail is used although
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209 ;; it is usg-unix-v.
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210 ((string-match "^m68k-bull-sysv3" system-configuration)
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211 "/usr/spool/mail/")
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212 ;; SVR4 and recent BSD are said to use this.
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213 ;; Rather than trying to know precisely which systems use it,
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214 ;; let's assume this dir is never used for anything else.
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215 ((file-exists-p "/var/mail")
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216 "/var/mail/")
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217 ((memq system-type '(dgux hpux usg-unix-v unisoft-unix rtu irix))
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218 "/usr/mail/")
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183
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219 ((memq system-type '(linux))
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220 "/var/spool/mail/")
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221 (t "/usr/spool/mail/")))
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222
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223 (funcall
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224 l 'sendmail-program
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225 (cond
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226 ((file-exists-p "/usr/lib/sendmail") "/usr/lib/sendmail")
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227 ((file-exists-p "/usr/sbin/sendmail") "/usr/sbin/sendmail")
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228 ((file-exists-p "/usr/ucblib/sendmail") "/usr/ucblib/sendmail")
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229 (t "fakemail"))) ;In ../etc, to interface to /bin/mail.
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230
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231 (funcall
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232 l 'remote-shell-program
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233 (cond
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234 ;; Some systems use rsh for the remote shell; others use that
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235 ;; name for the restricted shell and use remsh for the remote
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236 ;; shell. Let's try to guess based on what we actually find
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237 ;; out there. The restricted shell is almost certainly in
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238 ;; /bin or /usr/bin, so it's probably safe to assume that an
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239 ;; rsh found elsewhere is the remote shell program. The
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240 ;; converse is not true: /usr/bin/rsh could be either one, so
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241 ;; check that last.
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242 ((file-exists-p "/usr/ucb/remsh") "/usr/ucb/remsh")
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243 ((file-exists-p "/usr/bsd/remsh") "/usr/bsd/remsh")
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244 ((file-exists-p "/bin/remsh") "/bin/remsh")
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245 ((file-exists-p "/usr/bin/remsh") "/usr/bin/remsh")
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246 ((file-exists-p "/usr/local/bin/remsh") "/usr/local/bin/remsh")
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247 ((file-exists-p "/usr/ucb/rsh") "/usr/ucb/rsh")
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248 ((file-exists-p "/usr/bsd/rsh") "/usr/bsd/rsh")
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249 ((file-exists-p "/usr/local/bin/rsh") "/usr/local/bin/rsh")
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250 ((file-exists-p "/usr/bin/rcmd") "/usr/bin/rcmd")
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251 ((file-exists-p "/bin/rcmd") "/bin/rcmd")
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252 ((file-exists-p "/bin/rsh") "/bin/rsh")
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253 ((file-exists-p "/usr/bin/rsh") "/usr/bin/rsh")
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254 (t "rsh")))
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255
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256 (funcall
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257 l 'manual-program
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258 ;; Solaris 2 has both of these files; prefer /usr/ucb/man
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259 ;; because the other has nonstandard argument conventions.
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260 (if (file-exists-p "/usr/ucb/man")
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261 "/usr/ucb/man" "/usr/bin/man")))
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262 )
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263
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264 (if (running-temacs-p)
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265 (initialize-xemacs-paths))
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266
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267 ;;; paths.el ends here
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