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1 ;;; loadup.el --- load up standardly loaded Lisp files for XEmacs.
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2
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3 ;; Copyright (C) 1985, 1986, 1992, 1994 Free Software Foundation, Inc.
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4 ;; Copyright (C) 1996 Richard Mlynarik.
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5 ;; Copyright (C) 1995, 1996 Ben Wing.
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6
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7 ;; Keywords: internal
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8
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9 ;; This file is part of XEmacs.
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10
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11 ;; XEmacs is free software; you can redistribute it and/or modify it
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12 ;; under the terms of the GNU General Public License as published by
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13 ;; the Free Software Foundation; either version 2, or (at your option)
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14 ;; any later version.
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15
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16 ;; XEmacs is distributed in the hope that it will be useful, but
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17 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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19 ;; General Public License for more details.
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20
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21 ;; You should have received a copy of the GNU General Public License
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22 ;; along with XEmacs; see the file COPYING. If not, write to the Free
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23 ;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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24 ;; 02111-1307, USA.
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25
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26 ;;; Synched up with: Last synched with FSF 19.30, with wild divergence since.
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27
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28 ;;; Commentary:
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29
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30 ;; It is not a good idea to edit this file. Use site-init.el or site-load.el
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31 ;; instead.
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32 ;;
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33 ;; This is loaded into a bare Emacs to make a dumpable one.
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34
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35 ;;; Code:
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36
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37 (if (fboundp 'error)
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38 (error "loadup.el already loaded!"))
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39
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40 (define-function 'defalias 'define-function)
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41 (defvar running-xemacs t
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42 "Non-nil when the current emacsen is XEmacs.")
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43 (defvar preloaded-file-list nil
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44 "List of files preloaded into the XEmacs binary image.")
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45
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46 (call-with-condition-handler
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47 ;; This is awfully damn early to be getting an error, right?
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48 'really-early-error-handler
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49 #'(lambda ()
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50 ;; message not defined yet ...
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51 (external-debugging-output (format "\nUsing load-path %s" load-path))
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52
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53 ;; We don't want to have any undo records in the dumped XEmacs.
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54 (buffer-disable-undo (get-buffer "*scratch*"))
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55
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56 ;; lread.c (or src/Makefile.in.in) has prepended "${srcdir}/../lisp/"
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57 ;; to load-path, which is how this file has been found. At this point,
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58 ;; enough of emacs has been initialized that we can call directory-files
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59 ;; and get the rest of the dirs (so that we can dump stuff from modes/
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60 ;; and packages/.)
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61 ;;
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62 (let ((temp-path (expand-file-name "." (car load-path))))
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63 (setq source-directory temp-path)
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64 (setq load-path (nconc (mapcar
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65 #'(lambda (i) (concat i "/"))
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66 (directory-files temp-path t "^[^-.]"
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67 nil 'dirs-only))
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68 (cons (file-name-as-directory temp-path)
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69 load-path))))
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70
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71 (setq load-warn-when-source-newer t ; set to nil at the end
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72 load-warn-when-source-only t)
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73
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74 ;; Inserted for debugging. Something is corrupting a single symbol
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75 ;; somewhere to have an integer 0 property list. -slb 6/28/1997.
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76 (defun test-atoms ()
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77 (mapatoms
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78 #'(lambda (symbol)
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79 (condition-case nil
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80 (get symbol 'custom-group)
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81 (t (princ
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82 (format "Bad plist in %s, %s\n"
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83 (symbol-name symbol)
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84 (prin1-to-string (object-plist symbol)))))))))
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85
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86 ;; garbage collect after loading every file in an attempt to
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87 ;; minimize the size of the dumped image (if we don't do this,
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88 ;; there will be lots of extra space in the data segment filled
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89 ;; with garbage-collected junk)
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90 (defmacro load-gc (file)
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91 (list 'prog1 (list 'load file)
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92 ;; '(test-atoms)
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93 '(garbage-collect)))
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94 ;; Need a minimal number hardcoded to get going for now.
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95 ;; (load-gc "backquote") ; needed for defsubst etc.
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96 ;; (load-gc "bytecomp-runtime") ; define defsubst
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97 ;; (load-gc "subr") ; load the most basic Lisp functions
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98 ;; (load-gc "replace") ; match-string used in version.el.
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99 ;; (load-gc "version.el") ; Ignore compiled-by-mistake version.elc
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100 ;; (load-gc "cl")
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101 ;; (load-gc "featurep") ; OBSOLETE now
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102 (load "dumped-lisp.el")
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103 (let ((dumped-lisp-packages preloaded-file-list)
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104 file)
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105 (while (setq file (car dumped-lisp-packages))
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106 (load-gc file)
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107 (setq dumped-lisp-packages (cdr dumped-lisp-packages)))
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108 (if (not (featurep 'toolbar))
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109 (progn
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110 ;; else still define a few functions.
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111 (defun toolbar-button-p (obj) "No toolbar support." nil)
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112 (defun toolbar-specifier-p (obj) "No toolbar support." nil)))
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113 (fmakunbound 'load-gc))
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114 )) ;; end of call-with-condition-handler
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115
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116
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117 ;; Fix up the preloaded file list
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118 (setq preloaded-file-list (mapcar #'file-name-sans-extension
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119 preloaded-file-list))
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120
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121 (setq load-warn-when-source-newer t ; set to t at top of file
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122 load-warn-when-source-only nil)
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123
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124 (setq debugger 'debug)
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125
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126 (when (member "no-site-file" command-line-args)
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127 (setq site-start-file nil))
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128
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129 ;; If you want additional libraries to be preloaded and their
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130 ;; doc strings kept in the DOC file rather than in core,
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131 ;; you may load them with a "site-load.el" file.
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132 ;; But you must also cause them to be scanned when the DOC file
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133 ;; is generated. For VMS, you must edit ../../vms/makedoc.com.
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134 ;; For other systems, you must edit ../../src/Makefile.in.in.
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135 (if (load "site-load" t)
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136 (garbage-collect))
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137
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138 ;;FSFmacs randomness
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139 ;;(if (fboundp 'x-popup-menu)
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140 ;; (precompute-menubar-bindings))
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141 ;;; Turn on recording of which commands get rebound,
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142 ;;; for the sake of the next call to precompute-menubar-bindings.
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143 ;(setq define-key-rebound-commands nil)
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144
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145
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146 ;; Note: all compiled Lisp files loaded above this point
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147 ;; must be among the ones parsed by make-docfile
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148 ;; to construct DOC. Any that are not processed
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149 ;; for DOC will not have doc strings in the dumped XEmacs.
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150
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151 ;; Don't bother with these if we're running temacs, i.e. if we're
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152 ;; just debugging don't waste time finding doc strings.
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153
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154 ;; purify-flag is nil if called from loadup-el.el.
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155 (when purify-flag
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156 (message "Finding pointers to doc strings...")
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157 ;; (test-atoms) ; Debug -- Doesn't happen here
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158 (Snarf-documentation "DOC")
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159 ;; (test-atoms) ; Debug -- Doesn't happen here
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160 (message "Finding pointers to doc strings...done")
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161 (Verify-documentation)
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162 ;; (test-atoms) ; Debug -- Doesn't happen here
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163 )
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164
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165 ;; Note: You can cause additional libraries to be preloaded
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166 ;; by writing a site-init.el that loads them.
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167 ;; See also "site-load" above.
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168 (if (stringp site-start-file)
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169 (load "site-init" t))
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170 (setq current-load-list nil)
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171 (garbage-collect)
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172
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173 ;;; At this point, we're ready to resume undo recording for scratch.
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174 (buffer-enable-undo "*scratch*")
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175
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176 ;; Dump into the name `xemacs' (only)
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177 (when (member "dump" command-line-args)
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178 (message "Dumping under the name xemacs")
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179 (condition-case () (delete-file "xemacs") (file-error nil))
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180 (when (fboundp 'really-free)
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181 (really-free))
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182 (dump-emacs "xemacs" "temacs")
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183 (kill-emacs))
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184
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185 (when (member "run-temacs" command-line-args)
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186 (message "\nBootstrapping from temacs...")
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187 (setq purify-flag nil)
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188 ;; Remove all args up to and including "run-temacs"
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189 (apply #'run-emacs-from-temacs (cdr (member "run-temacs" command-line-args)))
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190 ;; run-emacs-from-temacs doesn't actually return anyway.
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191 (kill-emacs))
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192
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193 ;; Avoid error if user loads some more libraries now.
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194 (setq purify-flag nil)
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195
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196 ;; XEmacs change
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197 ;; If you are using 'recompile', then you should have used -l loadup-el.el
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198 ;; so that the .el files always get loaded (the .elc files may be out-of-
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199 ;; date or bad).
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200 (when (member "recompile" command-line-args)
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201 (let ((command-line-args-left (cdr (member "recompile" command-line-args))))
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202 (batch-byte-recompile-directory)
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203 (kill-emacs)))
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204
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205 ;; For machines with CANNOT_DUMP defined in config.h,
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206 ;; this file must be loaded each time Emacs is run.
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207 ;; So run the startup code now.
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208
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209 (when (not (fboundp 'dump-emacs))
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210 ;; Avoid loading loadup.el a second time!
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211 (setq command-line-args (cdr (cdr command-line-args)))
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212 (eval top-level))
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213
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214 ;;; loadup.el ends here
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