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1 ;; Record version number of Emacs.
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2 ;; Copyright (C) 1985, 1991-1994 Free Software Foundation, Inc.
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3
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4 ;; This file is part of GNU Emacs.
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5
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6 ;; GNU Emacs is free software; you can redistribute it and/or modify
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7 ;; it under the terms of the GNU General Public License as published by
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8 ;; the Free Software Foundation; either version 2, or (at your option)
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9 ;; any later version.
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10
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11 ;; GNU Emacs is distributed in the hope that it will be useful,
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12 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 ;; GNU General Public License for more details.
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15
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16 ;; You should have received a copy of the GNU General Public License
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17 ;; along with GNU Emacs; see the file COPYING. If not, write to
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18 ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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19
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20 ;;; Synched up with: FSF 19.30.
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21
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22 ;;; Code:
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23
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24 ;; The following line is modified automatically
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25 ;; by loading inc-version.el, each time a new Emacs is dumped.
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50
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26 ;; (defconst emacs-version "19.16" "\
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27 ;; Version numbers of this version of Emacs.")
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28
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50
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29 ;; (setq emacs-version (purecopy (concat emacs-version " XEmacs Lucid (beta90)")))
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30
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31 ;(defconst emacs-major-version
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32 ; (progn (or (string-match "^[0-9]+" emacs-version)
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33 ; (error "emacs-version unparsable"))
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34 ; (string-to-int (match-string 0 emacs-version)))
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35 ; "Major version number of this version of Emacs, as an integer.
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36 ;Warning, this variable did not exist in Emacs versions earlier than:
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37 ; FSF Emacs: 19.23
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38 ; XEmacs: 19.10")
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39
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50
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40 ;(defconst emacs-minor-version
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41 ; (progn (or (string-match "^[0-9]+\\.\\([0-9]+\\)" emacs-version)
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42 ; (error "emacs-version unparsable"))
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43 ; (string-to-int (match-string 1 emacs-version)))
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44 ; "Minor version number of this version of Emacs, as an integer.
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45 ;Warning, this variable did not exist in Emacs versions earlier than:
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46 ; FSF Emacs: 19.23
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47 ; XEmacs: 19.10")
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48
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49 (defconst emacs-build-time (current-time-string) "\
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50 Time at which Emacs was dumped out.")
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51
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52 (defconst emacs-build-system (system-name))
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53
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52
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54 (defconst xemacs-betaname nil
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50
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55 "Non-nil when this is a test (beta) version of XEmacs.
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56 Warning, this variable did not exist in XEmacs versions prior to 20.3")
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57
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68
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58 (defconst xemacs-codename "Lille"
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52
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59 "Symbolic name of XEmacs build.
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60 Warning, this variable did not exist in XEmacs versions prior to 19.16
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61 and 20.3")
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50
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62
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63 (defconst emacs-version
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64 (purecopy
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65 (format "%d.%d \"%s\"%s%s"
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66 emacs-major-version
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67 emacs-minor-version
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68 xemacs-codename
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69 " XEmacs Lucid"
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70 (if xemacs-betaname
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71 (concat " " xemacs-betaname)
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72 "")))
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73 "Version numbers of this version of XEmacs.")
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74
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75
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76 (defun emacs-version (&optional here) "\
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77 Return string describing the version of Emacs that is running.
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78 If optional argument HERE is non-nil, insert string at point.
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79 Don't use this function in programs to choose actions according
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80 to the system configuration; look at `system-configuration' instead."
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81 (interactive "P")
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82 (let ((version-string
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83 (format "XEmacs %s [Lucid] (%s) of %s %s on %s"
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84 (substring emacs-version 0
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85 (string-match " XEmacs" emacs-version))
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86 system-configuration
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87 (substring emacs-build-time 0
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88 (string-match " *[0-9]*:" emacs-build-time))
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89 (substring emacs-build-time
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90 (string-match "[0-9]*$" emacs-build-time))
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91 emacs-build-system)))
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92 (if here
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93 (insert version-string)
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94 (if (interactive-p)
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95 (message "%s" version-string)
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96 version-string))))
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97
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98 ;; from emacs-vers.el
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99 (defun emacs-version>= (major &optional minor)
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100 "Return true if the Emacs version is >= to the given MAJOR and MINOR numbers.
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101
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102 The MAJOR version number argument is required, but the MINOR version number
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103 argument is optional. If the minor version number is not specified (or is the
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104 symbol `nil') then only the major version numbers are considered in the test."
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105 (if (null minor)
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106 (>= emacs-major-version major)
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107 (or (> emacs-major-version major)
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108 (and (= emacs-major-version major)
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109 (>= emacs-minor-version minor))
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110 )
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111 ))
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112
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113 ;;; We hope that this alias is easier for people to find.
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114 (define-function 'version 'emacs-version)
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115
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116 ;; Put the emacs version number into the `pure[]' array in a form that
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117 ;; `what(1)' can extract from the executable or a core file. We don't
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118 ;; actually need this to be pointed to from lisp; pure objects can't
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119 ;; be GCed.
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120 (or (memq system-type '(vax-vms windows-nt ms-dos))
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121 (purecopy (concat "\n@" "(#)" (emacs-version)
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122 "\n@" "(#)" "Configuration: "
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123 system-configuration "\n")))
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124
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125 ;;Local variables:
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126 ;;version-control: never
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127 ;;End:
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128
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129 ;;; version.el ends here
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