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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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2
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26 (defconst emacs-version "19.15" "\
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27 Version numbers of this version of Emacs.")
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28
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2
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29 (setq emacs-version (purecopy (concat emacs-version " XEmacs Lucid (beta2)")))
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0
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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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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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54 (defun emacs-version (&optional here) "\
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55 Return string describing the version of Emacs that is running.
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56 If optional argument HERE is non-nil, insert string at point.
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57 Don't use this function in programs to choose actions according
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58 to the system configuration; look at `system-configuration' instead."
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59 (interactive "P")
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60 (let ((version-string
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61 (format "XEmacs %s [Lucid] (%s) of %s %s on %s"
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62 (substring emacs-version 0
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63 (string-match " XEmacs" emacs-version))
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64 system-configuration
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65 (substring emacs-build-time 0
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66 (string-match " *[0-9]*:" emacs-build-time))
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67 (substring emacs-build-time
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68 (string-match "[0-9]*$" emacs-build-time))
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69 emacs-build-system)))
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70 (if here
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71 (insert version-string)
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72 (if (interactive-p)
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73 (message "%s" version-string)
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74 version-string))))
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75
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76 ;; from emacs-vers.el
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77 (defun emacs-version>= (major &optional minor)
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78 "Return true if the Emacs version is >= to the given MAJOR and MINOR numbers.
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79
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80 The MAJOR version number argument is required, but the MINOR version number
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81 argument is optional. If the minor version number is not specified (or is the
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82 symbol `nil') then only the major version numbers are considered in the test."
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83 (if (null minor)
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84 (>= emacs-major-version major)
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85 (or (> emacs-major-version major)
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86 (and (= emacs-major-version major)
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87 (>= emacs-minor-version minor))
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88 )
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89 ))
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90
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91 ;;; We hope that this alias is easier for people to find.
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92 (define-function 'version 'emacs-version)
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93
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94 ;; Put the emacs version number into the `pure[]' array in a form that
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95 ;; `what(1)' can extract from the executable or a core file. We don't
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96 ;; actually need this to be pointed to from lisp; pure objects can't
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97 ;; be GCed.
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98 (or (memq system-type '(vax-vms windows-nt ms-dos))
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99 (purecopy (concat "\n@" "(#)" (emacs-version)
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100 "\n@" "(#)" "Configuration: "
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101 system-configuration "\n")))
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102
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103 ;;Local variables:
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104 ;;version-control: never
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105 ;;End:
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106
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107 ;;; version.el ends here
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