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1 ;;; help-nomule.el --- Help functions when not in Mule
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2
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3 ;; Copyright (C) 1997 by Free Software Foundation, Inc.
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4
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5 ;; Maintainer: XEmacs Development Team
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6 ;; Keywords: help, 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, Inc., 59 Temple Place - Suite 330, Boston, MA
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23 ;; 02111-1307, USA.
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24
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25 ;;; Synched up with: Not in FSF
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26
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27 ;;; Commentary:
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28
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29 ;; This file is dumped with XEmacs.
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30
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31 ;;; Code:
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32
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33 (defconst tutorial-supported-languages
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765
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34 '(
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35 ("Croatian" hr iso-8859-2)
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36 ("French" fr iso-8859-1)
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428
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37 ("German" de iso-8859-1)
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38 ("Norwegian" no iso-8859-1)
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39 ("Polish" pl iso-8859-2)
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765
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40 ("Romanian" ro iso-8859-2)
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41 ("Swedish" se iso-8859-1)
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42 )
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428
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43 "Alist of supported languages in TUTORIAL files.
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44 Add languages here, as more are translated.")
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45
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46 ;; TUTORIAL arg is XEmacs addition
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47 (defun help-with-tutorial (&optional tutorial language)
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48 "Select the XEmacs learn-by-doing tutorial.
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49 Optional arg TUTORIAL specifies the tutorial file; default is \"TUTORIAL\".
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50 With a prefix argument, choose the language."
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51 (interactive "i\nP")
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52 (or tutorial
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53 (setq tutorial "TUTORIAL"))
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54 (when (and language (consp language))
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55 (let ((completion-ignore-case t))
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56 (setq language (assoc (completing-read "Language: "
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57 tutorial-supported-languages
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58 nil t)
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59 tutorial-supported-languages))))
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60 (when language
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61 (setq tutorial (format "%s.%s" tutorial (cadr language))))
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62 (let ((file (expand-file-name tutorial "~")))
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63 (delete-other-windows)
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64 (let ((buffer (or (get-file-buffer file)
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65 (create-file-buffer file)))
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66 (window-configuration (current-window-configuration)))
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67 (condition-case error-data
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68 (progn
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69 (switch-to-buffer buffer)
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70 (setq buffer-file-name file)
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71 (setq default-directory (expand-file-name "~/"))
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72 (setq buffer-auto-save-file-name nil)
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73 ;; Because of non-Mule users, TUTORIALs are not coded
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74 ;; independently, so we must guess the coding according to
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75 ;; the language.
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76 (let ((coding-system-for-read (nth 2 language)))
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77 (insert-file-contents (locate-data-file tutorial)))
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78 (goto-char (point-min))
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79 ;; The 'didactic' blank lines: possibly insert blank lines
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80 ;; around <<nya nya nya>> and replace << >> with [ ].
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81 (if (re-search-forward "^<<.+>>")
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82 (let ((n (- (window-height (selected-window))
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83 (count-lines (point-min) (point-at-bol))
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84 6)))
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85 (if (< n 12)
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86 (progn (beginning-of-line) (kill-line))
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87 ;; Some people get confused by the large gap
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88 (delete-backward-char 2)
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89 (insert "]")
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90 (beginning-of-line)
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91 (save-excursion
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92 (delete-char 2)
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93 (insert "["))
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94 (newline (/ n 2))
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95 (next-line 1)
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96 (newline (- n (/ n 2))))))
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97 (goto-char (point-min))
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98 (set-buffer-modified-p nil))
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99 ;; TUTORIAL was not found: kill the buffer and restore the
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100 ;; window configuration.
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101 (file-error (kill-buffer buffer)
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102 (set-window-configuration window-configuration)
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103 ;; Now, signal the error
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104 (signal (car error-data) (cdr error-data)))))))
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105
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106 ;; General Mule-compatibility stuffs
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107 (define-function 'string-width 'length)
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108
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109 ;; The following was originally in subr.el
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110 (defun make-char (charset &optional arg1 arg2)
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111 "Make a character from CHARSET and octets ARG1 and ARG2.
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112 This function is available for compatibility with Mule-enabled XEmacsen.
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113 When CHARSET is `ascii', return (int-char ARG1). Otherwise, return
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114 that value with the high bit set. ARG2 is always ignored."
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115 (int-char (if (eq charset 'ascii)
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116 arg1
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117 (logior arg1 #x80))))
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118
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119
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120 (provide 'help-nomule)
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121
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122 ;;; help-nomule.el ends here
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