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1 ;; Vietnamese language specific setup for Mule
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2 ;; Copyright (C) 1992 Free Software Foundation, Inc.
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3 ;; This file is part of Mule (MULtilingual Enhancement of GNU Emacs).
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4 ;; This file contains European characters.
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5
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6 ;; Mule is free software distributed in the form of patches to GNU Emacs.
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7 ;; You can redistribute it and/or modify
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8 ;; it under the terms of the GNU General Public License as published by
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9 ;; the Free Software Foundation; either version 1, or (at your option)
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10 ;; any later version.
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11
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12 ;; Mule is distributed in the hope that it will be useful,
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13 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 ;; GNU General Public License for more details.
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16
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17 ;; You should have received a copy of the GNU General Public License
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18 ;; along with GNU Emacs; see the file COPYING. If not, write to the
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19 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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20 ;; Boston, MA 02111-1307, USA.
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21
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22 ;;; 93.5.25 created for Mule Ver.0.9.8 by K.Handa <handa@etl.go.jp>
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23 ;;; 93.7.22 modified for Mule Ver.0.9.8 by K.Handa <handa@etl.go.jp>
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24
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25 (defconst viqr-regexp
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26 "[aeiouyAEIOUY]\\([(^+]?['`?~.]\\|[(^+]\\)\\|[Dd][Dd]")
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27
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28 ;;;###autoload
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29 (defun vn-compose-viqr (from to)
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30 "Convert 'VIQR' mnemonics of the current region to
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31 pre-composed Vietnamese characaters."
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32 (interactive "r")
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33 (let (quail-current-package map key def)
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34 (quail-use-package "viqr")
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35 (setq map (quail-map))
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36 (save-restriction
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37 (narrow-to-region from to)
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38 (goto-char (point-min))
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39 (while (re-search-forward viqr-regexp 0 t)
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40 (setq key (buffer-substring (match-beginning 0) (match-end 0)))
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41 (setq def (lookup-key map key))
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42 (if (numberp def)
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43 (if (> def 2)
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44 (setq key (substring key 0 (1- def))
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45 def (lookup-key map key))))
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46 (if (keymapp def)
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47 (progn
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48 (goto-char (match-beginning 0))
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49 (delete-region (point) (+ (point) (length key)))
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50 (insert (quail-get-candidate def t))))))))
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51
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52 ;;;###autoload
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53 (defun vn-compose-viqr-buffer ()
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54 (interactive)
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55 (vn-compose-viqr (point-min) (point-max)))
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56
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57 ;;;###autoload
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58 (defun vn-decompose-viqr (from to)
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59 "Convert pre-composed Vietnamese characaters of the current region to
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60 'VIQR' mnemonics."
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61 (interactive "r")
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62 (let (quail-current-package decode-map key def)
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63 (quail-use-package "viqr")
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64 (setq decode-map (quail-decode-map))
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65 (save-restriction
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66 (narrow-to-region from to)
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67 (goto-char (point-min))
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68 (while (re-search-forward "\\cv" 0 t)
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69 (setq def (preceding-char))
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70 (if (setq key (assq def decode-map))
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71 (progn
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72 (delete-char -1)
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73 (insert (cdr key))))))))
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74
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75 ;;;###autoload
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76 (defun vn-decompose-viqr-buffer ()
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77 (interactive)
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78 (vn-decompose-viqr (point-min) (point-max)))
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79
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80 ;;;
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81 (provide 'viet)
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82 (provide 'vietnamese)
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