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+;;; viqr.el --- Quail packages for inputting Vietnamese with VIQR system  -*-coding: utf-8;-*-
+
+;; Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
+;;   2006, 2007, 2008, 2009, 2010, 2011
+;;   National Institute of Advanced Industrial Science and Technology (AIST)
+;;   Registration Number H14PRO021
+
+;; Keywords: multilingual, input method, latin
+
+;; This file is part of GNU Emacs.
+
+;; GNU Emacs is free software: you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
+;; GNU Emacs is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;;; Code:
+
+(require 'quail)
+(require 'viet-util)
+
+;; `viet-viqr-alist' is an alist of Vietnamese characters vs
+;; corresponding VIQR strings.  We create Quail map which maps VIQR
+;; strings to corresponding Vietnamese characters.
+
+(defmacro viet-quail-define-rules ()
+  (cons 'quail-define-rules
+	(let ((l viet-viqr-alist)
+	      rules)
+	  (while l
+	    (setq rules (cons (list (cdr (car l)) (car (car l))) rules))
+	    (setq l (cdr l)))
+	  rules)))
+
+(quail-define-package
+ "vietnamese-viqr" "Vietnamese" "VQ" t
+ "Vietnamese input method with VIQR mnemonic system
+
+    effect   | postfix | examples
+ ------------+---------+----------
+    breve    |    (    | a( -> ă
+  circumflex |    ^    | a^ -> â
+    horn     |    +    | o+ -> ơ
+ ------------+---------+----------
+    acute    |    '    | a' -> á
+    grave    |    `    | a` -> à
+  hook above |    ?    | a? -> ả
+    tilde    |    ~    | a~ -> ã
+   dot below |    .    | a. -> ạ
+ ------------+---------+----------
+    d bar    |   dd    | dd -> đ
+ ------------+---------+----------
+  no compose |    \\    | a\\. -> a.
+ ------------+---------+----------
+  combination|   (~    | a(~ -> ẵ
+" nil t t nil nil t nil nil nil nil t)
+
+
+(viet-quail-define-rules)
+
+;;; viqr.el ends here