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+;;; korea-util.el --- utilities for Korean
+
+;; Copyright (C) 1997 Free Software Foundation, Inc.
+
+;; Keywords: mule, multilingual, Korean
+
+;; 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 2, 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; see the file COPYING.  If not, write to the
+;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
+
+;;; Code:
+
+;;;###autoload
+(defvar default-korean-keyboard ""
+  "*The kind of Korean keyboard for Korean input method.
+\"\" for 2, \"3\" for 3.")
+
+;; functions useful for Korean text input
+
+(defun toggle-korean-input-method ()
+  "Turn on or off a Korean text input method for the current buffer."
+  (interactive)
+  (if current-input-method
+      (inactivate-input-method)
+    (activate-input-method
+     (concat "korean-hangul" default-korean-keyboard))))
+
+(defun quail-hangul-switch-symbol-ksc (&rest ignore)
+  "Swith to/from Korean symbol package."
+  (interactive "i")
+  (and current-input-method
+       (if (string-equal current-input-method "korean-symbol")
+           (activate-input-method (concat "korean-hangul"
+                                          default-korean-keyboard))
+         (activate-input-method "korean-symbol"))))
+
+(defun quail-hangul-switch-hanja (&rest ignore)
+  "Swith to/from Korean hanja package."
+  (interactive "i")
+  (and current-input-method
+       (if (string-match "korean-hanja" current-input-method)
+           (activate-input-method (concat "korean-hangul"
+                                          default-korean-keyboard))
+         (activate-input-method (concat "korean-hanja"
+                                        default-korean-keyboard)))))
+
+;; Information for exiting Korean environment.
+(defvar exit-korean-environment-data nil)
+
+;;;###autoload
+(defun setup-korean-environment ()
+  "Setup multilingual environment (MULE) for Korean."
+  (interactive)
+  (setup-english-environment)
+  (setq coding-category-iso-8-2 'korean-iso-8bit)
+
+  (set-coding-priority
+   '(coding-category-iso-7
+     coding-category-iso-8-2
+     coding-category-iso-8-1))
+
+  (set-default-coding-systems 'korean-iso-8bit)
+
+  (setq default-input-method "korean-hangul")
+
+  (let ((key-bindings '(([?\S- ] . toggle-korean-input-method)
+                        ([C-f9] . quail-hangul-switch-symbol-ksc)
+                        ([f9] . quail-hangul-switch-hanja))))
+    (while key-bindings
+      (let ((prev-binding (global-key-binding (car (car key-bindings)))))
+        (setq exit-korean-environment-data
+              (cons (cons (car (car key-bindings)) prev-binding)
+                    exit-korean-environment-data)))
+      (global-set-key (car (car key-bindings)) (cdr (car key-bindings)))
+      (setq key-bindings (cdr key-bindings)))))
+
+(defun exit-korean-environment ()
+  "Exit Korean language environment."
+  (while exit-korean-environment-data
+    (global-set-key (car (car exit-korean-environment-data))
+                    (cdr (car exit-korean-environment-data)))
+    (setq exit-korean-environment-data
+          (cdr exit-korean-environment-data))))
+
+;;
+(provide 'korea-util)
+
+;;; korean-util.el ends here