;;; greek.el --- Support for Greek

;; Copyright (C) 1995 Free Software Foundation, Inc.
;; Copyright (C) 1995 Electrotechnical Laboratory, JAPAN.
;; Copyright (C) 1997 MORIOKA Tomohiko

;; Keywords: multilingual, Greek

;; This file is part of XEmacs.

;; XEmacs 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.

;; XEmacs 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 XEmacs; see the file COPYING.  If not, write to the Free
;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
;; 02111-1307, USA.

;;; Commentary:

;; For Greek, the character set ISO8859-7 is supported.

;;; Code:

;; For syntax of Greek
(loop for c from 54 to 126
      do (modify-syntax-entry (make-char 'greek-iso8859-7 c) "w"))
(modify-syntax-entry (make-char 'greek-iso8859-7 32) "w") ; no-break space
(modify-syntax-entry ?,F7(B ".")
(modify-syntax-entry ?,F;(B ".")
(modify-syntax-entry ?,F=(B ".")


;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; GREEK
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

(define-language-environment 'greek
  "Greek"
  (lambda ()
    (set-coding-category-system 'iso-8-designate 'iso-8859-7)
    (set-coding-priority-list '(iso-8-designate iso-8-1))
    (set-default-buffer-file-coding-system 'iso-8859-7)
    (setq terminal-coding-system 'iso-8859-7)
    (setq keyboard-coding-system 'iso-8859-7)
    ;; (setq-default quail-current-package
    ;;               (assoc "greek" quail-package-alist))
    ))

;; (make-coding-system
;;  'iso-8859-7 2 ?7 "MIME ISO-8859-7"
;;  '((ascii t) (greek-iso8859-7 t) nil nil
;;    nil ascii-eol ascii-cntl nil nil nil nil))

(make-coding-system
 'iso-8859-7 'iso2022 "MIME ISO-8859-7"
 '(charset-g0 ascii
   charset-g1 greek-iso8859-7
   charset-g2 t
   charset-g3 t
   mnemonic "Grk"
   ))

(register-input-method
 "Greek" '("quail-greek" quail-use-package "quail/greek"))

(defun setup-greek-environment ()
  "Setup multilingual environment (MULE) for Greek."
  (interactive)
  (setq coding-category-iso-8-1 'iso-8859-7)

  (set-coding-priority
   '(coding-category-iso-7
     coding-category-iso-8-1))

  (setq-default buffer-file-coding-system 'iso-8859-7)
  (set-terminal-coding-system 'iso-8859-7)
  (set-keyboard-coding-system 'iso-8859-7)

  (setq default-input-method '("Greek" . "quail-greek"))
  )

(defun describe-greek-support ()
  "Describe how Emacs supports Greek."
  (interactive)
  (describe-language-support-internal "Greek"))

(set-language-info-alist
 "Greek" '((setup-function . setup-greek-environment)
	   (describe-function. describe-greek-support)
	   (charset . (greek-iso8859-7))
	   (coding-system . (iso-8859-7))
	   (sample-text . "Greek (,FGkk]mija(B)	,FCei\(B ,Fsar(B")
	   (documentation . nil)))

;;; greek.el ends here