lisp/language/lao.el

   1 ;;; lao.el --- support for Lao -*- coding: iso-2022-7bit; -*-
   2
   3 ;; Copyright (C) 1997 Electrotechnical Laboratory, JAPAN.
   4 ;; Licensed to the Free Software Foundation.
   5 ;; Copyright (C) 2001 Free Software Foundation, Inc.
   6
   7 ;; Keywords: multilingual, Lao
   8
   9 ;; This file is part of GNU Emacs.
  10
  11 ;; GNU Emacs is free software; you can redistribute it and/or modify
  12 ;; it under the terms of the GNU General Public License as published by
  13 ;; the Free Software Foundation; either version 2, or (at your option)
  14 ;; any later version.
  15
  16 ;; GNU Emacs is distributed in the hope that it will be useful,
  17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 ;; GNU General Public License for more details.
  20
  21 ;; You should have received a copy of the GNU General Public License
  22 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  23 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  24 ;; Boston, MA 02111-1307, USA.
  25
  26 ;;; Commentary:
  27
  28 ;;; Code:
  29
  30 (make-coding-system
  31  'lao 2 ?L
  32  "8-bit encoding for ASCII (MSB=0) and LAO (MSB=1)."
  33  '(ascii lao nil nil
  34    nil nil)
  35  '((safe-charsets ascii lao)
  36    (post-read-conversion . lao-post-read-conversion)))
  37
  38 (set-language-info-alist
  39  "Lao" '((charset lao)
  40          (coding-system lao)
  41          (coding-priority lao)
  42          (input-method . "lao")
  43          (nonascii-translation . lao)
  44          (unibyte-display . lao)
  45          (features lao-util)
  46          (documentation . t)))
  47
  48 (aset use-default-ascent ?\e(1;\e(B t)
  49 (aset use-default-ascent ?\e$,1D;\e(B t)
  50 (aset use-default-ascent ?\e(1=\e(B t)
  51 (aset use-default-ascent ?\e$,1D=\e(B t)
  52 (aset use-default-ascent ?\e(1?\e(B t)
  53 (aset use-default-ascent ?\e$,1D?\e(B t)
  54 (aset use-default-ascent ?\e(1B\e(B t)
  55 (aset use-default-ascent ?\e$,1DB\e(B t)
  56 (aset ignore-relative-composition ?\e(1\\e(B t)
  57 (aset ignore-relative-composition ?\e$,1D\\e(B t)
  58
  59 ;; Register a function to compose Lao characters.
  60 (let ((patterns '(("\\c0\\c9?\\(\\(\\c2\\|\\c3\\)\\c4?\\|\\c4\\)?"
  61          . lao-composition-function))))
  62   (aset composition-function-table (make-char 'lao) patterns)
  63   (dotimes (i (1+ (- #xeff #xe80)))
  64     (aset composition-function-table (decode-char 'ucs (+ i #xe80)) patterns)))
  65
  66 (provide 'lao)
  67
  68 ;;; lao.el ends here