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402 lines
13 KiB
EmacsLisp
402 lines
13 KiB
EmacsLisp
;;; quail/thai.el --- Quail package for inputting Thai characters
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;; Copyright (C) 1995 Electrotechnical Laboratory, JAPAN.
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;; Licensed to the Free Software Foundation.
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;; Keywords: multilingual, input method, Thai
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 2, or (at your option)
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;; any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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;; Boston, MA 02111-1307, USA.
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;;; Code:
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(require 'quail)
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(require 'thai-util)
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(eval-and-compile
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(defvar thai-keyboard-mapping-alist
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'((kesmanee
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[0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ; control codes
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0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ; control codes
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0 "#" ",TF(B" ",Tr(B" ",Ts(B" ",Tt(B" "0,TQi1(B" ",T'(B" ; SPC .. '
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",Tv(B" ",Tw(B" ",Tu(B" ",Ty(B" ",TA(B" ",T"(B" ",Tc(B" ",T=(B" ; ( .. /
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",T((B" ",TE(B" "/" "_" ",T@(B" ",T6(B" ",TX(B" ",TV(B" ; 0 .. 7
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",T$(B" ",T5(B" ",T+(B" ",TG(B" ",T2(B" ",T*(B" ",TL(B" ",TF(B" ; 8 .. ?
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",Tq(B" ",TD(B" ",TZ(B" ",T)(B" ",T/(B" ",T.(B" ",Tb(B" ",T,(B" ; @ .. G
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",Tg(B" ",T3(B" ",Tk(B" ",TI(B" ",TH(B" ",Tn(B" ",Tl(B" ",TO(B" ; H .. O
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",T-(B" ",Tp(B" ",T1(B" ",T&(B" ",T8(B" ",Tj(B" ",TN(B" "\"" ; P .. W
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")" ",Tm(B" "(" ",T:(B" ",T_(B" ",TE(B" ",TY(B" ",Tx(B" ; X .. _
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",T#(B" ",T?(B" ",TT(B" ",Ta(B" ",T!(B" ",TS(B" ",T4(B" ",T`(B" ; ` .. g
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",Ti(B" ",TC(B" ",Th(B" ",TR(B" ",TJ(B" ",T7(B" ",TW(B" ",T9(B" ; h .. o
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",TB(B" ",Tf(B" ",T>(B" ",TK(B" ",TP(B" ",TU(B" ",TM(B" ",Td(B" ; p .. w
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",T;(B" ",TQ(B" ",T<(B" ",T0(B" ",To(B" "." ",T%(B" 0] ; x .. DEL
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nil nil)
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(pattachote
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[0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ; control codes
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0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ; control codes
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0 "+" ",T1(B" "/" "," "?" "_" ",T"(B" ; SPC .. '
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"(" ")" "." "%" ",TP(B" ",Tq(B" ",T((B" ",T>(B" ; ( .. /
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",Tp(B" "=" ",Tr(B" ",Ts(B" ",Tt(B" ",Tu(B" ",TY(B" ",Tw(B" ; 0 .. 7
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",Tx(B" ",Ty(B" ",T&(B" ",Td(B" ",T?(B" ",Tv(B" ",T2(B" ",TL(B" ; 8 .. ?
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"\"" ",Tk(B" ",TQ(B" ",T0(B" 0 ",Tf(B" ",T3(B" ",Tl(B" ; @ .. G
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",TW(B" ",T+(B" ",T<(B" ",T*(B" ",Tb(B" ",TN(B" ",TH(B" ",T6(B" ; H .. O
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",T2(B" ",Tj(B" ",T-(B" ",TS(B" ",TI(B" ",T=(B" ",T@(B" ",T8(B" ; P .. W
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",T.(B" ",TV(B" ",T.(B" ",Tc(B" ",TZ(B" ",T2(B" ",TX(B" "-" ; X .. _
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",T#(B" ",Ti(B" ",TT(B" ",TE(B" 0 ",TB(B" ",T!(B" ",TQ(B" ; ` .. g
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",TU(B" ",TA(B" ",TR(B" ",T9(B" ",T`(B" ",TJ(B" ",T$(B" ",TG(B" ; h .. o
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",Ta(B" ",Tg(B" ",TM(B" ",T'(B" ",TC(B" ",T4(B" ",TK(B" ",T7(B" ; p .. w
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",T;(B" ",Th(B" ",T:(B" ",TO(B" ",Tm(B" ",TF(B" ",T%(B" 0] ; x .. DEL
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nil nil)
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)
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"Alist of Thai keyboard types vs. corresponding mapping tables.
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Each element is a list of:
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KEYBOARD-TYPE, ASCII-THAI-TABLE, CONSONANT-MAP-TEMPLATE,
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and VOWEL-UPPER-LOWER-TEMPLATE.
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KEYBOARD-TYPE is a symbol, one of kesmanee or pattachote.
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ASCII-THAI-TABLE is a vector indexed by an ASCII key code
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and the value is the one-char string of Thai character
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assigned at the location of ASCII key on the specific Thai keyboard.
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The value is 0 if no Thai character is assigned at the location.
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CONSONANT-MAP-TEMPLATE is a template of a cdr part of a Quail map when
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a consonant is entered.
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VOWEL-UPPER-LOWER-TEMPLATE is a template of a cdr part of a Quail map
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when a vowel upper or a vowel lower is entered.")
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(defmacro thai-keyboard-info (keyboard-type)
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`(assq ,keyboard-type thai-keyboard-mapping-alist))
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)
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(defvar thai-current-keyboard-type nil
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"Thai Keyboard type which Quail is assuming currently.
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This variable is used in Quail internally only.")
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;; Template of a cdr part of a Quail map when a consonant is entered.
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(defvar thai-consonant-alist nil)
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;; Template of a cdr part of a Quail map when a vowel upper or a vowel
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;; lower is entered.
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(defvar thai-vowel-upper-lower-alist nil)
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;; Return a Quail map corresponding to KEY of length LEN.
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;; The car part of the map is a translation generated automatically.
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;; The cdr part of the map is a copy of ALIST.
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(defun thai-generate-quail-map (key len alist)
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(let ((str "")
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(idx 0))
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(while (< idx len)
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(setq str (concat str (aref (nth 1 (thai-keyboard-info
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thai-current-keyboard-type))
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(aref key idx)))
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idx (1+ idx)))
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(cons (string-to-char (compose-string str)) (copy-alist alist))))
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;; Return a Quail map corresponding to KEY of length LEN when Thai
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;; tone mark is entered.
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(defun thai-tone-input (key len)
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(thai-generate-quail-map key len nil))
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;; Return a Quail map corresponding to KEY of length LEN when Thai
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;; vowel upper or vowel lower is entered.
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(defun thai-vowel-upper-lower-input (key len)
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(thai-generate-quail-map
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key len
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(nth 3 (thai-keyboard-info thai-current-keyboard-type))))
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;; Define RULES in Quail map. In addition, create
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;; `thai-consonant-alist-KEYBOARD-TYPE' and
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;; `thai-vowel-upper-lower-alist-KEYBOARD-TYPE'.
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;; The general composing rules are as follows:
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;;
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;; T
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;; V T V T
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;; CV -> C, CT -> C, CVT -> C, Cv -> C, CvT -> C
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;; v v
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;;
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;; where C: consonant, V: vowel upper, v: vowel lower, T: tone mark.
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(defmacro thai-quail-define-rules (keyboard-type &rest rules)
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(let ((l rules)
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consonant-alist
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vowel-upper-lower-alist
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rule trans ch c-set)
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(while l
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(setq rule (car l))
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(setq trans (nth 1 rule))
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(if (consp trans)
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(setq trans (car trans)))
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(setq c-set (char-category-set (string-to-char trans)))
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(cond ((or (aref c-set ?2)
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(aref c-set ?3))
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(setq consonant-alist
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(cons (cons (string-to-char (car rule))
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'thai-vowel-upper-lower-input)
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consonant-alist)))
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((aref c-set ?4)
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(setq consonant-alist
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(cons (cons (string-to-char (car rule))
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'thai-tone-input)
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consonant-alist)
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vowel-upper-lower-alist
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(cons (cons (string-to-char (car rule))
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'thai-tone-input)
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vowel-upper-lower-alist))))
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(setq l (cdr l)))
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`(progn
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(quail-define-rules ,@rules)
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(setcar (nthcdr 2 (thai-keyboard-info ,keyboard-type))
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',consonant-alist)
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(setcar (nthcdr 3 (thai-keyboard-info ,keyboard-type))
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',vowel-upper-lower-alist))))
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;; Return an alist which can be a cdr part of a Quail map
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;; corresponding to the current key when Thai consonant is entered.
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(defun thai-consonant-input (key len)
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(let ((quail-package-name (quail-name)))
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(setq thai-current-keyboard-type
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(cond ((string= quail-package-name "thai-pattachote") 'pattachote)
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((string= quail-package-name "thai-kesmanee") 'kesmanee)
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(t (error "Invalid Quail package %s" quail-package-name))))
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(copy-alist (nth 2 (thai-keyboard-info thai-current-keyboard-type)))))
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;; Thai Kesmanee keyboard support.
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(quail-define-package
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"thai-kesmanee" "Thai" ",T!!(B>" t
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"Thai Kesmanee input method with TIS620 keyboard layout
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The difference from the ordinal Thai keyboard:
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',T_(B' and ',To(B' are assigned to '\\' and '|' respectively,
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',T#(B' and ',T%(B' are assigned to '`' and '~' respectively,
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Don't know where to assign characters ',Tz(B' and ',T{(B'."
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nil t t nil t)
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(thai-quail-define-rules 'kesmanee
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("1" (",TE(B" . thai-consonant-input))
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("!" "#")
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("2" "/")
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("@" ",Tq(B")
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("3" "_")
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("#" ",Tr(B")
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("4" (",T@(B" . thai-consonant-input))
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("$" ",Ts(B")
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("5" (",T6(B" . thai-consonant-input))
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("%" ",Tt(B")
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("6" ",TX(B")
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("^" ",TY(B")
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("7" ",TV(B")
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("&" "0,TQi1(B")
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("8" (",T$(B" . thai-consonant-input))
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("*" ",Tu(B")
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("9" (",T5(B" . thai-consonant-input))
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("\(" ",Tv(B")
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("0" (",T((B" . thai-consonant-input))
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("\)" ",Tw(B")
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("-" (",T"(B" . thai-consonant-input))
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("_" ",Tx(B")
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("=" (",T*(B" . thai-consonant-input))
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("+" ",Ty(B")
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("\\" ",T_(B")
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("|" ",To(B")
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("`" (",T#(B" . thai-consonant-input))
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("~" (",T%(B" . thai-consonant-input))
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("q" ",Tf(B")
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("Q" ",Tp(B")
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("w" ",Td(B")
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("W" "\"")
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("e" ",TS(B")
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("E" (",T.(B" . thai-consonant-input))
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("r" (",T>(B" . thai-consonant-input))
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("R" (",T1(B" . thai-consonant-input))
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("t" ",TP(B")
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("T" (",T8(B" . thai-consonant-input))
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("y" ",TQ(B")
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("Y" ",Tm(B")
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("u" ",TU(B")
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("U" ",Tj(B")
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("i" (",TC(B" . thai-consonant-input))
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("I" (",T3(B" . thai-consonant-input))
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("o" (",T9(B" . thai-consonant-input))
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("O" ",TO(B")
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("p" (",TB(B" . thai-consonant-input))
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("P" (",T-(B" . thai-consonant-input))
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("\[" (",T:(B" . thai-consonant-input))
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("{" (",T0(B" . thai-consonant-input))
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("\]" (",TE(B" . thai-consonant-input))
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("}" ",")
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("a" (",T?(B" . thai-consonant-input))
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("A" ",TD(B")
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("s" (",TK(B" . thai-consonant-input))
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("S" (",T&(B" . thai-consonant-input))
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("d" (",T!(B" . thai-consonant-input))
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("D" (",T/(B" . thai-consonant-input))
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("f" (",T4(B" . thai-consonant-input))
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("F" ",Tb(B")
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("g" ",T`(B")
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("G" (",T,(B" . thai-consonant-input))
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("h" ",Ti(B")
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("H" ",Tg(B")
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("j" ",Th(B")
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("J" ",Tk(B")
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("k" ",TR(B")
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("K" (",TI(B" . thai-consonant-input))
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("l" (",TJ(B" . thai-consonant-input))
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("L" (",TH(B" . thai-consonant-input))
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("\;" (",TG(B" . thai-consonant-input))
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(":" (",T+(B" . thai-consonant-input))
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("'" (",T'(B" . thai-consonant-input))
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("\"" ".")
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("z" (",T<(B" . thai-consonant-input))
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("Z" "(")
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("x" (",T;(B" . thai-consonant-input))
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("X" ")")
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("c" ",Ta(B")
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("C" (",T)(B" . thai-consonant-input))
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("v" (",TM(B" . thai-consonant-input))
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("V" (",TN(B" . thai-consonant-input))
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("b" ",TT(B")
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("B" ",TZ(B")
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("n" ",TW(B")
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("N" ",Tl(B")
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("m" (",T7(B" . thai-consonant-input))
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("M" ",Tn(B")
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("," (",TA(B" . thai-consonant-input))
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("<" (",T2(B" . thai-consonant-input))
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("." ",Tc(B")
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(">" (",TL(B" . thai-consonant-input))
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("/" (",T=(B" . thai-consonant-input))
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("?" ",TF(B")
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)
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;; Thai Pattachote keyboard support.
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(quail-define-package
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"thai-pattachote" "Thai" ",T!;(B>" t
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"Thai Pattachote input method with TIS620 keyboard layout"
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nil t t nil t)
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(thai-quail-define-rules 'pattachote
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("1" "=")
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("!" "+")
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("2" ",Tr(B")
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("@" "\"")
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("3" ",Ts(B")
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("#" "/")
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("4" ",Tt(B")
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("$" ",")
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("5" ",Tu(B")
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("%" "?")
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("6" ",TY(B")
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("^" ",TX(B")
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("7" ",Tw(B")
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("&" "_")
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("8" ",Tx(B")
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("*" ".")
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("9" ",Ty(B")
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("(" "(")
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("0" ",Tp(B")
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(")" ")")
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("-" ",Tq(B")
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("_" "-")
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("=" ",Tv(B")
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("+" "%")
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("\\" ",TZ(B")
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("|" ",Tm(B")
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("`" (",T#(B" . thai-consonant-input))
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("~" (",T%(B" . thai-consonant-input))
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("q" ",Tg(B")
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("Q" ",Tj(B")
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("w" (",T5(B" . thai-consonant-input))
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("W" ",TD(B")
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("e" (",TB(B" . thai-consonant-input))
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("E" ",Tf(B")
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("r" (",TM(B" . thai-consonant-input))
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("R" (",T-(B" . thai-consonant-input))
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("t" (",TC(B" . thai-consonant-input))
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("T" (",TI(B" . thai-consonant-input))
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("y" ",Th(B")
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("Y" ",TV(B")
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("u" (",T4(B" . thai-consonant-input))
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("U" (",T=(B" . thai-consonant-input))
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("i" (",TA(B" . thai-consonant-input))
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("I" (",T+(B" . thai-consonant-input))
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("o" (",TG(B" . thai-consonant-input))
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("O" (",T6(B" . thai-consonant-input))
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("p" ",Ta(B")
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("P" (",T2(B" . thai-consonant-input))
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("\[" ",Tc(B")
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("{" ",TO(B")
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("\]" (",T2(B" . thai-consonant-input))
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("}" ",TF(B")
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("a" ",Ti(B")
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("A" ",Tk(B")
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("s" (",T7(B" . thai-consonant-input))
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("S" (",T8(B" . thai-consonant-input))
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("d" (",T'(B" . thai-consonant-input))
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("D" ",TS(B")
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("f" (",T!(B" . thai-consonant-input))
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("F" (",T3(B" . thai-consonant-input))
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("g" ",TQ(B")
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("G" ",Tl(B")
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("h" ",TU(B")
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("H" ",TW(B")
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("j" ",TR(B")
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("J" (",T<(B" . thai-consonant-input))
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("k" (",T9(B" . thai-consonant-input))
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("K" (",T*(B" . thai-consonant-input))
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("l" ",T`(B")
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("L" ",Tb(B")
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(";" ",Td(B")
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(":" (",T&(B" . thai-consonant-input))
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("'" (",T"(B" . thai-consonant-input))
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("\"" (",T1(B" . thai-consonant-input))
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("z" (",T:(B" . thai-consonant-input))
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("Z" (",T.(B" . thai-consonant-input))
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("x" (",T;(B" . thai-consonant-input))
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("X" (",T.(B" . thai-consonant-input))
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("c" (",TE(B" . thai-consonant-input))
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("C" (",T0(B" . thai-consonant-input))
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("v" (",TK(B" . thai-consonant-input))
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("V" (",T@(B" . thai-consonant-input))
|
||
("b" ",TT(B")
|
||
("B" ",TQ(B")
|
||
("n" (",T$(B" . thai-consonant-input))
|
||
("N" (",TH(B" . thai-consonant-input))
|
||
("m" (",TJ(B" . thai-consonant-input))
|
||
("M" (",TN(B" . thai-consonant-input))
|
||
("," ",TP(B")
|
||
("<" (",T?(B" . thai-consonant-input))
|
||
("." (",T((B" . thai-consonant-input))
|
||
(">" (",T2(B" . thai-consonant-input))
|
||
("/" (",T>(B" . thai-consonant-input))
|
||
("?" (",TL(B" . thai-consonant-input))
|
||
)
|
||
|
||
;;; quail/thai.el ends here
|