1 ;;; thai-util.el --- utilities for Thai -*- coding: iso-2022-7bit; -*-
3 ;; Copyright (C) 1995, 1997, 1998, 1999, 2000, 2001, 2005
4 ;; National Institute of Advanced Industrial Science and Technology (AIST)
5 ;; Registration Number H14PRO021
6 ;; Copyright (C) 2000, 2001 Free Software Foundation, Inc.
8 ;; Keywords: mule, multilingual, thai
10 ;; This file is part of GNU Emacs.
12 ;; GNU Emacs is free software; you can redistribute it and/or modify
13 ;; it under the terms of the GNU General Public License as published by
14 ;; the Free Software Foundation; either version 2, or (at your option)
17 ;; GNU Emacs is distributed in the hope that it will be useful,
18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 ;; GNU General Public License for more details.
22 ;; You should have received a copy of the GNU General Public License
23 ;; along with GNU Emacs; see the file COPYING. If not, write to the
24 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
25 ;; Boston, MA 02110-1301, USA.
31 (defvar thai-auto-composition-mode
)
33 ;; Setting information of Thai characters.
35 (defconst thai-category-table
(make-category-table))
36 (define-category ?c
"Thai consonant" thai-category-table
)
37 (define-category ?v
"Thai upper/lower vowel" thai-category-table
)
38 (define-category ?t
"Thai tone mark" thai-category-table
)
39 (define-category ?u
"Thai tone mark and upper sign" thai-category-table
)
40 (define-category ?I
"THAI CHARACTER SARA I" thai-category-table
)
41 (define-category ?U
"THAI CHARACTER THANTHAKHAT" thai-category-table
)
43 ;; The general composing rules are as follows:
47 ;; CV -> C, CU -> C, CVT -> C, Cv -> C, CvU -> C
50 ;; where C: consonant, V: vowel upper, v: vowel lower,
51 ;; T: tone mark, U: tone mark and upper sign.
52 ;; Special rule: The sign `\e,Tl\e(B' can be put on the vowel `\e,TT\e(B'.
55 (defvar thai-composition-pattern
56 "\\cc\\(\\cu\\|\\cI\\cU\\|\\cv\\ct?\\)\\|\\cv\\ct\\|\\cI\\cU"
57 "Regular expression matching a Thai composite sequence.")
59 (defun thai-self-insert-command (&optional n
)
60 "Insert the Thai character you type.
61 The character will be composed with the surrounding Thai character
66 (self-insert-command n
)
67 (or thai-auto-composition-mode
68 (thai-auto-composition (1- (point)) (point) 0))))
70 (let ((l '((?
\e,T
!\e(B consonant
"LETTER KO KAI") ; 0xA1
71 (?
\e,T
"\e(B consonant "LETTER KHO KHAI
") ; 0xA2
72 (?\e,T#\e(B consonant "LETTER KHO KHUAT
") ; 0xA3
73 (?\e,T$\e(B consonant "LETTER KHO KHWAI
") ; 0xA4
74 (?\e,T%\e(B consonant "LETTER KHO KHON
") ; 0xA5
75 (?\e,T&\e(B consonant "LETTER KHO RAKHANG
") ; 0xA6
76 (?\e,T'\e(B consonant "LETTER NGO NGU
") ; 0xA7
77 (?\e,T(\e(B consonant "LETTER CHO CHAN
") ; 0xA8
78 (?\e,T)\e(B consonant "LETTER CHO CHING
") ; 0xA9
79 (?\e,T*\e(B consonant "LETTER CHO CHANG
") ; 0xAA
80 (?\e,T+\e(B consonant "LETTER SO SO
") ; 0xAB
81 (?\e,T,\e(B consonant "LETTER CHO CHOE
") ; 0xAC
82 (?\e,T-\e(B consonant "LETTER YO YING
") ; 0xAD
83 (?\e,T.\e(B consonant "LETTER DO CHADA
") ; 0xAE
84 (?\e,T/\e(B consonant "LETTER TO PATAK
") ; 0xAF
85 (?\e,T0\e(B consonant "LETTER THO THAN
") ; 0xB0
86 (?\e,T1\e(B consonant "LETTER THO NANGMONTHO
") ; 0xB1
87 (?\e,T2\e(B consonant "LETTER THO PHUTHAO
") ; 0xB2
88 (?\e,T3\e(B consonant "LETTER NO NEN
") ; 0xB3
89 (?\e,T4\e(B consonant "LETTER DO DEK
") ; 0xB4
90 (?\e,T5\e(B consonant "LETTER TO TAO
") ; 0xB5
91 (?\e,T6\e(B consonant "LETTER THO THUNG
") ; 0xB6
92 (?\e,T7\e(B consonant "LETTER THO THAHAN
") ; 0xB7
93 (?\e,T8\e(B consonant "LETTER THO THONG
") ; 0xB8
94 (?\e,T9\e(B consonant "LETTER NO NU
") ; 0xB9
95 (?\e,T:\e(B consonant "LETTER BO BAIMAI
") ; 0xBA
96 (?\e,T;\e(B consonant "LETTER PO PLA
") ; 0xBB
97 (?\e,T<\e(B consonant "LETTER PHO PHUNG
") ; 0xBC
98 (?\e,T=\e(B consonant "LETTER FO FA
") ; 0xBD
99 (?\e,T>\e(B consonant "LETTER PHO PHAN
") ; 0xBE
100 (?\e,T?\e(B consonant "LETTER FO FAN
") ; 0xBF
101 (?\e,T@\e(B consonant "LETTER PHO SAMPHAO
") ; 0xC0
102 (?\e,TA\e(B consonant "LETTER MO MA
") ; 0xC1
103 (?\e,TB\e(B consonant "LETTER YO YAK
") ; 0xC2
104 (?\e,TC\e(B consonant "LETTER RO RUA
") ; 0xC3
105 (?\e,TD\e(B vowel-base "LETTER RU
(Pali vowel letter
)") ; 0xC4
106 (?\e,TE\e(B consonant "LETTER LO LING
") ; 0xC5
107 (?\e,TF\e(B vowel-base "LETTER LU
(Pali vowel letter
)") ; 0xC6
108 (?\e,TG\e(B consonant "LETTER WO WAEN
") ; 0xC7
109 (?\e,TH\e(B consonant "LETTER SO SALA
") ; 0xC8
110 (?\e,TI\e(B consonant "LETTER SO RUSI
") ; 0xC9
111 (?\e,TJ\e(B consonant "LETTER SO SUA
") ; 0xCA
112 (?\e,TK\e(B consonant "LETTER HO HIP
") ; 0xCB
113 (?\e,TL\e(B consonant "LETTER LO CHULA
") ; 0xCC
114 (?\e,TM\e(B consonant "LETTER O ANG
") ; 0xCD
115 (?\e,TN\e(B consonant "LETTER HO NOK HUK
") ; 0xCE
116 (?\e,TO\e(B special "PAI YAN NOI
(abbreviation)") ; 0xCF
117 (?\e,TP\e(B vowel-base "VOWEL SIGN SARA A
") ; 0xD0
118 (?\e,TQ\e(B vowel-upper "VOWEL SIGN MAI HAN-AKAT N
/S-T
") ; 0xD1
119 (?\e,TR\e(B vowel-base "VOWEL SIGN SARA AA
") ; 0xD2
120 (?\e,TS\e(B vowel-base "VOWEL SIGN SARA AM
") ; 0xD3
121 (?\e,TT\e(B vowel-upper "VOWEL SIGN SARA I N
/S-T
") ; 0xD4
122 (?\e,TU\e(B vowel-upper "VOWEL SIGN SARA II N
/S-T
") ; 0xD5
123 (?\e,TV\e(B vowel-upper "VOWEL SIGN SARA UE N
/S-T
") ; 0xD6
124 (?\e,TW\e(B vowel-upper "VOWEL SIGN SARA UEE N
/S-T
") ; 0xD7
125 (?\e,TX\e(B vowel-lower "VOWEL SIGN SARA U N
/S-B
") ; 0xD8
126 (?\e,TY\e(B vowel-lower "VOWEL SIGN SARA UU N
/S-B
") ; 0xD9
127 (?\e,TZ\e(B vowel-lower "VOWEL SIGN PHINTHU N
/S-B
(Pali virama
)") ; 0xDA
128 (?\e,T[\e(B invalid nil) ; 0xDA
129 (?\e,T\\e(B invalid nil) ; 0xDC
130 (?\e,T]\e(B invalid nil) ; 0xDC
131 (?\e,T^\e(B invalid nil) ; 0xDC
132 (?\e,T_\e(B special "BAHT SIGN
(currency symbol
)") ; 0xDF
133 (?\e,T`\e(B vowel-base "VOWEL SIGN SARA E
") ; 0xE0
134 (?\e,Ta\e(B vowel-base "VOWEL SIGN SARA AE
") ; 0xE1
135 (?\e,Tb\e(B vowel-base "VOWEL SIGN SARA O
") ; 0xE2
136 (?\e,Tc\e(B vowel-base "VOWEL SIGN SARA MAI MUAN
") ; 0xE3
137 (?\e,Td\e(B vowel-base "VOWEL SIGN SARA MAI MALAI
") ; 0xE4
138 (?\e,Te\e(B vowel-base "LAK KHANG YAO
") ; 0xE5
139 (?\e,Tf\e(B special "MAI YAMOK
(repetion)") ; 0xE6
140 (?\e,Tg\e(B sign-upper "VOWEL SIGN MAI TAI KHU N
/S-T
") ; 0xE7
141 (?\e,Th\e(B tone "TONE MAI EK N
/S-T
") ; 0xE8
142 (?\e,Ti\e(B tone "TONE MAI THO N
/S-T
") ; 0xE9
143 (?\e,Tj\e(B tone "TONE MAI TRI N
/S-T
") ; 0xEA
144 (?\e,Tk\e(B tone "TONE MAI CHATTAWA N
/S-T
") ; 0xEB
145 (?\e,Tl\e(B sign-upper "THANTHAKHAT N
/S-T
(cancellation mark
)") ; 0xEC
146 (?\e,Tm\e(B sign-upper "NIKKHAHIT N
/S-T
(final nasal
)") ; 0xED
147 (?\e,Tn\e(B sign-upper "YAMAKKAN N
/S-T
") ; 0xEE
148 (?\e,To\e(B special "FONRMAN
") ; 0xEF
149 (?\e,Tp\e(B special "DIGIT ZERO
") ; 0xF0
150 (?\e,Tq\e(B special "DIGIT ONE
") ; 0xF1
151 (?\e,Tr\e(B special "DIGIT TWO
") ; 0xF2
152 (?\e,Ts\e(B special "DIGIT THREE
") ; 0xF3
153 (?\e,Tt\e(B special "DIGIT FOUR
") ; 0xF4
154 (?\e,Tu\e(B special "DIGIT FIVE
") ; 0xF5
155 (?\e,Tv\e(B special "DIGIT SIX
") ; 0xF6
156 (?\e,Tw\e(B special "DIGIT SEVEN
") ; 0xF7
157 (?\e,Tx\e(B special "DIGIT EIGHT
") ; 0xF8
158 (?\e,Ty\e(B special "DIGIT NINE
") ; 0xF9
159 (?\e,Tz\e(B special "ANGKHANKHU
(ellipsis)") ; 0xFA
160 (?\e,T{\e(B special "KHOMUT
(beginning of religious texts
)") ; 0xFB
161 (?\e,T|\e(B invalid nil) ; 0xFC
162 (?\e,T}\e(B invalid nil) ; 0xFD
163 (?\e,T~\e(B invalid nil) ; 0xFE
165 ;; Unicode equivalents
166 (?\e$,1Ba\e(B consonant "LETTER KO KAI
")
167 (?\e$,1Bb\e(B consonant "LETTER KHO KHAI
")
168 (?\e$,1Bc\e(B consonant "LETTER KHO KHUAT
")
169 (?\e$,1Bd\e(B consonant "LETTER KHO KHWAI
")
170 (?\e$,1Be\e(B consonant "LETTER KHO KHON
")
171 (?\e$,1Bf\e(B consonant "LETTER KHO RAKHANG
")
172 (?\e$,1Bg\e(B consonant "LETTER NGO NGU
")
173 (?\e$,1Bh\e(B consonant "LETTER CHO CHAN
")
174 (?\e$,1Bi\e(B consonant "LETTER CHO CHING
")
175 (?\e$,1Bj\e(B consonant "LETTER CHO CHANG
")
176 (?\e$,1Bk\e(B consonant "LETTER SO SO
")
177 (?\e$,1Bl\e(B consonant "LETTER CHO CHOE
")
178 (?\e$,1Bm\e(B consonant "LETTER YO YING
")
179 (?\e$,1Bn\e(B consonant "LETTER DO CHADA
")
180 (?\e$,1Bo\e(B consonant "LETTER TO PATAK
")
181 (?\e$,1Bp\e(B consonant "LETTER THO THAN
")
182 (?\e$,1Bq\e(B consonant "LETTER THO NANGMONTHO
")
183 (?\e$,1Br\e(B consonant "LETTER THO PHUTHAO
")
184 (?\e$,1Bs\e(B consonant "LETTER NO NEN
")
185 (?\e$,1Bt\e(B consonant "LETTER DO DEK
")
186 (?\e$,1Bu\e(B consonant "LETTER TO TAO
")
187 (?\e$,1Bv\e(B consonant "LETTER THO THUNG
")
188 (?\e$,1Bw\e(B consonant "LETTER THO THAHAN
")
189 (?\e$,1Bx\e(B consonant "LETTER THO THONG
")
190 (?\e$,1By\e(B consonant "LETTER NO NU
")
191 (?\e$,1Bz\e(B consonant "LETTER BO BAIMAI
")
192 (?\e$,1B{\e(B consonant "LETTER PO PLA
")
193 (?\e$,1B|\e(B consonant "LETTER PHO PHUNG
")
194 (?\e$,1B}\e(B consonant "LETTER FO FA
")
195 (?\e$,1B~\e(B consonant "LETTER PHO PHAN
")
196 (?\e$,1B\x7f\e(B consonant "LETTER FO FAN
")
197 (?\e$,1C \e(B consonant "LETTER PHO SAMPHAO
")
198 (?\e$,1C!\e(B consonant "LETTER MO MA
")
199 (?\e$,1C"\e(B consonant
"LETTER YO YAK")
200 (?
\e$
,1C
#\e(B consonant
"LETTER RO RUA")
201 (?
\e$
,1C$
\e(B vowel-base
"LETTER RU (Pali vowel letter)")
202 (?
\e$
,1C%
\e(B consonant
"LETTER LO LING")
203 (?
\e$
,1C
&\e(B vowel-base
"LETTER LU (Pali vowel letter)")
204 (?
\e$
,1C
'\e(B consonant
"LETTER WO WAEN")
205 (?
\e$
,1C
(\e(B consonant
"LETTER SO SALA")
206 (?
\e$
,1C
)\e(B consonant
"LETTER SO RUSI")
207 (?
\e$
,1C
*\e(B consonant
"LETTER SO SUA")
208 (?
\e$
,1C
+\e(B consonant
"LETTER HO HIP")
209 (?
\e$
,1C
,\e(B consonant
"LETTER LO CHULA")
210 (?
\e$
,1C-
\e(B consonant
"LETTER O ANG")
211 (?
\e$
,1C.
\e(B consonant
"LETTER HO NOK HUK")
212 (?
\e$
,1C
/\e(B special
"PAI YAN NOI (abbreviation)")
213 (?
\e$
,1C0
\e(B vowel-base
"VOWEL SIGN SARA A")
214 (?
\e$
,1C1
\e(B vowel-upper
"VOWEL SIGN MAI HAN-AKAT N/S-T")
215 (?
\e$
,1C2
\e(B vowel-base
"VOWEL SIGN SARA AA")
216 (?
\e$
,1C3
\e(B vowel-base
"VOWEL SIGN SARA AM")
217 (?
\e$
,1C4
\e(B vowel-upper
"VOWEL SIGN SARA I N/S-T")
218 (?
\e$
,1C5
\e(B vowel-upper
"VOWEL SIGN SARA II N/S-T")
219 (?
\e$
,1C6
\e(B vowel-upper
"VOWEL SIGN SARA UE N/S-T")
220 (?
\e$
,1C7
\e(B vowel-upper
"VOWEL SIGN SARA UEE N/S-T")
221 (?
\e$
,1C8
\e(B vowel-lower
"VOWEL SIGN SARA U N/S-B")
222 (?
\e$
,1C9
\e(B vowel-lower
"VOWEL SIGN SARA UU N/S-B")
223 (?
\e$
,1C
:\e(B vowel-lower
"VOWEL SIGN PHINTHU N/S-B (Pali virama)")
224 (?
\e$
,1C?
\e(B special
"BAHT SIGN (currency symbol)")
225 (?
\e$
,1C
@\e(B vowel-base
"VOWEL SIGN SARA E")
226 (?
\e$
,1CA
\e(B vowel-base
"VOWEL SIGN SARA AE")
227 (?
\e$
,1CB
\e(B vowel-base
"VOWEL SIGN SARA O")
228 (?
\e$
,1CC
\e(B vowel-base
"VOWEL SIGN SARA MAI MUAN")
229 (?
\e$
,1CD
\e(B vowel-base
"VOWEL SIGN SARA MAI MALAI")
230 (?
\e$
,1CE
\e(B vowel-base
"LAK KHANG YAO")
231 (?
\e$
,1CF
\e(B special
"MAI YAMOK (repetion)")
232 (?
\e$
,1CG
\e(B sign-upper
"VOWEL SIGN MAI TAI KHU N/S-T")
233 (?
\e$
,1CH
\e(B tone
"TONE MAI EK N/S-T")
234 (?
\e$
,1CI
\e(B tone
"TONE MAI THO N/S-T")
235 (?
\e$
,1CJ
\e(B tone
"TONE MAI TRI N/S-T")
236 (?
\e$
,1CK
\e(B tone
"TONE MAI CHATTAWA N/S-T")
237 (?
\e$
,1CL
\e(B sign-upper
"THANTHAKHAT N/S-T (cancellation mark)")
238 (?
\e$
,1CM
\e(B sign-upper
"NIKKHAHIT N/S-T (final nasal)")
239 (?
\e$
,1CN
\e(B sign-upper
"YAMAKKAN N/S-T")
240 (?
\e$
,1CO
\e(B special
"FONRMAN")
241 (?
\e$
,1CP
\e(B special
"DIGIT ZERO")
242 (?
\e$
,1CQ
\e(B special
"DIGIT ONE")
243 (?
\e$
,1CR
\e(B special
"DIGIT TWO")
244 (?
\e$
,1CS
\e(B special
"DIGIT THREE")
245 (?
\e$
,1CT
\e(B special
"DIGIT FOUR")
246 (?
\e$
,1CU
\e(B special
"DIGIT FIVE")
247 (?
\e$
,1CV
\e(B special
"DIGIT SIX")
248 (?
\e$
,1CW
\e(B special
"DIGIT SEVEN")
249 (?
\e$
,1CX
\e(B special
"DIGIT EIGHT")
250 (?
\e$
,1CY
\e(B special
"DIGIT NINE")
251 (?
\e$
,1CZ
\e(B special
"ANGKHANKHU (ellipsis)")
252 (?
\e$
,1C
[\e(B special
"KHOMUT (beginning of religious texts)")
256 (setq elm
(car l
) l
(cdr l
))
257 (let ((char (car elm
))
259 (put-char-code-property char
'phonetic-type ptype
)
260 (cond ((eq ptype
'consonant
)
261 (modify-category-entry char ?c thai-category-table
)
262 (global-set-key (vector char
) 'thai-self-insert-command
))
263 ((memq ptype
'(vowel-upper vowel-lower
))
264 (modify-category-entry char ?v thai-category-table
)
265 (if (or (= char ?
\e,TT
\e(B) (= char ?
\e$
,1C4
\e(B))
266 ;; Give category `I' to "SARA I".
267 (modify-category-entry char ?I thai-category-table
))
268 (global-set-key (vector char
) 'thai-self-insert-command
))
270 (modify-category-entry char ?t thai-category-table
)
271 (modify-category-entry char ?u thai-category-table
)
272 (global-set-key (vector char
) 'thai-self-insert-command
))
273 ((eq ptype
'sign-upper
)
274 (modify-category-entry char ?u thai-category-table
)
275 (if (or (= char ?
\e,Tl
\e(B) (= char ?
\e$
,1CL
\e(B))
276 ;; Give category `U' to "THANTHAKHAT".
277 (modify-category-entry char ?U thai-category-table
))
278 (global-set-key (vector char
) 'thai-self-insert-command
)))
279 (put-char-code-property char
'name
(nth 2 elm
)))))
281 (defun thai-compose-syllable (beg end
&optional category-set string
)
284 (char-category-set (if string
(aref string beg
) (char-after beg
)))))
285 (if (aref category-set ?c
)
286 ;; Starting with a consonant. We do relative composition.
288 (compose-string string beg end
)
289 (compose-region beg end
))
290 ;; Vowel tone sequence.
292 (compose-string string beg end
(list (aref string beg
) '(Bc . Bc
)
293 (aref string
(1+ beg
))))
294 (compose-region beg end
(list (char-after beg
) '(Bc . Bc
)
295 (char-after (1+ beg
))))))
299 (defun thai-compose-region (beg end
)
300 "Compose Thai characters in the region.
301 When called from a program, expects two arguments,
302 positions (integers or markers) specifying the region."
306 (narrow-to-region beg end
)
307 (goto-char (point-min))
308 (with-category-table thai-category-table
309 (while (re-search-forward thai-composition-pattern nil t
)
310 (setq beg
(match-beginning 0) end
(match-end 0))
311 (if (and (> pos beg
) (< pos end
))
313 (thai-compose-syllable beg end
314 (char-category-set (char-after beg
))))))
318 (defun thai-compose-string (string)
319 "Compose Thai characters in STRING and return the resulting string."
320 (with-category-table thai-category-table
322 (while (setq idx
(string-match thai-composition-pattern string idx
))
323 (thai-compose-syllable idx
(match-end 0) nil string
)
324 (setq idx
(match-end 0)))))
328 (defun thai-compose-buffer ()
329 "Compose Thai characters in the current buffer."
331 (thai-compose-region (point-min) (point-max)))
334 (defun thai-post-read-conversion (len)
335 (thai-compose-region (point) (+ (point) len
))
339 (defun thai-composition-function (from to pattern
&optional string
)
340 "Compose Thai text in the region FROM and TO.
341 The text matches the regular expression PATTERN.
342 Optional 4th argument STRING, if non-nil, is a string containing text
345 The return value is number of composed characters."
346 (when (and (not thai-auto-composition-mode
)
348 (with-category-table thai-category-table
350 (if (eq (string-match thai-composition-pattern string from
) from
)
351 (thai-compose-syllable from
(match-end 0) nil string
))
354 (and (looking-at thai-composition-pattern
)
355 (setq to
(match-end 0))))
356 (thai-compose-syllable from to
))))))
358 (defun thai-auto-composition (beg end len
)
359 (with-category-table thai-category-table
361 (while (and (> beg
(point-min))
362 (setq category-set
(char-category-set (char-after (1- beg
))))
363 (or (aref category-set ?v
) (aref category-set ?u
)))
365 (if (and (> beg
(point-min))
366 (aref (char-category-set (char-after (1- beg
))) ?c
))
368 (while (and (< end
(point-max))
369 (setq category-set
(char-category-set (char-after end
)))
370 (or (aref category-set ?v
) (aref category-set ?u
)))
373 (thai-compose-region beg end
)))))
375 (put 'thai-auto-composition-mode
'permanent-local t
)
378 (define-minor-mode thai-auto-composition-mode
379 "Minor mode for automatically correct Thai character composition."
381 (cond ((null thai-auto-composition-mode
)
382 (remove-hook 'after-change-functions
'thai-auto-composition
))
384 (add-hook 'after-change-functions
'thai-auto-composition
))))
386 ;; Thai-word-mode requires functions in the feature `thai-word'.
389 (defvar thai-word-mode-map
390 (let ((map (make-sparse-keymap)))
391 (define-key map
[remap forward-word
] 'thai-forward-word
)
392 (define-key map
[remap backward-word
] 'thai-backward-word
)
393 (define-key map
[remap kill-word
] 'thai-kill-word
)
394 (define-key map
[remap backward-kill-word
] 'thai-backward-kill-word
)
395 (define-key map
[remap transpose-words
] 'thai-transpose-words
)
397 "Keymap for `thai-word-mode'.")
399 (define-minor-mode thai-word-mode
400 "Minor mode to make word-oriented commands aware of Thai words.
401 The commands affected are \\[forward-word], \\[backward-word], \\[kill-word], \\[backward-kill-word], \\[transpose-words], and \\[fill-paragraph]."
402 :global t
:group
'mule
403 (cond (thai-word-mode
404 ;; This enables linebreak between Thai characters.
405 (modify-category-entry (make-char 'thai-tis620
) ?|
)
406 ;; This enables linebreak at a Thai word boundary.
407 (put-charset-property 'thai-tis620
'fill-find-break-point-function
408 'thai-fill-find-break-point
))
410 (modify-category-entry (make-char 'thai-tis620
) ?| nil t
)
411 (put-charset-property 'thai-tis620
'fill-find-break-point-function
414 ;; Function to call on entering the Thai language environment.
415 (defun setup-thai-language-environment-internal ()
418 ;; Function to call on exiting the Thai language environment.
419 (defun exit-thai-language-environment-internal ()
425 ;;; arch-tag: 59425d6a-8cf9-4e06-a6ab-8ab7dc7a7a97
426 ;;; thai-util.el ends here