1 ;;; mule-cmds.el --- Commands for mulitilingual environment
3 ;; Copyright (C) 1995 Electrotechnical Laboratory, JAPAN.
4 ;; Licensed to the Free Software Foundation.
6 ;; Keywords: mule, multilingual
8 ;; This file is part of GNU Emacs.
10 ;; GNU Emacs is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; GNU Emacs is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
27 ;;; MULE related key bindings and menus.
29 (defvar mule-keymap
(make-sparse-keymap)
30 "Keymap for MULE (Multilingual environment) specific commands.")
32 ;; Keep "C-x C-m ..." for mule specific commands.
33 (define-key ctl-x-map
"\C-m" mule-keymap
)
35 (define-key mule-keymap
"f" 'set-buffer-file-coding-system
)
36 (define-key mule-keymap
"t" 'set-terminal-coding-system
)
37 (define-key mule-keymap
"k" 'set-keyboard-coding-system
)
38 (define-key mule-keymap
"p" 'set-buffer-process-coding-system
)
39 (define-key mule-keymap
"x" 'set-selection-coding-system
)
40 (define-key mule-keymap
"X" 'set-next-selection-coding-system
)
41 (define-key mule-keymap
"\C-\\" 'set-input-method
)
42 (define-key mule-keymap
"c" 'universal-coding-system-argument
)
43 (define-key mule-keymap
"l" 'set-language-environment
)
45 (define-key help-map
"\C-L" 'describe-language-environment
)
46 (define-key help-map
"L" 'describe-language-environment
)
47 (define-key help-map
"\C-\\" 'describe-input-method
)
48 (define-key help-map
"I" 'describe-input-method
)
49 (define-key help-map
"C" 'describe-coding-system
)
50 (define-key help-map
"h" 'view-hello-file
)
52 (defvar mule-menu-keymap
(make-sparse-keymap "Mule")
53 "Keymap for MULE (Multilingual environment) menu specific commands.")
55 (define-key global-map
[menu-bar mule
]
56 `(menu-item "Mule" ,mule-menu-keymap
57 :visible default-enable-multibyte-characters
))
59 (setq menu-bar-final-items
(cons 'mule menu-bar-final-items
))
61 (defvar describe-language-environment-map nil
)
62 (define-prefix-command 'describe-language-environment-map
)
64 (defvar setup-language-environment-map nil
)
65 (define-prefix-command 'setup-language-environment-map
)
67 (defvar set-coding-system-map nil
)
68 (define-prefix-command 'set-coding-system-map
)
70 (define-key-after mule-menu-keymap
[describe-language-environment
]
71 '("Describe Language Environment" . describe-language-environment-map
)
73 (define-key-after mule-menu-keymap
[set-language-environment
]
74 '("Set Language Environment" . setup-language-environment-map
)
76 (define-key-after mule-menu-keymap
[mouse-set-font
]
77 '("Set Font/Fontset" . mouse-set-font
)
79 (define-key-after mule-menu-keymap
[separator-mule
]
82 (define-key-after mule-menu-keymap
[toggle-input-method
]
83 '("Toggle Input Method" . toggle-input-method
)
85 (define-key-after mule-menu-keymap
[set-input-method
]
86 '("Select Input Method" . set-input-method
)
88 (define-key-after mule-menu-keymap
[describe-input-method
]
89 '("Describe Input Method" . describe-input-method
)
91 (define-key-after mule-menu-keymap
[separator-input-method
]
94 (define-key-after mule-menu-keymap
[describe-coding-system
]
95 '("Describe Coding Systems" . describe-coding-system
)
97 (define-key-after mule-menu-keymap
[set-various-coding-system
]
98 '("Set Coding System" . set-coding-system-map
)
100 (define-key-after mule-menu-keymap
[separator-coding-system
]
103 (define-key-after mule-menu-keymap
[mule-diag
]
104 '("Show All of MULE Status" . mule-diag
)
106 (define-key-after mule-menu-keymap
[view-hello-file
]
107 '("Show Script Examples" . view-hello-file
)
110 (define-key-after set-coding-system-map
[set-buffer-file-coding-system
]
111 '("Buffer File" . set-buffer-file-coding-system
)
113 (define-key-after set-coding-system-map
[universal-coding-system-argument
]
114 '("Next Command" . universal-coding-system-argument
)
116 (define-key-after set-coding-system-map
[set-terminal-coding-system
]
117 '("Terminal" . set-terminal-coding-system
)
119 (define-key-after set-coding-system-map
[set-keyboard-coding-system
]
120 '("Keyboard" . set-keyboard-coding-system
)
122 (define-key-after set-coding-system-map
[set-buffer-process-coding-system
]
123 '("Buffer Process" . set-buffer-process-coding-system
)
125 (define-key-after set-coding-system-map
[set-selection-coding-system
]
126 '("X Selection" . set-selection-coding-system
)
128 (define-key-after set-coding-system-map
[set-next-selection-coding-system
]
129 '("Next X Selection" . set-next-selection-coding-system
)
131 (define-key setup-language-environment-map
132 [Default] '("Default" . setup-specified-language-environment))
134 ;; These are meaningless when running under X.
135 (put 'set-terminal-coding-system 'menu-enable
136 '(not window-system))
137 (put 'set-keyboard-coding-system 'menu-enable
138 '(not window-system))
139 ;; This is meaningless when the current buffer has no process.
140 (put 'set-buffer-process-coding-system 'menu-enable
141 '(get-buffer-process (current-buffer)))
142 ;; These are meaningless when running under terminal.
143 (put 'set-selection-coding-system 'menu-enable
145 (put 'set-next-selection-coding-system 'menu-enable
148 ;; This should be a single character key binding because users use it
149 ;; very frequently while editing multilingual text. Now we can use
150 ;; only two such keys: "\C-\\" and "\C-^", but the latter is not
151 ;; convenient because it requires shifting on most keyboards. An
152 ;; alternative is "\C-\]" which is now bound to `abort-recursive-edit'
153 ;; but it won't be used that frequently.
154 (define-key global-map "\C-\\" 'toggle-input-method)
156 ;;; This is no good because people often type Shift-SPC
157 ;;; meaning to type SPC. -- rms.
158 ;;; ;; Here's an alternative key binding for X users (Shift-SPACE).
159 ;;; (define-key global-map [?\S- ] 'toggle-input-method)
161 (defun toggle-enable-multibyte-characters (&optional arg)
162 "Change whether this buffer uses multibyte characters.
163 With arg, use multibyte characters if the arg is positive.
165 Note that this command does not convert the byte contents of
166 the buffer; it only changes the way those bytes are interpreted.
167 In general, therefore, this command *changes* the sequence of
168 characters that the current buffer contains.
170 We suggest you avoid using use this command unless you know what you
171 are doing. If you use it by mistake, and the buffer is now displayed
172 wrong, use this command again to toggle back to the right mode."
175 (if (null arg) (null enable-multibyte-characters)
176 (> (prefix-numeric-value arg) 0))))
177 (set-buffer-multibyte new-flag))
178 (force-mode-line-update))
180 (defun view-hello-file ()
181 "Display the HELLO file which list up many languages and characters."
183 ;; We have to decode the file in any environment.
184 (let ((default-enable-multibyte-characters t)
185 (coding-system-for-read 'iso-2022-7bit))
186 (find-file-read-only (expand-file-name "HELLO" data-directory))))
188 (defun universal-coding-system-argument ()
189 "Execute an I/O command using the specified coding system."
191 (let* ((default (and buffer-file-coding-system
192 (not (eq (coding-system-type buffer-file-coding-system)
194 buffer-file-coding-system))
195 (coding-system (read-coding-system
197 (format "Coding system for following command (default, %s): " default)
198 "Coding system for following command: ")
200 (keyseq (read-key-sequence
201 (format "Command to execute with %s:" coding-system)))
202 (cmd (key-binding keyseq)))
203 (let ((coding-system-for-read coding-system)
204 (coding-system-for-write coding-system))
206 (call-interactively cmd))))
208 (defun set-default-coding-systems (coding-system)
209 "Set default value of various coding systems to CODING-SYSTEM.
210 This sets the following coding systems:
211 o coding system of a newly created buffer
212 o default coding system for subprocess I/O
213 This also sets the following values:
214 o default value used as file-name-coding-system for converting file names.
215 o default value for the command `set-terminal-coding-system'
216 o default value for the command `set-keyboard-coding-system'"
217 (check-coding-system coding-system)
218 (setq-default buffer-file-coding-system coding-system)
219 (if default-enable-multibyte-characters
220 (setq default-file-name-coding-system coding-system))
221 (setq default-terminal-coding-system coding-system)
222 (setq default-keyboard-coding-system coding-system)
223 (setq default-process-coding-system (cons coding-system coding-system)))
225 (defalias 'update-iso-coding-systems 'update-coding-systems-internal)
226 (make-obsolete 'update-iso-coding-systems 'update-coding-systems-internal)
228 (defun prefer-coding-system (coding-system)
229 "Add CODING-SYSTEM at the front of the priority list for automatic detection.
230 This also sets the following coding systems:
231 o coding system of a newly created buffer
232 o default coding system for subprocess I/O
233 This also sets the following values:
234 o default value used as file-name-coding-system for converting file names.
235 o default value for the command `set-terminal-coding-system'
236 o default value for the command `set-keyboard-coding-system'"
237 (interactive "zPrefer coding system: ")
238 (if (not (and coding-system (coding-system-p coding-system)))
239 (error "Invalid coding system `%s'" coding-system))
240 (let ((coding-category (coding-system-category coding-system))
241 (base (coding-system-base coding-system)))
242 (if (not coding-category)
243 ;; CODING-SYSTEM is no-conversion or undecided.
244 (error "Can't prefer the coding system `%s'" coding-system))
245 (set coding-category (or base coding-system))
246 (update-coding-systems-internal)
247 (if (not (eq coding-category (car coding-category-list)))
248 ;; We must change the order.
249 (setq coding-category-list
250 (cons coding-category
251 (delq coding-category coding-category-list))))
252 (if (and base (interactive-p))
253 (message "Highest priority is set to %s (base of %s)"
255 (set-default-coding-systems (or base coding-system))))
257 (defun find-coding-systems-region-subset-p (list1 list2)
258 "Return non-nil if all elements in LIST1 are included in LIST2.
259 Comparison done with EQ."
262 (or (memq (car list1) list2)
264 (setq list1 (cdr list1)))
267 (defun find-coding-systems-region (from to)
268 "Return a list of proper coding systems to encode a text between FROM and TO.
269 All coding systems in the list can safely encode any multibyte characters
272 If the text contains no multibyte characters, return a list of a single
273 element `undecided'."
274 (find-coding-systems-for-charsets (find-charset-region from to)))
276 (defun find-coding-systems-string (string)
277 "Return a list of proper coding systems to encode STRING.
278 All coding systems in the list can safely encode any multibyte characters
281 If STRING contains no multibyte characters, return a list of a single
282 element `undecided'."
283 (find-coding-systems-for-charsets (find-charset-string string)))
285 (defun find-coding-systems-for-charsets (charsets)
286 "Return a list of proper coding systems to encode characters of CHARSETS.
287 CHARSETS is a list of character sets."
288 (if (or (null charsets)
289 (and (= (length charsets) 1)
290 (eq 'ascii (car charsets))))
292 (let ((l coding-system-list)
293 (charset-prefered-codings
296 (get-charset-property x 'prefered-coding-system)))
298 (priorities (mapcar (function (lambda (x) (symbol-value x)))
299 coding-category-list))
302 (setq coding (car l) l (cdr l))
303 (if (and (eq coding (coding-system-base coding))
304 (setq safe (coding-system-get coding 'safe-charsets))
306 (find-coding-systems-region-subset-p charsets safe)))
307 ;; We put the higher priority to coding systems included
308 ;; in CHARSET-PREFERED-CODINGS, and within them, put the
309 ;; higher priority to coding systems which support smaller
310 ;; number of charsets.
312 (+ (if (coding-system-get coding 'mime-charset) 4096 0)
313 (lsh (length (memq coding priorities)) 7)
314 (if (memq coding charset-prefered-codings) 64 0)
315 (if (> (coding-system-type coding) 0) 32 0)
316 (if (consp safe) (- 32 (length safe)) 0))))
317 (setq codings (cons (cons priority coding) codings)))))
319 (sort codings (function (lambda (x y) (> (car x) (car y))))))
322 (defun find-multibyte-characters (from to &optional maxcount excludes)
323 "Find multibyte characters in the region specified by FROM and TO.
324 If FROM is a string, find multibyte characters in the string.
325 The return value is an alist of the following format:
326 ((CHARSET COUNT CHAR ...) ...)
328 CHARSET is a character set,
329 COUNT is a number of characters,
330 CHARs are found characters of the character set.
331 Optional 3rd arg MAXCOUNT limits how many CHARs are put in the above list.
332 Optional 4th arg EXCLUDE is a list of character sets to be ignored."
337 (while (setq idx (string-match "[^\000-\177]" from idx))
338 (setq char (aref from idx)
339 charset (char-charset char))
340 (if (not (memq charset excludes))
341 (let ((slot (assq charset chars)))
343 (if (not (memq char (nthcdr 2 slot)))
344 (let ((count (nth 1 slot)))
345 (setcar (cdr slot) (1+ count))
346 (if (or (not maxcount) (< count maxcount))
347 (nconc slot (list char)))))
348 (setq chars (cons (list charset 1 char) chars)))))
349 (setq idx (1+ idx))))
352 (while (re-search-forward "[^\000-\177]" to t)
353 (setq char (preceding-char)
354 charset (char-charset char))
355 (if (not (memq charset excludes))
356 (let ((slot (assq charset chars)))
358 (if (not (memq char (nthcdr 2 slot)))
359 (let ((count (nth 1 slot)))
360 (setcar (cdr slot) (1+ count))
361 (if (or (not maxcount) (< count maxcount))
362 (nconc slot (list char)))))
363 (setq chars (cons (list charset 1 char) chars))))))))
366 (defvar last-coding-system-specified nil
367 "Most recent coding system explicitly specified by the user when asked.
368 This variable is set whenever Emacs asks the user which coding system
369 to use in order to write a file. If you set it to nil explicitly,
370 then call `write-region', then afterward this variable will be non-nil
371 only if the user was explicitly asked and specified a coding system.")
373 (defun select-safe-coding-system (from to &optional default-coding-system)
374 "Ask a user to select a safe coding system from candidates.
375 The candidates of coding systems which can safely encode a text
376 between FROM and TO are shown in a popup window.
378 Optional arg DEFAULT-CODING-SYSTEM specifies a coding system to be
379 checked at first. If omitted, buffer-file-coding-system of the
380 current buffer is used.
382 If the text can be encoded safely by DEFAULT-CODING-SYSTEM, it is
383 returned without any user interaction.
385 Kludgy feature: if FROM is a string, the string is the target text,
387 (or default-coding-system
388 (setq default-coding-system buffer-file-coding-system))
389 (let* ((charsets (if (stringp from) (find-charset-string from)
390 (find-charset-region from to)))
391 (safe-coding-systems (find-coding-systems-for-charsets charsets)))
392 (if (or (eq (car safe-coding-systems) 'undecided)
393 (eq default-coding-system 'no-conversion)
394 (and default-coding-system
395 (memq (coding-system-base default-coding-system)
396 safe-coding-systems)))
397 default-coding-system
399 ;; At first, change each coding system to the corresponding
400 ;; mime-charset name if it is also a coding system.
401 (let ((l safe-coding-systems)
404 (setq mime-charset (coding-system-get (car l) 'mime-charset))
405 (if (and mime-charset (coding-system-p mime-charset))
406 (setcar l mime-charset))
409 (let ((non-safe-chars (find-multibyte-characters
411 (and default-coding-system
412 (coding-system-get default-coding-system
416 ;; Highlight characters that default-coding-system can't encode.
417 (when (integerp from)
420 (while (and (not found)
421 (re-search-forward "[^\000-\177]" to t))
422 (setq found (assq (char-charset (preceding-char))
425 (set-window-start (selected-window) (point))
427 (while (re-search-forward "[^\000-\177]" to t)
428 (let* ((char (preceding-char))
429 (charset (char-charset char)))
430 (when (assq charset non-safe-chars)
431 (setq overlays (cons (make-overlay (1- (point)) (point))
433 (overlay-put (car overlays) 'face 'highlight))))))
435 ;; At last, ask a user to select a proper coding system.
437 (save-window-excursion
438 ;; At first, show a helpful message.
439 (with-output-to-temp-buffer "*Warning*"
441 (set-buffer standard-output)
442 (insert "The target text contains the following non ASCII character(s):\n")
443 (let ((len (length non-safe-chars))
445 (while (and non-safe-chars (< shown 3))
446 (when (> (length (car non-safe-chars)) 2)
447 (setq shown (1+ shown))
448 (insert (format "%25s: " (car (car non-safe-chars))))
449 (let ((l (nthcdr 2 (car non-safe-chars))))
453 (if (> (nth 1 (car non-safe-chars)) 3)
456 (setq non-safe-chars (cdr non-safe-chars)))
458 (insert (format "%27s\n" "..."))))
460 These can't be encoded safely by the coding system %s.
462 Please select one from the following safe coding systems:\n"
463 default-coding-system))
466 (mapcar (function (lambda (x) (princ " ") (princ x)))
468 (fill-region-as-paragraph pos (point)))))
470 ;; Read a coding system.
471 (let* ((safe-names (mapcar (lambda (x) (list (symbol-name x)))
472 safe-coding-systems))
473 (name (completing-read
474 (format "Select coding system (default %s): "
475 (car safe-coding-systems))
476 safe-names nil t nil nil
477 (car (car safe-names)))))
478 (setq last-coding-system-specified (intern name))
479 (if (integerp (coding-system-eol-type default-coding-system))
480 (setq last-coding-system-specified
481 (coding-system-change-eol-conversion
482 last-coding-system-specified
483 (coding-system-eol-type default-coding-system))))
484 last-coding-system-specified))
485 (kill-buffer "*Warning*")
487 (delete-overlay (car overlays))
488 (setq overlays (cdr overlays)))))))))
490 (setq select-safe-coding-system-function 'select-safe-coding-system)
492 (defun select-message-coding-system ()
493 "Return a coding system to encode the outgoing message of the current buffer.
494 It at first tries the first coding system found in these variables
496 (1) local value of `buffer-file-coding-system'
497 (2) value of `sendmail-coding-system'
498 (3) value of `default-buffer-file-coding-system'
499 (4) value of `default-sendmail-coding-system'
500 If the found coding system can't encode the current buffer,
501 or none of them are bound to a coding system,
502 it asks a user to select a proper coding system."
503 (let ((coding (or (and (local-variable-p 'buffer-file-coding-system)
504 buffer-file-coding-system)
505 sendmail-coding-system
506 default-buffer-file-coding-system
507 default-sendmail-coding-system)))
508 (if (eq coding 'no-conversion)
509 ;; We should never use no-conversion for outgoing mails.
511 (if (fboundp select-safe-coding-system-function)
512 (funcall select-safe-coding-system-function
513 (point-min) (point-max) coding)
516 ;;; Language support staffs.
518 (defvar language-info-alist nil
519 "Alist of language environment definitions.
520 Each element looks like:
521 (LANGUAGE-NAME . ((KEY . INFO) ...))
522 where LANGUAGE-NAME is a string, the name of the language environment,
523 KEY is a symbol denoting the kind of information, and
524 INFO is the data associated with KEY.
525 Meaningful values for KEY include
527 documentation value is documentation of what this language environment
528 is meant for, and how to use it.
529 charset value is a list of the character sets used by this
530 language environment.
531 sample-text value is one line of text,
532 written using those character sets,
533 appropriate for this language environment.
534 setup-function value is a function to call to switch to this
535 language environment.
536 exit-function value is a function to call to leave this
537 language environment.
538 coding-system value is a list of coding systems that are good
539 for saving text written in this language environment.
540 This list serves as suggestions to the user;
541 in effect, as a kind of documentation.
542 coding-priority value is a list of coding systems for this language
543 environment, in order of decreasing priority.
544 This is used to set up the coding system priority
545 list when you switch to this language environment.
547 value is a translation table to be set in the
548 variable `nonascii-translation-table' in this
549 language environment, or a character set from
550 which `nonascii-insert-offset' is calculated.
552 value is an alist to be set in the variable
553 `charset-origin-alist' in this language environment.
554 input-method value is a default input method for this language
556 features value is a list of features requested in this
557 language environment.
559 The following keys take effect only when multibyte characters are
560 globally disabled, i.e. the value of `default-enable-multibyte-characters'
563 unibyte-syntax value is a library name to load to set
564 unibyte 8-bit character syntaxes for this
565 language environment.
567 unibyte-display value is a coding system to encode characters
568 for the terminal. Characters in the range
569 of 160 to 255 display not as octal escapes,
570 but as non-ASCII characters in this language
573 (defun get-language-info (lang-env key)
574 "Return information listed under KEY for language environment LANG-ENV.
575 KEY is a symbol denoting the kind of information.
576 For a list of useful values for KEY and their meanings,
577 see `language-info-alist'."
578 (if (symbolp lang-env)
579 (setq lang-env (symbol-name lang-env)))
580 (let ((lang-slot (assoc-ignore-case lang-env language-info-alist)))
582 (cdr (assq key (cdr lang-slot))))))
584 (defun set-language-info (lang-env key info)
585 "Modify part of the definition of language environment LANG-ENV.
586 Specifically, this stores the information INFO under KEY
587 in the definition of this language environment.
588 KEY is a symbol denoting the kind of information.
589 INFO is the value for that information.
591 For a list of useful values for KEY and their meanings,
592 see `language-info-alist'."
593 (if (symbolp lang-env)
594 (setq lang-env (symbol-name lang-env)))
595 (let (lang-slot key-slot)
596 (setq lang-slot (assoc lang-env language-info-alist))
597 (if (null lang-slot) ; If no slot for the language, add it.
598 (setq lang-slot (list lang-env)
599 language-info-alist (cons lang-slot language-info-alist)))
600 (setq key-slot (assq key lang-slot))
601 (if (null key-slot) ; If no slot for the key, add it.
603 (setq key-slot (list key))
604 (setcdr lang-slot (cons key-slot (cdr lang-slot)))))
605 (setcdr key-slot info)))
607 (defun set-language-info-alist (lang-env alist &optional parents)
608 "Store ALIST as the definition of language environment LANG-ENV.
609 ALIST is an alist of KEY and INFO values. See the documentation of
610 `set-language-info' for the meanings of KEY and INFO.
612 Optional arg PARENTS is a list of parent menu names; it specifies
613 where to put this language environment in the
614 Describe Language Environment and Set Language Environment menus.
615 For example, (\"European\") means to put this language environment
616 in the European submenu in each of those two menus."
617 (if (symbolp lang-env)
618 (setq lang-env (symbol-name lang-env)))
619 (let ((describe-map describe-language-environment-map)
620 (setup-map setup-language-environment-map))
623 map parent-symbol parent)
625 (if (symbolp (setq parent-symbol (car l)))
626 (setq parent (symbol-name parent))
627 (setq parent parent-symbol parent-symbol (intern parent)))
628 (setq map (lookup-key describe-map (vector parent-symbol)))
631 (setq map (intern (format "describe-%s-environment-map"
633 (define-prefix-command map)
634 (define-key-after describe-map (vector parent-symbol)
635 (cons parent map) t)))
636 (setq describe-map (symbol-value map))
637 (setq map (lookup-key setup-map (vector parent-symbol)))
640 (setq map (intern (format "setup-%s-environment-map"
642 (define-prefix-command map)
643 (define-key-after setup-map (vector parent-symbol)
644 (cons parent map) t)))
645 (setq setup-map (symbol-value map))
648 ;; Set up menu items for this language env.
649 (let ((doc (assq 'documentation alist)))
651 (define-key-after describe-map (vector (intern lang-env))
652 (cons lang-env 'describe-specified-language-support) t)))
653 (define-key-after setup-map (vector (intern lang-env))
654 (cons lang-env 'setup-specified-language-environment) t)
657 (set-language-info lang-env (car (car alist)) (cdr (car alist)))
658 (setq alist (cdr alist)))))
660 (defun read-language-name (key prompt &optional default)
661 "Read a language environment name which has information for KEY.
662 If KEY is nil, read any language environment.
663 Prompt with PROMPT. DEFAULT is the default choice of language environment.
664 This returns a language environment name as a string."
665 (let* ((completion-ignore-case t)
666 (name (completing-read prompt
669 (function (lambda (elm) (assq key elm))))
671 (if (and (> (length name) 0)
673 (get-language-info name key)))
676 ;;; Multilingual input methods.
678 (defconst leim-list-file-name "leim-list.el"
679 "Name of LEIM list file.
680 This file contains a list of libraries of Emacs input methods (LEIM)
681 in the format of Lisp expression for registering each input method.
682 Emacs loads this file at startup time.")
684 (defvar leim-list-header (format "\
685 ;;; %s -- list of LEIM (Library of Emacs Input Method)
687 ;; This file contains a list of LEIM (Library of Emacs Input Method)
688 ;; in the same directory as this file. Loading this file registers
689 ;; the whole input methods in Emacs.
691 ;; Each entry has the form:
692 ;; (register-input-method
693 ;; INPUT-METHOD LANGUAGE-NAME ACTIVATE-FUNC
696 ;; See the function `register-input-method' for the meanings of arguments.
698 ;; If this directory is included in load-path, Emacs automatically
699 ;; loads this file at startup time.
703 "Header to be inserted in LEIM list file.")
705 (defvar leim-list-entry-regexp "^(register-input-method"
706 "Regexp matching head of each entry in LEIM list file.
707 See also the variable `leim-list-header'")
709 (defvar update-leim-list-functions
710 '(quail-update-leim-list-file)
711 "List of functions to call to update LEIM list file.
712 Each function is called with one arg, LEIM directory name.")
714 (defun update-leim-list-file (&rest dirs)
715 "Update LEIM list file in directories DIRS."
716 (let ((functions update-leim-list-functions))
718 (apply (car functions) dirs)
719 (setq functions (cdr functions)))))
721 (defvar current-input-method nil
722 "The current input method for multilingual text.
723 If nil, that means no input method is activated now.")
724 (make-variable-buffer-local 'current-input-method)
725 (put 'current-input-method 'permanent-local t)
727 (defvar current-input-method-title nil
728 "Title string of the current input method shown in mode line.")
729 (make-variable-buffer-local 'current-input-method-title)
730 (put 'current-input-method-title 'permanent-local t)
732 (defcustom default-input-method nil
733 "*Default input method for multilingual text (a string).
734 This is the input method activated automatically by the command
735 `toggle-input-method' (\\[toggle-input-method])."
739 (defvar input-method-history nil
740 "History list for some commands that read input methods.")
741 (make-variable-buffer-local 'input-method-history)
742 (put 'input-method-history 'permanent-local t)
744 (defvar inactivate-current-input-method-function nil
745 "Function to call for inactivating the current input method.
746 Every input method should set this to an appropriate value when activated.
747 This function is called with no argument.
749 This function should never change the value of `current-input-method'.
750 It is set to nil by the function `inactivate-input-method'.")
751 (make-variable-buffer-local 'inactivate-current-input-method-function)
752 (put 'inactivate-current-input-method-function 'permanent-local t)
754 (defvar describe-current-input-method-function nil
755 "Function to call for describing the current input method.
756 This function is called with no argument.")
757 (make-variable-buffer-local 'describe-current-input-method-function)
758 (put 'describe-current-input-method-function 'permanent-local t)
760 (defvar input-method-alist nil
761 "Alist of input method names vs how to use them.
762 Each element has the form:
763 (INPUT-METHOD LANGUAGE-ENV ACTIVATE-FUNC TITLE DESCRIPTION ARGS...)
764 See the function `register-input-method' for the meanings of the elements.")
766 (defun register-input-method (input-method lang-env &rest args)
767 "Register INPUT-METHOD as an input method for language environment ENV.
768 INPUT-METHOD and LANG-ENV are symbols or strings.
770 The remaining arguments are:
771 ACTIVATE-FUNC, TITLE, DESCRIPTION, and ARGS...
772 ACTIVATE-FUNC is a function to call to activate this method.
773 TITLE is a string to show in the mode line when this method is active.
774 DESCRIPTION is a string describing this method and what it is good for.
775 The ARGS, if any, are passed as arguments to ACTIVATE-FUNC.
776 All told, the arguments to ACTIVATE-FUNC are INPUT-METHOD and the ARGS.
778 This function is mainly used in the file \"leim-list.el\" which is
779 created at building time of emacs, registering all quail input methods
780 contained in the emacs distribution.
782 In case you want to register a new quail input method by yourself, be
783 careful to use the same input method title as given in the third
784 parameter of `quail-define-package' (if the values are different, the
785 string specified in this function takes precedence).
787 The commands `describe-input-method' and `list-input-methods' need
788 this duplicated values to show some information about input methods
789 without loading the affected quail packages."
790 (if (symbolp lang-env)
791 (setq lang-env (symbol-name lang-env)))
792 (if (symbolp input-method)
793 (setq input-method (symbol-name input-method)))
794 (let ((info (cons lang-env args))
795 (slot (assoc input-method input-method-alist)))
798 (setq slot (cons input-method info))
799 (setq input-method-alist (cons slot input-method-alist)))))
801 (defun read-input-method-name (prompt &optional default inhibit-null)
802 "Read a name of input method from a minibuffer prompting with PROMPT.
803 If DEFAULT is non-nil, use that as the default,
804 and substitute it into PROMPT at the first `%s'.
805 If INHIBIT-NULL is non-nil, null input signals an error.
807 The return value is a string."
809 (setq prompt (format prompt default)))
810 (let* ((completion-ignore-case t)
811 ;; This binding is necessary because input-method-history is
813 (input-method (completing-read prompt input-method-alist
814 nil t nil 'input-method-history
816 (if (> (length input-method) 0)
819 (error "No valid input method is specified")))))
821 (defun activate-input-method (input-method)
822 "Switch to input method INPUT-METHOD for the current buffer.
823 If some other input method is already active, turn it off first.
824 If INPUT-METHOD is nil, deactivate any current input method."
825 (if (and input-method (symbolp input-method))
826 (setq input-method (symbol-name input-method)))
827 (if (and current-input-method
828 (not (string= current-input-method input-method)))
829 (inactivate-input-method))
830 (unless (or current-input-method (null input-method))
831 (let ((slot (assoc input-method input-method-alist)))
833 (error "Can't activate input method `%s'" input-method))
834 (let ((func (nth 2 slot)))
836 (apply (nth 2 slot) input-method (nthcdr 5 slot))
837 (if (and (consp func) (symbolp (car func)) (symbolp (cdr func)))
840 (apply (car func) input-method (nthcdr 5 slot)))
841 (error "Can't activate input method `%s'" input-method))))
842 (setq current-input-method input-method)
843 (setq current-input-method-title (nth 3 slot))
845 (run-hooks 'input-method-activate-hook)
846 (force-mode-line-update)))))
848 (defun inactivate-input-method ()
849 "Turn off the current input method."
850 (when current-input-method
851 (if input-method-history
852 (unless (string= current-input-method (car input-method-history))
853 (setq input-method-history
854 (cons current-input-method
855 (delete current-input-method input-method-history))))
856 (setq input-method-history (list current-input-method)))
858 (funcall inactivate-current-input-method-function)
860 (run-hooks 'input-method-inactivate-hook)
861 (setq current-input-method nil
862 current-input-method-title nil)
863 (force-mode-line-update)))))
865 (defun set-input-method (input-method)
866 "Select and activate input method INPUT-METHOD for the current buffer.
867 This also sets the default input method to the one you specify."
869 (let* ((default (or (car input-method-history) default-input-method)))
870 (list (read-input-method-name
871 (if default "Select input method (default %s): " "Select input method: ")
873 (activate-input-method input-method)
874 (setq default-input-method input-method))
876 (defun toggle-input-method (&optional arg)
877 "Turn on or off a multilingual text input method for the current buffer.
879 With no prefix argument, if some input method is currently activated,
880 turn it off. Otherwise, activate an input method--the one most recently used,
881 or the one specified in `default-input-method', or one read from the
884 With a prefix arg, read an input method from minibuffer and turn it on.
885 The default is the most recent input method specified
886 \(not including the currently active input method, if any).
888 When there's no input method to turn on, turn on what read from minibuffer."
890 (if (and current-input-method (not arg))
891 (inactivate-input-method)
892 (let ((default (or (car input-method-history) default-input-method)))
893 (if (and arg default (equal current-input-method default)
894 (> (length input-method-history) 1))
895 (setq default (nth 1 input-method-history)))
896 (activate-input-method
897 (if (or arg (not default))
899 (read-input-method-name
900 (if default "Input method (default %s): " "Input method: " )
903 (or default-input-method
904 (setq default-input-method current-input-method)))))
906 (defun describe-input-method (input-method)
907 "Describe input method INPUT-METHOD."
909 (list (read-input-method-name
910 "Describe input method (default, current choice): ")))
911 (if (and input-method (symbolp input-method))
912 (setq input-method (symbol-name input-method)))
913 (if (null input-method)
914 (describe-current-input-method)
915 (with-output-to-temp-buffer "*Help*"
916 (let ((elt (assoc input-method input-method-alist)))
917 (princ (format "Input method: %s (`%s' in mode line) for %s\n %s\n"
918 input-method (nth 3 elt) (nth 1 elt) (nth 4 elt)))))))
920 (defun describe-current-input-method ()
921 "Describe the input method currently in use."
922 (if current-input-method
923 (if (and (symbolp describe-current-input-method-function)
924 (fboundp describe-current-input-method-function))
925 (funcall describe-current-input-method-function)
926 (message "No way to describe the current input method `%s'"
927 (cdr current-input-method))
929 (error "No input method is activated now")))
931 (defun read-multilingual-string (prompt &optional initial-input input-method)
932 "Read a multilingual string from minibuffer, prompting with string PROMPT.
933 The input method selected last time is activated in minibuffer.
934 If optional second arg INITIAL-INPUT is non-nil, insert it in the minibuffer
936 Optional 3rd argument INPUT-METHOD specifies the input method
937 to be activated instead of the one selected last time. It is a symbol
943 (read-input-method-name "Input method: " nil t)))
944 (if (and input-method (symbolp input-method))
945 (setq input-method (symbol-name input-method)))
946 (let ((prev-input-method current-input-method))
949 (activate-input-method input-method)
950 (read-string prompt initial-input nil nil t))
951 (activate-input-method prev-input-method))))
953 ;; Variables to control behavior of input methods. All input methods
954 ;; should react to these variables.
956 (defcustom input-method-verbose-flag 'default
957 "*A flag to control extra guidance given by input methods.
958 The value should be nil, t, `complex-only', or `default'.
960 The extra guidance is done by showing list of available keys in echo
961 area. When you use the input method in the minibuffer, the guidance
962 is shown at the bottom short window (split from the existing window).
964 If the value is t, extra guidance is always given, if the value is
965 nil, extra guidance is always suppressed.
967 If the value is `complex-only', only complex input methods such as
968 `chinese-py' and `japanese' give extra guidance.
970 If the value is `default', complex input methods always give extra
971 guidance, but simple input methods give it only when you are not in
974 See also the variable `input-method-highlight-flag'."
975 :type '(choice (const t) (const nil) (const complex-only) (const default))
978 (defcustom input-method-highlight-flag t
979 "*If this flag is non-nil, input methods highlight partially-entered text.
980 For instance, while you are in the middle of a Quail input method sequence,
981 the text inserted so far is temporarily underlined.
982 The underlining goes away when you finish or abort the input method sequence.
983 See also the variable `input-method-verbose-flag'."
987 (defvar input-method-activate-hook nil
988 "Normal hook run just after an input method is activated.
990 The variable `current-input-method' keeps the input method name
993 (defvar input-method-inactivate-hook nil
994 "Normal hook run just after an input method is inactivated.
996 The variable `current-input-method' still keeps the input method name
999 (defvar input-method-after-insert-chunk-hook nil
1000 "Normal hook run just after an input method insert some chunk of text.")
1002 (defvar input-method-exit-on-first-char nil
1003 "This flag controls a timing when an input method returns.
1004 Usually, the input method does not return while there's a possibility
1005 that it may find a different translation if a user types another key.
1006 But, it this flag is non-nil, the input method returns as soon as
1007 the current key sequence gets long enough to have some valid translation.")
1009 (defvar input-method-use-echo-area nil
1010 "This flag controls how an input method shows an intermediate key sequence.
1011 Usually, the input method inserts the intermediate key sequence,
1012 or candidate translations corresponding to the sequence,
1013 at point in the current buffer.
1014 But, if this flag is non-nil, it displays them in echo area instead.")
1016 (defvar input-method-exit-on-invalid-key nil
1017 "This flag controls the behaviour of an input method on invalid key input.
1018 Usually, when a user types a key which doesn't start any character
1019 handled by the input method, the key is handled by turning off the
1020 input method temporarily. After that key, the input method is re-enabled.
1021 But, if this flag is non-nil, the input method is never back on.")
1024 (defvar set-language-environment-hook nil
1025 "Normal hook run after some language environment is set.
1027 When you set some hook function here, that effect usually should not
1028 be inherited to another language environment. So, you had better set
1029 another function in `exit-language-environment-hook' (which see) to
1030 cancel the effect.")
1032 (defvar exit-language-environment-hook nil
1033 "Normal hook run after exiting from some language environment.
1034 When this hook is run, the variable `current-language-environment'
1035 is still bound to the language environment being exited.
1037 This hook is mainly used for canceling the effect of
1038 `set-language-environment-hook' (which-see).")
1040 (defun setup-specified-language-environment ()
1041 "Switch to a specified language environment."
1043 (let (language-name)
1044 (if (and (symbolp last-command-event)
1045 (or (not (eq last-command-event 'Default))
1046 (setq last-command-event 'English))
1047 (setq language-name (symbol-name last-command-event)))
1048 (set-language-environment language-name)
1049 (error "Bogus calling sequence"))))
1051 (defcustom current-language-environment "English"
1052 "The last language environment specified with `set-language-environment'."
1053 :set (lambda (symbol value) (set-language-environment value))
1054 :initialize 'custom-initialize-default
1058 (defun reset-language-environment ()
1059 "Reset multilingual environment of Emacs to the default status.
1061 The default status is as follows:
1063 The default value of buffer-file-coding-system is nil.
1064 The default coding system for process I/O is nil.
1065 The default value for the command `set-terminal-coding-system' is nil.
1066 The default value for the command `set-keyboard-coding-system' is nil.
1068 The order of priorities of coding categories and the coding system
1069 bound to each category are as follows
1070 coding category coding system
1071 --------------------------------------------------
1072 coding-category-iso-8-2 iso-latin-1
1073 coding-category-iso-8-1 iso-latin-1
1074 coding-category-iso-7-tight iso-2022-jp
1075 coding-category-iso-7 iso-2022-7bit
1076 coding-category-iso-7-else iso-2022-7bit-lock
1077 coding-category-iso-8-else iso-2022-8bit-ss2
1078 coding-category-emacs-mule emacs-mule
1079 coding-category-raw-text raw-text
1080 coding-category-sjis japanese-shift-jis
1081 coding-category-big5 chinese-big5
1082 coding-category-ccl nil
1083 coding-category-binary no-conversion
1086 ;; This function formerly set default-enable-multibyte-characters to t,
1087 ;; but that is incorrect. It should not alter the unibyte/multibyte choice.
1089 (setq coding-category-iso-7-tight 'iso-2022-jp
1090 coding-category-iso-7 'iso-2022-7bit
1091 coding-category-iso-8-1 'iso-latin-1
1092 coding-category-iso-8-2 'iso-latin-1
1093 coding-category-iso-7-else 'iso-2022-7bit-lock
1094 coding-category-iso-8-else 'iso-2022-8bit-ss2
1095 coding-category-emacs-mule 'emacs-mule
1096 coding-category-raw-text 'raw-text
1097 coding-category-sjis 'japanese-shift-jis
1098 coding-category-big5 'chinese-big5
1099 coding-category-ccl nil
1100 coding-category-binary 'no-conversion)
1102 (set-coding-priority
1103 '(coding-category-iso-8-1
1104 coding-category-iso-8-2
1105 coding-category-iso-7-tight
1106 coding-category-iso-7
1107 coding-category-iso-7-else
1108 coding-category-iso-8-else
1109 coding-category-emacs-mule
1110 coding-category-raw-text
1111 coding-category-sjis
1112 coding-category-big5
1114 coding-category-binary))
1116 (set-default-coding-systems nil)
1117 ;; Don't alter the terminal and keyboard coding systems here.
1118 ;; The terminal still supports the same coding system
1119 ;; that it supported a minute ago.
1120 ;;; (set-terminal-coding-system-internal nil)
1121 ;;; (set-keyboard-coding-system-internal nil)
1123 (setq nonascii-translation-table nil
1124 nonascii-insert-offset 0))
1126 (defun set-language-environment (language-name)
1127 "Set up multi-lingual environment for using LANGUAGE-NAME.
1128 This sets the coding system priority and the default input method
1129 and sometimes other things. LANGUAGE-NAME should be a string
1130 which is the name of a language environment. For example, \"Latin-1\"
1131 specifies the character set for the major languages of Western Europe."
1132 (interactive (list (read-language-name
1134 "Set language environment (default, English): ")))
1136 (if (symbolp language-name)
1137 (setq language-name (symbol-name language-name)))
1138 (setq language-name "English"))
1139 (or (assoc-ignore-case language-name language-info-alist)
1140 (error "Language environment not defined: %S" language-name))
1141 (if current-language-environment
1142 (let ((func (get-language-info current-language-environment
1144 (run-hooks 'exit-language-environment-hook)
1145 (if (fboundp func) (funcall func))))
1146 (reset-language-environment)
1148 (setq current-language-environment language-name)
1149 (set-language-environment-coding-systems language-name)
1150 (let ((input-method (get-language-info language-name 'input-method)))
1152 (setq default-input-method input-method)
1153 (if input-method-history
1154 (setq input-method-history
1156 (delete input-method input-method-history))))))
1157 (let ((nonascii (get-language-info language-name 'nonascii-translation)))
1158 (if (char-table-p nonascii)
1159 (setq nonascii-translation-table nonascii)
1160 (if (charsetp nonascii)
1161 (setq nonascii-insert-offset (- (make-char nonascii) 128)))))
1163 (setq charset-origin-alist
1164 (get-language-info language-name 'charset-origin-alist))
1166 ;; Unibyte setups if necessary.
1167 (unless default-enable-multibyte-characters
1168 ;; Syntax and case table.
1169 (let ((syntax (get-language-info language-name 'unibyte-syntax)))
1171 (let ((set-case-syntax-set-multibyte nil))
1172 (load syntax nil t))
1173 ;; No information for syntax and case. Reset to the defaults.
1174 (let ((syntax-table (standard-syntax-table))
1175 (case-table (standard-case-table))
1178 (modify-syntax-entry ch " " syntax-table)
1179 (aset case-table ch ch)
1181 (set-char-table-extra-slot case-table 0 nil)
1182 (set-char-table-extra-slot case-table 1 nil)
1183 (set-char-table-extra-slot case-table 2 nil))
1184 (set-standard-case-table (standard-case-table))
1185 (let ((list (buffer-list)))
1187 (with-current-buffer (car list)
1188 (set-case-table (standard-case-table)))
1189 (setq list (cdr list))))))
1190 ;; Display table and coding system for terminal.
1191 (let ((coding (get-language-info language-name 'unibyte-display)))
1194 (standard-display-european-internal)
1195 (set-terminal-coding-system coding))
1196 (standard-display-default 160 255)
1197 (aset standard-display-table 146 nil)
1198 (set-terminal-coding-system nil))))
1200 (let ((required-features (get-language-info language-name 'features)))
1201 (while required-features
1202 (require (car required-features))
1203 (setq required-features (cdr required-features))))
1204 (let ((func (get-language-info language-name 'setup-function)))
1207 (run-hooks 'set-language-environment-hook)
1208 (force-mode-line-update t))
1210 (defun standard-display-european-internal ()
1211 ;; Actually set up direct output of non-ASCII characters.
1212 (standard-display-8bit 160 255)
1213 ;; Make non-line-break space display as a plain space.
1214 ;; Most X fonts do the wrong thing for code 160.
1215 (aset standard-display-table 160 [32])
1216 ;; Most Windows programs send out apostrophe's as \222. Most X fonts
1217 ;; don't contain a character at that position. Map it to the ASCII
1219 (aset standard-display-table 146 [39]))
1221 (defun set-language-environment-coding-systems (language-name)
1222 "Do various coding system setups for language environment LANGUAGE-NAME."
1223 (let* ((priority (get-language-info language-name 'coding-priority))
1224 (default-coding (car priority)))
1226 (let ((categories (mapcar 'coding-system-category priority)))
1227 (set-default-coding-systems default-coding)
1228 (setq default-sendmail-coding-system default-coding)
1229 (set-coding-priority categories)
1231 (set (car categories) (car priority))
1232 (setq priority (cdr priority) categories (cdr categories)))
1233 (update-coding-systems-internal)))))
1235 ;; Print all arguments with `princ', then print "\n".
1236 (defsubst princ-list (&rest args)
1237 (while args (princ (car args)) (setq args (cdr args)))
1240 ;; Print a language specific information such as input methods,
1241 ;; charsets, and coding systems. This function is intended to be
1242 ;; called from the menu:
1243 ;; [menu-bar mule describe-language-environment LANGUAGE]
1244 ;; and should not run it by `M-x describe-current-input-method-function'.
1245 (defun describe-specified-language-support ()
1246 "Describe how Emacs supports the specified language environment."
1248 (let (language-name)
1249 (if (not (and (symbolp last-command-event)
1250 (setq language-name (symbol-name last-command-event))))
1251 (error "Bogus calling sequence"))
1252 (describe-language-environment language-name)))
1254 (defun describe-language-environment (language-name)
1255 "Describe how Emacs supports language environment LANGUAGE-NAME."
1257 (list (read-language-name
1259 "Describe language environment (default, current choice): ")))
1260 (if (null language-name)
1261 (setq language-name current-language-environment))
1262 (if (or (null language-name)
1263 (null (get-language-info language-name 'documentation)))
1264 (error "No documentation for the specified language"))
1265 (if (symbolp language-name)
1266 (setq language-name (symbol-name language-name)))
1267 (let ((doc (get-language-info language-name 'documentation)))
1268 (with-output-to-temp-buffer "*Help*"
1269 (princ-list language-name " language environment" "\n")
1274 (let ((str (get-language-info language-name 'sample-text)))
1277 (princ "Sample text:\n")
1278 (princ-list " " str)
1280 (let ((input-method (get-language-info language-name 'input-method))
1281 (l input-method-alist))
1282 (princ "Input methods")
1284 (princ (format " (default, %s)" input-method))
1285 (setq input-method (assoc input-method input-method-alist))
1286 (setq l (cons input-method (delete input-method l))))
1289 (if (string= language-name (nth 1 (car l)))
1290 (princ-list " " (car (car l))
1291 (format " (`%s' in mode line)" (nth 3 (car l)))))
1294 (princ "Character sets:\n")
1295 (let ((l (get-language-info language-name 'charset)))
1297 (princ-list " nothing specific to " language-name)
1299 (princ-list " " (car l) ": "
1300 (charset-description (car l)))
1303 (princ "Coding systems:\n")
1304 (let ((l (get-language-info language-name 'coding-system)))
1306 (princ-list " nothing specific to " language-name)
1308 (princ (format " %s (`%c' in mode line):\n\t%s\n"
1310 (coding-system-mnemonic (car l))
1311 (coding-system-doc-string (car l))))
1312 (let ((aliases (coding-system-get (car l) 'alias-coding-systems)))
1315 (princ (cons 'alias: (cdr aliases)))
1317 (setq l (cdr l))))))))
1319 ;;; Charset property
1321 (defsubst get-charset-property (charset propname)
1322 "Return the value of CHARSET's PROPNAME property.
1323 This is the last value stored with
1324 (put-charset-property CHARSET PROPNAME VALUE)."
1325 (plist-get (charset-plist charset) propname))
1327 (defsubst put-charset-property (charset propname value)
1328 "Store CHARSETS's PROPNAME property with value VALUE.
1329 It can be retrieved with `(get-charset-property CHARSET PROPNAME)'."
1330 (set-charset-plist charset
1331 (plist-put (charset-plist charset) propname value)))
1333 ;;; Character code property
1334 (put 'char-code-property-table 'char-table-extra-slots 0)
1336 (defvar char-code-property-table
1337 (make-char-table 'char-code-property-table)
1338 "Char-table containing a property list of each character code.
1340 See also the documentation of `get-char-code-property' and
1341 `put-char-code-property'.")
1343 (defun get-char-code-property (char propname)
1344 "Return the value of CHAR's PROPNAME property in `char-code-property-table'."
1345 (let ((plist (aref char-code-property-table char)))
1347 (car (cdr (memq propname plist))))))
1349 (defun put-char-code-property (char propname value)
1350 "Store CHAR's PROPNAME property with VALUE in `char-code-property-table'.
1351 It can be retrieved with `(get-char-code-property CHAR PROPNAME)'."
1352 (let ((plist (aref char-code-property-table char)))
1354 (let ((slot (memq propname plist)))
1356 (setcar (cdr slot) value)
1357 (nconc plist (list propname value))))
1358 (aset char-code-property-table char (list propname value)))))
1360 ;;; mule-cmds.el ends here