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[Emacs-diffs] Changes to emacs/lisp/international/mule-cmds.el [emacs-un
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From: |
Kenichi Handa |
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Subject: |
[Emacs-diffs] Changes to emacs/lisp/international/mule-cmds.el [emacs-unicode-2] |
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Date: |
Mon, 08 Sep 2003 08:54:39 -0400 |
Index: emacs/lisp/international/mule-cmds.el
diff -c /dev/null emacs/lisp/international/mule-cmds.el:1.242.2.1
*** /dev/null Mon Sep 8 08:54:39 2003
--- emacs/lisp/international/mule-cmds.el Mon Sep 8 08:53:40 2003
***************
*** 0 ****
--- 1,2445 ----
+ ;;; mule-cmds.el --- commands for mulitilingual environment
+ ;; Copyright (C) 1995, 2003 Electrotechnical Laboratory, JAPAN.
+ ;; Licensed to the Free Software Foundation.
+ ;; Copyright (C) 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+ ;; Copyright (C) 2003
+ ;; National Institute of Advanced Industrial Science and Technology (AIST)
+ ;; Registration Number H13PRO009
+
+ ;; Keywords: mule, i18n
+
+ ;; This file is part of GNU Emacs.
+
+ ;; GNU Emacs is free software; you can redistribute it and/or modify
+ ;; it under the terms of the GNU General Public License as published by
+ ;; the Free Software Foundation; either version 2, or (at your option)
+ ;; any later version.
+
+ ;; GNU Emacs is distributed in the hope that it will be useful,
+ ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+ ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ ;; GNU General Public License for more details.
+
+ ;; You should have received a copy of the GNU General Public License
+ ;; along with GNU Emacs; see the file COPYING. If not, write to the
+ ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ ;; Boston, MA 02111-1307, USA.
+
+ ;;; Commentary:
+
+ ;;; Code:
+
+ (eval-when-compile
+ (defvar dos-codepage)
+ (require 'wid-edit))
+
+ ;;; MULE related key bindings and menus.
+
+ (defvar mule-keymap (make-sparse-keymap)
+ "Keymap for Mule (Multilingual environment) specific commands.")
+
+ ;; Keep "C-x C-m ..." for mule specific commands.
+ (define-key ctl-x-map "\C-m" mule-keymap)
+
+ (define-key mule-keymap "f" 'set-buffer-file-coding-system)
+ (define-key mule-keymap "r" 'revert-buffer-with-coding-system)
+ (define-key mule-keymap "F" 'set-file-name-coding-system)
+ (define-key mule-keymap "t" 'set-terminal-coding-system)
+ (define-key mule-keymap "k" 'set-keyboard-coding-system)
+ (define-key mule-keymap "p" 'set-buffer-process-coding-system)
+ (define-key mule-keymap "x" 'set-selection-coding-system)
+ (define-key mule-keymap "X" 'set-next-selection-coding-system)
+ (define-key mule-keymap "\C-\\" 'set-input-method)
+ (define-key mule-keymap "c" 'universal-coding-system-argument)
+ (define-key mule-keymap "l" 'set-language-environment)
+
+ (defvar mule-menu-keymap
+ (make-sparse-keymap "Mule (Multilingual Environment)")
+ "Keymap for Mule (Multilingual environment) menu specific commands.")
+
+ (defvar describe-language-environment-map
+ (make-sparse-keymap "Describe Language Environment"))
+
+ (defvar setup-language-environment-map
+ (make-sparse-keymap "Set Language Environment"))
+
+ (defvar set-coding-system-map
+ (make-sparse-keymap "Set Coding System"))
+
+ (define-key-after mule-menu-keymap [set-language-environment]
+ (list 'menu-item "Set Language Environment" setup-language-environment-map
+ :help "Multilingual environment suitable for a specific language"))
+ (define-key-after mule-menu-keymap [separator-mule]
+ '("--")
+ t)
+ (define-key-after mule-menu-keymap [toggle-input-method]
+ '(menu-item "Toggle Input Method" toggle-input-method)
+ t)
+ (define-key-after mule-menu-keymap [set-input-method]
+ '(menu-item "Select Input Method..." set-input-method)
+ t)
+ (define-key-after mule-menu-keymap [describe-input-method]
+ '(menu-item "Describe Input Method" describe-input-method))
+ (define-key-after mule-menu-keymap [separator-input-method]
+ '("--")
+ t)
+ (define-key-after mule-menu-keymap [set-various-coding-system]
+ (list 'menu-item "Set Coding Systems" set-coding-system-map
+ :enable 'default-enable-multibyte-characters))
+ (define-key-after mule-menu-keymap [view-hello-file]
+ '(menu-item "Show Multi-lingual Text" view-hello-file
+ :enable (file-readable-p
+ (expand-file-name "HELLO" data-directory))
+ :help "Display file which says HELLO in many languages")
+ t)
+ (define-key-after mule-menu-keymap [separator-coding-system]
+ '("--")
+ t)
+ (define-key-after mule-menu-keymap [describe-language-environment]
+ (list 'menu-item "Describe Language Environment"
+ describe-language-environment-map
+ :help "Show multilingual settings for a specific language")
+ t)
+ (define-key-after mule-menu-keymap [describe-input-method]
+ '(menu-item "Describe Input Method..." describe-input-method
+ :help "Keyboard layout for a specific input method")
+ t)
+ (define-key-after mule-menu-keymap [describe-coding-system]
+ '(menu-item "Describe Coding System..." describe-coding-system)
+ t)
+ (define-key-after mule-menu-keymap [list-character-sets]
+ '(menu-item "List Character Sets" list-character-sets
+ :help "Show table of available character sets"))
+ (define-key-after mule-menu-keymap [mule-diag]
+ '(menu-item "Show All of Mule Status" mule-diag
+ :help "Display multilingual environment settings")
+ t)
+
+ (define-key-after set-coding-system-map [universal-coding-system-argument]
+ '(menu-item "For Next Command" universal-coding-system-argument
+ :help "Coding system to be used by next command")
+ t)
+ (define-key-after set-coding-system-map [separator-1]
+ '("--")
+ t)
+ (define-key-after set-coding-system-map [set-buffer-file-coding-system]
+ '(menu-item "For Saving This Buffer" set-buffer-file-coding-system
+ :help "How to encode this buffer when saved")
+ t)
+ (define-key-after set-coding-system-map [revert-buffer-with-coding-system]
+ '(menu-item "For Reverting This File Now" revert-buffer-with-coding-system
+ :enable buffer-file-name
+ :help "Revisit this file immediately using specified coding
system")
+ t)
+ (define-key-after set-coding-system-map [set-file-name-coding-system]
+ '(menu-item "For File Name" set-file-name-coding-system
+ :help "How to decode/encode file names")
+ t)
+ (define-key-after set-coding-system-map [separator-2]
+ '("--")
+ t)
+
+ (define-key-after set-coding-system-map [set-keyboard-coding-system]
+ '(menu-item "For Keyboard" set-keyboard-coding-system
+ :help "How to decode keyboard input")
+ t)
+ (define-key-after set-coding-system-map [set-terminal-coding-system]
+ '(menu-item "For Terminal" set-terminal-coding-system
+ :enable (null (memq window-system '(x w32 mac)))
+ :help "How to encode terminal output")
+ t)
+ (define-key-after set-coding-system-map [separator-3]
+ '("--")
+ t)
+ (define-key-after set-coding-system-map [set-selection-coding-system]
+ '(menu-item "For X Selections/Clipboard" set-selection-coding-system
+ :visible (display-selections-p)
+ :help "How to en/decode data to/from selection/clipboard")
+ t)
+ (define-key-after set-coding-system-map [set-next-selection-coding-system]
+ '(menu-item "For Next X Selection" set-next-selection-coding-system
+ :visible (display-selections-p)
+ :help "How to en/decode next selection/clipboard operation")
+ t)
+ (define-key-after set-coding-system-map [set-buffer-process-coding-system]
+ '(menu-item "For I/O with Subprocess" set-buffer-process-coding-system
+ :visible (fboundp 'start-process)
+ :enable (get-buffer-process (current-buffer))
+ :help "How to en/decode I/O from/to subprocess connected to this
buffer")
+ t)
+
+
+ (define-key setup-language-environment-map
+ [Default] '(menu-item "Default" setup-specified-language-environment))
+
+ (define-key describe-language-environment-map
+ [Default] '(menu-item "Default" describe-specified-language-support))
+
+ ;; This should be a single character key binding because users use it
+ ;; very frequently while editing multilingual text. Now we can use
+ ;; only two such keys: "\C-\\" and "\C-^", but the latter is not
+ ;; convenient because it requires shifting on most keyboards. An
+ ;; alternative is "\C-\]" which is now bound to `abort-recursive-edit'
+ ;; but it won't be used that frequently.
+ (define-key global-map "\C-\\" 'toggle-input-method)
+
+ ;; This is no good because people often type Shift-SPC
+ ;; meaning to type SPC. -- rms.
+ ;; ;; Here's an alternative key binding for X users (Shift-SPACE).
+ ;; (define-key global-map [?\S- ] 'toggle-input-method)
+
+ ;;; Mule related hyperlinks.
+ (defconst help-xref-mule-regexp-template
+ (purecopy (concat "\\(\\<\\("
+ "\\(coding system\\)\\|"
+ "\\(input method\\)\\|"
+ "\\(character set\\)\\|"
+ "\\(charset\\)"
+ "\\)\\s-+\\)?"
+ ;; Note starting with word-syntax character:
+ "`\\(\\sw\\(\\sw\\|\\s_\\)+\\)'")))
+
+ (defun coding-system-change-eol-conversion (coding-system eol-type)
+ "Return a coding system which differs from CODING-SYSTEM in eol conversion.
+ The returned coding system converts end-of-line by EOL-TYPE
+ but text as the same way as CODING-SYSTEM.
+ EOL-TYPE should be `unix', `dos', `mac', or nil.
+ If EOL-TYPE is nil, the returned coding system detects
+ how end-of-line is formatted automatically while decoding.
+
+ EOL-TYPE can be specified by an integer 0, 1, or 2.
+ They means `unix', `dos', and `mac' respectively."
+ (if (symbolp eol-type)
+ (setq eol-type (cond ((eq eol-type 'unix) 0)
+ ((eq eol-type 'dos) 1)
+ ((eq eol-type 'mac) 2)
+ (t eol-type))))
+ (let ((orig-eol-type (coding-system-eol-type coding-system)))
+ (if (vectorp orig-eol-type)
+ (if (not eol-type)
+ coding-system
+ (aref orig-eol-type eol-type))
+ (let ((base (coding-system-base coding-system)))
+ (if (not eol-type)
+ base
+ (if (= eol-type orig-eol-type)
+ coding-system
+ (setq orig-eol-type (coding-system-eol-type base))
+ (if (vectorp orig-eol-type)
+ (aref orig-eol-type eol-type))))))))
+
+ (defun coding-system-change-text-conversion (coding-system coding)
+ "Return a coding system which differs from CODING-SYSTEM in text conversion.
+ The returned coding system converts text by CODING
+ but end-of-line as the same way as CODING-SYSTEM.
+ If CODING is nil, the returned coding system detects
+ how text is formatted automatically while decoding."
+ (let ((eol-type (coding-system-eol-type coding-system)))
+ (coding-system-change-eol-conversion
+ (if coding coding 'undecided)
+ (if (numberp eol-type) (aref [unix dos mac] eol-type)))))
+
+ (defun toggle-enable-multibyte-characters (&optional arg)
+ "Change whether this buffer uses multibyte characters.
+ With arg, use multibyte characters if the arg is positive.
+
+ Note that this command does not convert the byte contents of
+ the buffer; it only changes the way those bytes are interpreted.
+ In general, therefore, this command *changes* the sequence of
+ characters that the current buffer contains.
+
+ We suggest you avoid using use this command unless you know what you
+ are doing. If you use it by mistake, and the buffer is now displayed
+ wrong, use this command again to toggle back to the right mode."
+ (interactive "P")
+ (let ((new-flag
+ (if (null arg) (null enable-multibyte-characters)
+ (> (prefix-numeric-value arg) 0))))
+ (set-buffer-multibyte new-flag))
+ (force-mode-line-update))
+
+ (defun view-hello-file ()
+ "Display the HELLO file which list up many languages and characters."
+ (interactive)
+ ;; We have to decode the file in any environment.
+ (let ((default-enable-multibyte-characters t)
+ (coding-system-for-read 'iso-2022-7bit))
+ (view-file (expand-file-name "HELLO" data-directory))))
+
+ (defun universal-coding-system-argument (coding-system)
+ "Execute an I/O command using the specified coding system."
+ (interactive
+ (let ((default (and buffer-file-coding-system
+ (not (eq (coding-system-type buffer-file-coding-system)
+ 'undecided))
+ buffer-file-coding-system)))
+ (list (read-coding-system
+ (if default
+ (format "Coding system for following command (default, %s): "
default)
+ "Coding system for following command: ")
+ default))))
+ (let* ((keyseq (read-key-sequence
+ (format "Command to execute with %s:" coding-system)))
+ (cmd (key-binding keyseq))
+ prefix)
+
+ (when (eq cmd 'universal-argument)
+ (call-interactively cmd)
+
+ ;; Process keys bound in `universal-argument-map'.
+ (while (progn
+ (setq keyseq (read-key-sequence nil t)
+ cmd (key-binding keyseq t))
+ (not (eq cmd 'universal-argument-other-key)))
+ (let ((current-prefix-arg prefix-arg)
+ ;; Have to bind `last-command-char' here so that
+ ;; `digit-argument', for isntance, can compute the
+ ;; prefix arg.
+ (last-command-char (aref keyseq 0)))
+ (call-interactively cmd)))
+
+ ;; This is the final call to `universal-argument-other-key', which
+ ;; set's the final `prefix-arg.
+ (let ((current-prefix-arg prefix-arg))
+ (call-interactively cmd))
+
+ ;; Read the command to execute with the given prefix arg.
+ (setq prefix prefix-arg
+ keyseq (read-key-sequence nil t)
+ cmd (key-binding keyseq)))
+
+ (let ((coding-system-for-read coding-system)
+ (coding-system-for-write coding-system)
+ (coding-system-require-warning t)
+ (current-prefix-arg prefix))
+ (message "")
+ (call-interactively cmd))))
+
+ (defun set-default-coding-systems (coding-system)
+ "Set default value of various coding systems to CODING-SYSTEM.
+ This sets the following coding systems:
+ o coding system of a newly created buffer
+ o default coding system for subprocess I/O
+ This also sets the following values:
+ o default value used as `file-name-coding-system' for converting file names.
+ o default value for the command `set-terminal-coding-system' (not on MSDOS)
+ o default value for the command `set-keyboard-coding-system'."
+ (check-coding-system coding-system)
+ (setq-default buffer-file-coding-system coding-system)
+ (if default-enable-multibyte-characters
+ (setq default-file-name-coding-system coding-system))
+ ;; If coding-system is nil, honor that on MS-DOS as well, so
+ ;; that they could reset the terminal coding system.
+ (unless (and (eq window-system 'pc) coding-system)
+ (setq default-terminal-coding-system coding-system))
+ (setq default-keyboard-coding-system coding-system)
+ ;; Preserve eol-type from existing default-process-coding-systems.
+ ;; On non-unix-like systems in particular, these may have been set
+ ;; carefully by the user, or by the startup code, to deal with the
+ ;; users shell appropriately, so should not be altered by changing
+ ;; language environment.
+ (let ((output-coding
+ (coding-system-change-text-conversion
+ (car default-process-coding-system) coding-system))
+ (input-coding
+ (coding-system-change-text-conversion
+ (cdr default-process-coding-system) coding-system)))
+ (setq default-process-coding-system
+ (cons output-coding input-coding))))
+
+ (defalias 'update-iso-coding-systems 'update-coding-systems-internal)
+ (make-obsolete 'update-iso-coding-systems 'update-coding-systems-internal
"20.3")
+
+ (defun prefer-coding-system (coding-system)
+ "Add CODING-SYSTEM at the front of the priority list for automatic
detection.
+ This also sets the following coding systems:
+ o coding system of a newly created buffer
+ o default coding system for subprocess I/O
+ This also sets the following values:
+ o default value used as `file-name-coding-system' for converting file names.
+ o default value for the command `set-terminal-coding-system' (not on MSDOS)
+ o default value for the command `set-keyboard-coding-system'
+
+ If CODING-SYSTEM specifies a certain type of EOL conversion, the coding
+ systems set by this function will use that type of EOL conversion.
+
+ This command does not change the default value of terminal coding system
+ for MS-DOS terminal, because DOS terminals only support a single coding
+ system, and Emacs automatically sets the default to that coding system at
+ startup.
+
+ A coding system that requires automatic detection of text
+ +encoding (e.g. undecided, unix) can't be preferred.."
+ (interactive "zPrefer coding system: ")
+ (if (not (and coding-system (coding-system-p coding-system)))
+ (error "Invalid coding system `%s'" coding-system))
+ (if (memq (coding-system-type coding-system) '(raw-text undecided))
+ (error "Can't prefer the coding system `%s'" coding-system))
+ (let ((base (coding-system-base coding-system))
+ (eol-type (coding-system-eol-type coding-system)))
+ (set-coding-system-priority base)
+ (and (interactive-p)
+ (or (eq base coding-system)
+ (message "Highest priority is set to %s (base of %s)"
+ base coding-system)))
+ ;; If they asked for specific EOL conversion, honor that.
+ (if (memq eol-type '(0 1 2))
+ (setq base
+ (coding-system-change-eol-conversion base eol-type)))
+ (set-default-coding-systems base)))
+
+ (defvar sort-coding-systems-predicate nil
+ "If non-nil, a predicate function to sort coding systems.
+
+ It is called with two coding systems, and should return t if the first
+ one is \"less\" than the second.
+
+ The function `sort-coding-systems' use it.")
+
+ (defun sort-coding-systems (codings)
+ "Sort coding system list CODINGS by a priority of each coding system.
+
+ If a coding system is most preferred, it has the highest priority.
+ Otherwise, a coding system corresponds to some MIME charset has higher
+ priorities. Among them, a coding system included in `coding-system'
+ key of the current language environment has higher priorities. See
+ also the documentation of `language-info-alist'.
+
+ If the variable `sort-coding-systems-predicate' (which see) is
+ non-nil, it is used to sort CODINGS in the different way than above."
+ (if sort-coding-systems-predicate
+ (sort codings sort-coding-systems-predicate)
+ (let* ((from-priority (coding-system-priority-list))
+ (most-preferred (car from-priority))
+ (lang-preferred (get-language-info current-language-environment
+ 'coding-system))
+ (func (function
+ (lambda (x)
+ (let ((base (coding-system-base x)))
+ ;; We calculate the priority number 0..255 by
+ ;; using the 8 bits PMMLCEII as this:
+ ;; P: 1 iff most preferred.
+ ;; MM: greater than 0 iff mime-charset.
+ ;; L: 1 iff one of the current lang. env.'s codings.
+ ;; C: 1 iff one of codings listed in the category list.
+ ;; E: 1 iff not XXX-with-esc
+ ;; II: if iso-2022 based, 0..3, else 1.
+ (logior
+ (lsh (if (eq base most-preferred) 1 0) 7)
+ (lsh
+ (let ((mime (coding-system-get base :mime-charset)))
+ ;; Prefer coding systems corresponding to a
+ ;; MIME charset.
+ (if mime
+ ;; Lower utf-16 priority so that we
+ ;; normally prefer utf-8 to it, and put
+ ;; x-ctext below that.
+ (cond ((string-match "utf-16"
+ (symbol-name mime))
+ 2)
+ ((string-match "^x-" (symbol-name mime))
+ 1)
+ (t 3))
+ 0))
+ 5)
+ (lsh (if (memq base lang-preferred) 1 0) 4)
+ (lsh (if (memq base from-priority) 1 0) 3)
+ (lsh (if (string-match "-with-esc\\'"
+ (symbol-name base))
+ 0 1) 2)
+ (if (eq (coding-system-type base) 'iso-2022)
+ (let ((category (coding-system-category base)))
+ ;; For ISO based coding systems, prefer
+ ;; one that doesn't use designation nor
+ ;; locking/single shifting.
+ (cond
+ ((or (eq category 'coding-category-iso-8-1)
+ (eq category 'coding-category-iso-8-2))
+ 2)
+ ((or (eq category 'coding-category-iso-7-tight)
+ (eq category 'coding-category-iso-7))
+ 1)
+ (t
+ 0)))
+ 1)
+ ))))))
+ (sort codings (function (lambda (x y)
+ (> (funcall func x) (funcall func y))))))))
+
+ (defun find-coding-systems-region (from to)
+ "Return a list of proper coding systems to encode a text between FROM and
TO.
+
+ If FROM is a string, find coding systems in that instead of the buffer.
+ All coding systems in the list can safely encode any multibyte characters
+ in the text.
+
+ If the text contains no multibyte characters, return a list of a single
+ element `undecided'."
+ (let ((codings (find-coding-systems-region-internal from to)))
+ (if (eq codings t)
+ ;; The text contains only ASCII characters. Any coding
+ ;; systems are safe.
+ '(undecided)
+ ;; We need copy-sequence because sorting will alter the argument.
+ (sort-coding-systems (copy-sequence codings)))))
+
+ (defun find-coding-systems-string (string)
+ "Return a list of proper coding systems to encode STRING.
+ All coding systems in the list can safely encode any multibyte characters
+ in STRING.
+
+ If STRING contains no multibyte characters, return a list of a single
+ element `undecided'."
+ (find-coding-systems-region string nil))
+
+ (defun find-coding-systems-for-charsets (charsets)
+ "Return a list of proper coding systems to encode characters of CHARSETS.
+ CHARSETS is a list of character sets.
+
+ This only finds coding systems of type `charset', whose
+ `:charset-list' property includes all of CHARSETS (plus `ascii' for
+ ascii-compatible coding systems). It was used in older versions of
+ Emacs, but is unlikely to be what you really want now."
+ ;; Deal with aliases.
+ (setq charsets (mapcar (lambda (c)
+ (get-charset-property c :name))
+ charsets))
+ (cond ((or (null charsets)
+ (and (= (length charsets) 1)
+ (eq 'ascii (car charsets))))
+ '(undecided))
+ ((or (memq 'eight-bit-control charsets)
+ (memq 'eight-bit-graphic charsets))
+ '(raw-text utf-8-emacs))
+ (t
+ (let (codings)
+ (dolist (cs (coding-system-list t))
+ (let ((cs-charsets (and (eq (coding-system-type cs) 'charset)
+ (coding-system-charset-list cs)))
+ (charsets charsets))
+ (if (coding-system-get cs :ascii-compatible-p)
+ (add-to-list 'cs-charsets 'ascii))
+ (if (catch 'ok
+ (when cs-charsets
+ (while charsets
+ (unless (memq (pop charsets) cs-charsets)
+ (throw 'ok nil)))
+ t))
+ (push cs codings))))
+ (nreverse codings)))))
+
+ (defun find-multibyte-characters (from to &optional maxcount excludes)
+ "Find multibyte characters in the region specified by FROM and TO.
+ If FROM is a string, find multibyte characters in the string.
+ The return value is an alist of the following format:
+ ((CHARSET COUNT CHAR ...) ...)
+ where
+ CHARSET is a character set,
+ COUNT is a number of characters,
+ CHARs are the characters found from the character set.
+ Optional 3rd arg MAXCOUNT limits how many CHARs are put in the above list.
+ Optional 4th arg EXCLUDE is a list of character sets to be ignored."
+ (let ((chars nil)
+ charset char)
+ (if (stringp from)
+ (if (multibyte-string-p from)
+ (let ((idx 0))
+ (while (setq idx (string-match "[^\000-\177]" from idx))
+ (setq char (aref from idx)
+ charset (char-charset char))
+ (unless (memq charset excludes)
+ (let ((slot (assq charset chars)))
+ (if slot
+ (if (not (memq char (nthcdr 2 slot)))
+ (let ((count (nth 1 slot)))
+ (setcar (cdr slot) (1+ count))
+ (if (or (not maxcount) (< count maxcount))
+ (nconc slot (list char)))))
+ (setq chars (cons (list charset 1 char) chars)))))
+ (setq idx (1+ idx)))))
+ (if enable-multibyte-characters
+ (save-excursion
+ (goto-char from)
+ (while (re-search-forward "[^\000-\177]" to t)
+ (setq char (preceding-char)
+ charset (char-charset char))
+ (unless (memq charset excludes)
+ (let ((slot (assq charset chars)))
+ (if slot
+ (if (not (member char (nthcdr 2 slot)))
+ (let ((count (nth 1 slot)))
+ (setcar (cdr slot) (1+ count))
+ (if (or (not maxcount) (< count maxcount))
+ (nconc slot (list char)))))
+ (setq chars (cons (list charset 1 char) chars)))))))))
+ (nreverse chars)))
+
+ (defun search-unencodable-char (coding-system)
+ "Search forward from point for a character that is not encodable.
+ It asks which coding system to check.
+ If such a character is found, set point after that character.
+ Otherwise, don't move point.
+
+ When called from a program, the value is a position of the found character,
+ or nil if all characters are encodable."
+ (interactive
+ (list (let ((default (or buffer-file-coding-system 'us-ascii)))
+ (read-coding-system
+ (format "Coding-system (default, %s): " default)
+ default))))
+ (let ((pos (unencodable-char-position (point) (point-max) coding-system)))
+ (if pos
+ (goto-char (1+ pos))
+ (message "All following characters are encodable by %s" coding-system))
+ pos))
+
+ (defvar last-coding-system-specified nil
+ "Most recent coding system explicitly specified by the user when asked.
+ This variable is set whenever Emacs asks the user which coding system
+ to use in order to write a file. If you set it to nil explicitly,
+ then call `write-region', then afterward this variable will be non-nil
+ only if the user was explicitly asked and specified a coding system.")
+
+ (defvar select-safe-coding-system-accept-default-p nil
+ "If non-nil, a function to control the behaviour of coding system selection.
+ The meaning is the same as the argument ACCEPT-DEFAULT-P of the
+ function `select-safe-coding-system' (which see). This variable
+ overrides that argument.")
+
+ (defun select-safe-coding-system (from to &optional default-coding-system
+ accept-default-p file)
+ "Ask a user to select a safe coding system from candidates.
+ The candidates of coding systems which can safely encode a text
+ between FROM and TO are shown in a popup window. Among them, the most
+ proper one is suggested as the default.
+
+ The list of `buffer-file-coding-system' of the current buffer,
+ the `default-buffer-file-coding-system', and the
+ most preferred coding system (if it corresponds to a MIME charset) is
+ treated as the default coding system list. Among them, the first one
+ that safely encodes the text is normally selected silently and
+ returned without any user interaction. See also the command
+ `prefer-coding-system'.
+
+ However, the user is queried if the chosen coding system is
+ inconsistent with what would be selected by `set-auto-coding' from
+ coding cookies &c. if the contents of the region were read from a
+ file. (That could lead to data corruption in a file subsequently
+ re-visited and edited.)
+
+ Optional 3rd arg DEFAULT-CODING-SYSTEM specifies a coding system or a
+ list of coding systems to be prepended to the default coding system
+ list. However, if DEFAULT-CODING-SYSTEM is a list and the first
+ element is t, the cdr part is used as the defualt coding system list,
+ i.e. `buffer-file-coding-system', `default-buffer-file-coding-system',
+ and the most preferred coding system are not used.
+
+ Optional 4th arg ACCEPT-DEFAULT-P, if non-nil, is a function to
+ determine the acceptability of the silently selected coding system.
+ It is called with that coding system, and should return nil if it
+ should not be silently selected and thus user interaction is required.
+
+ Optional 5th arg FILE is the file name to use for this purpose.
+ That is different from `buffer-file-name' when handling `write-region'
+ \(for example).
+
+ The variable `select-safe-coding-system-accept-default-p', if
+ non-nil, overrides ACCEPT-DEFAULT-P.
+
+ Kludgy feature: if FROM is a string, the string is the target text,
+ and TO is ignored."
+ (if (and default-coding-system
+ (not (listp default-coding-system)))
+ (setq default-coding-system (list default-coding-system)))
+
+ (let ((no-other-defaults nil))
+ (if (eq (car default-coding-system) t)
+ (setq no-other-defaults t
+ default-coding-system (cdr default-coding-system)))
+
+ ;; Change elements of the list to (coding . base-coding).
+ (setq default-coding-system
+ (mapcar (function (lambda (x) (cons x (coding-system-base x))))
+ default-coding-system))
+
+ ;; From now on, the list of defaults is reversed.
+ (setq default-coding-system (nreverse default-coding-system))
+
+ (unless no-other-defaults
+ ;; If buffer-file-coding-system is not nil nor undecided, append it
+ ;; to the defaults.
+ (if buffer-file-coding-system
+ (let ((base (coding-system-base buffer-file-coding-system)))
+ (or (eq base 'undecided)
+ (rassq base default-coding-system)
+ (push (cons buffer-file-coding-system base)
+ default-coding-system))))
+
+ ;; If default-buffer-file-coding-system is not nil nor undecided,
+ ;; append it to the defaults.
+ (if default-buffer-file-coding-system
+ (let ((base (coding-system-base default-buffer-file-coding-system)))
+ (or (eq base 'undecided)
+ (rassq base default-coding-system)
+ (push (cons default-buffer-file-coding-system base)
+ default-coding-system))))
+
+ ;; If the most preferred coding system has the property mime-charset,
+ ;; append it to the defaults.
+ (let ((preferred (coding-system-priority-list t))
+ base)
+ (and (coding-system-p preferred)
+ (setq base (coding-system-base preferred))
+ (coding-system-get preferred :mime-charset)
+ (not (rassq base default-coding-system))
+ (push (cons preferred base)
+ default-coding-system)))))
+
+ (if select-safe-coding-system-accept-default-p
+ (setq accept-default-p select-safe-coding-system-accept-default-p))
+
+ (let ((codings (find-coding-systems-region from to))
+ (coding-system nil)
+ (bufname (buffer-name))
+ safe rejected unsafe)
+ (if (eq (car codings) 'undecided)
+ ;; Any coding system is ok.
+ (setq coding-system t)
+ ;; Classify the defaults into safe, rejected, and unsafe.
+ (dolist (elt default-coding-system)
+ (if (memq (cdr elt) codings)
+ (if (and (functionp accept-default-p)
+ (not (funcall accept-default-p (cdr elt))))
+ (push (car elt) rejected)
+ (push (car elt) safe))
+ (push (car elt) unsafe)))
+ (if safe
+ (setq coding-system (car safe))))
+
+ ;; If all the defaults failed, ask a user.
+ (when (not coding-system)
+ ;; At first, if some defaults are unsafe, record at most 11
+ ;; problematic characters and their positions for them by turning
+ ;; (CODING ...)
+ ;; into
+ ;; ((CODING (POS . CHAR) (POS . CHAR) ...) ...)
+ (if unsafe
+ (if (stringp from)
+ (setq unsafe
+ (mapcar #'(lambda (coding)
+ (cons coding
+ (mapcar #'(lambda (pos)
+ (cons pos (aref from pos)))
+ (unencodable-char-position
+ 0 (length from) coding
+ 11 from))))
+ unsafe))
+ (setq unsafe
+ (mapcar #'(lambda (coding)
+ (cons coding
+ (mapcar #'(lambda (pos)
+ (cons pos (char-after pos)))
+ (unencodable-char-position
+ from to coding 11))))
+ unsafe))))
+
+ ;; Change each safe coding system to the corresponding
+ ;; mime-charset name if it is also a coding system. Such a name
+ ;; is more friendly to users.
+ (let ((l codings)
+ mime-charset)
+ (while l
+ (setq mime-charset (coding-system-get (car l) :mime-charset))
+ (if (and mime-charset (coding-system-p mime-charset)
+ (coding-system-equal (car l) mime-charset))
+ (setcar l mime-charset))
+ (setq l (cdr l))))
+
+ ;; Don't offer variations with locking shift, which you
+ ;; basically never want.
+ (let (l)
+ (dolist (elt codings (setq codings (nreverse l)))
+ (unless (or (eq 'coding-category-iso-7-else
+ (coding-system-category elt))
+ (eq 'coding-category-iso-8-else
+ (coding-system-category elt)))
+ (push elt l))))
+
+ ;; Remove raw-text, emacs-mule and no-conversion unless nothing
+ ;; else is available.
+ (setq codings
+ (or (delq 'raw-text
+ (delq 'emacs-mule
+ (delq 'no-conversion codings)))
+ '(raw-text emacs-mule no-conversion)))
+
+ (let ((window-configuration (current-window-configuration)))
+ (save-excursion
+ ;; If some defaults are unsafe, make sure the offending
+ ;; buffer is displayed.
+ (when (and unsafe (not (stringp from)))
+ (pop-to-buffer bufname)
+ (goto-char (apply 'min (mapcar #'(lambda (x) (car (cadr x)))
+ unsafe))))
+ ;; Then ask users to select one from CODINGS while showing
+ ;; the reason why none of the defaults are not used.
+ (with-output-to-temp-buffer "*Warning*"
+ (save-excursion
+ (set-buffer standard-output)
+ (if (not default-coding-system)
+ (insert "No default coding systems to try for "
+ (if (stringp from)
+ (format "string \"%s\"." from)
+ (format "buffer `%s'." bufname)))
+ (insert
+ "These default coding systems were tried to encode"
+ (if (stringp from)
+ (concat " \"" (if (> (length from) 10)
+ (concat (substring from 0 10) "...\"")
+ (concat from "\"")))
+ (format " text\nin the buffer `%s'" bufname))
+ ":\n")
+ (let ((pos (point))
+ (fill-prefix " "))
+ (mapc #'(lambda (x) (princ " ") (princ (car x)))
+ default-coding-system)
+ (insert "\n")
+ (fill-region-as-paragraph pos (point)))
+ (when rejected
+ (insert "These safely encodes the target text,
+ but it is not recommended for encoding text in this context,
+ e.g., for sending an email message.\n ")
+ (mapc #'(lambda (x) (princ " ") (princ x)) rejected)
+ (insert "\n"))
+ (when unsafe
+ (insert (if rejected "And the others"
+ "However, each of them")
+ " encountered these problematic characters:\n")
+ (mapc
+ #'(lambda (coding)
+ (insert (format " %s:" (car coding)))
+ (let ((i 0)
+ (func1
+ #'(lambda (bufname pos)
+ (when (buffer-live-p (get-buffer bufname))
+ (pop-to-buffer bufname)
+ (goto-char pos))))
+ (func2
+ #'(lambda (bufname pos coding)
+ (when (buffer-live-p (get-buffer bufname))
+ (pop-to-buffer bufname)
+ (if (< (point) pos)
+ (goto-char pos)
+ (forward-char 1)
+ (search-unencodable-char coding)
+ (forward-char -1))))))
+ (dolist (elt (cdr coding))
+ (insert " ")
+ (if (stringp from)
+ (insert (if (< i 10) (cdr elt) "..."))
+ (if (< i 10)
+ (insert-text-button
+ (cdr elt)
+ :type 'help-xref
+ 'help-echo
+ "mouse-2, RET: jump to this character"
+ 'help-function func1
+ 'help-args (list bufname (car elt)))
+ (insert-text-button
+ "..."
+ :type 'help-xref
+ 'help-echo
+ "mouse-2, RET: next unencodable character"
+ 'help-function func2
+ 'help-args (list bufname (car elt)
+ (car coding)))))
+ (setq i (1+ i))))
+ (insert "\n"))
+ unsafe)
+ (insert "\
+ The first problematic character is at point in the displayed buffer,\n"
+ (substitute-command-keys "\
+ and \\[universal-argument] \\[what-cursor-position] will give information
about it.\n"))))
+ (insert (if safe
+ "\nSelect the above, or "
+ "\nSelect ")
+ "\
+ one of the following safe coding systems, or edit the buffer:\n")
+ (let ((pos (point))
+ (fill-prefix " "))
+ (mapcar (function (lambda (x) (princ " ") (princ x)))
+ codings)
+ (insert "\n")
+ (fill-region-as-paragraph pos (point)))
+ (insert "Or specify any other coding system
+ on your risk of losing the problematic characters.\n")))
+
+ ;; Read a coding system.
+ (setq default-coding-system (or (car safe) (car codings)))
+ (setq coding-system
+ (read-coding-system
+ (format "Select coding system (default %s): "
+ default-coding-system)
+ default-coding-system))
+ (setq last-coding-system-specified coding-system))
+
+ (kill-buffer "*Warning*")
+ (set-window-configuration window-configuration)))
+
+ (if (vectorp (coding-system-eol-type coding-system))
+ (let ((eol (coding-system-eol-type buffer-file-coding-system)))
+ (if (numberp eol)
+ (setq coding-system
+ (coding-system-change-eol-conversion coding-system eol)))))
+
+ (if (eq coding-system t)
+ (setq coding-system buffer-file-coding-system))
+ ;; Check we're not inconsistent with what `coding:' spec &c would
+ ;; give when file is re-read.
+ ;; But don't do this if we explicitly ignored the cookie
+ ;; by using `find-file-literally'.
+ (unless (or (stringp from) find-file-literally)
+ (let ((auto-cs (save-excursion
+ (save-restriction
+ (widen)
+ (narrow-to-region from to)
+ (goto-char (point-min))
+ (set-auto-coding (or file buffer-file-name "")
+ (buffer-size))))))
+ (if (and auto-cs coding-system
+ ;; Don't barf if writing a compressed file, say.
+ ;; This check perhaps isn't ideal, but is probably
+ ;; the best thing to do.
+ (not (auto-coding-alist-lookup (or file buffer-file-name "")))
+ (not (coding-system-equal (coding-system-base coding-system)
+ (coding-system-base auto-cs))))
+ (unless (yes-or-no-p
+ (format "Selected encoding %s disagrees with \
+ %s specified by file contents. Really save (else edit coding cookies \
+ and try again)? " coding-system auto-cs))
+ (error "Save aborted")))))
+ coding-system))
+
+ (setq select-safe-coding-system-function 'select-safe-coding-system)
+
+ (defun select-message-coding-system ()
+ "Return a coding system to encode the outgoing message of the current
buffer.
+ It at first tries the first coding system found in these variables
+ in this order:
+ (1) local value of `buffer-file-coding-system'
+ (2) value of `sendmail-coding-system'
+ (3) value of `default-sendmail-coding-system'
+ (4) value of `default-buffer-file-coding-system'
+ If the found coding system can't encode the current buffer,
+ or none of them are bound to a coding system,
+ it asks the user to select a proper coding system."
+ (let ((coding (or (and (local-variable-p 'buffer-file-coding-system)
+ buffer-file-coding-system)
+ sendmail-coding-system
+ default-sendmail-coding-system
+ default-buffer-file-coding-system)))
+ (if (eq coding 'no-conversion)
+ ;; We should never use no-conversion for outgoing mail.
+ (setq coding nil))
+ (if (fboundp select-safe-coding-system-function)
+ (funcall select-safe-coding-system-function
+ (point-min) (point-max) coding
+ (function (lambda (x) (coding-system-get x :mime-charset))))
+ coding)))
+
+ ;;; Language support stuff.
+
+ (defvar language-info-alist nil
+ "Alist of language environment definitions.
+ Each element looks like:
+ (LANGUAGE-NAME . ((KEY . INFO) ...))
+ where LANGUAGE-NAME is a string, the name of the language environment,
+ KEY is a symbol denoting the kind of information, and
+ INFO is the data associated with KEY.
+ Meaningful values for KEY include
+
+ documentation value is documentation of what this language environment
+ is meant for, and how to use it.
+ charset value is a list of the character sets mainly used
+ by this language environment.
+ sample-text value is an expression which is evalled to generate
+ a line of text written using characters appropriate
+ for this language environment.
+ setup-function value is a function to call to switch to this
+ language environment.
+ exit-function value is a function to call to leave this
+ language environment.
+ coding-system value is a list of coding systems that are good
+ for saving text written in this language environment.
+ This list serves as suggestions to the user;
+ in effect, as a kind of documentation.
+ coding-priority value is a list of coding systems for this language
+ environment, in order of decreasing priority.
+ This is used to set up the coding system priority
+ list when you switch to this language environment.
+ nonascii-translation
+ value is a charset of dimension one to use for
+ converting a unibyte character to multibyte
+ and vice versa.
+ input-method value is a default input method for this language
+ environment.
+ features value is a list of features requested in this
+ language environment.
+
+ The following keys take effect only when multibyte characters are
+ globally disabled, i.e. the value of `default-enable-multibyte-characters'
+ is nil.
+
+ unibyte-display value is a coding system to encode characters
+ for the terminal. Characters in the range
+ of 160 to 255 display not as octal escapes,
+ but as non-ASCII characters in this language
+ environment.")
+
+ (defun get-language-info (lang-env key)
+ "Return information listed under KEY for language environment LANG-ENV.
+ KEY is a symbol denoting the kind of information.
+ For a list of useful values for KEY and their meanings,
+ see `language-info-alist'."
+ (if (symbolp lang-env)
+ (setq lang-env (symbol-name lang-env)))
+ (let ((lang-slot (assoc-ignore-case lang-env language-info-alist)))
+ (if lang-slot
+ (cdr (assq key (cdr lang-slot))))))
+
+ (defun set-language-info (lang-env key info)
+ "Modify part of the definition of language environment LANG-ENV.
+ Specifically, this stores the information INFO under KEY
+ in the definition of this language environment.
+ KEY is a symbol denoting the kind of information.
+ INFO is the value for that information.
+
+ For a list of useful values for KEY and their meanings,
+ see `language-info-alist'."
+ (if (symbolp lang-env)
+ (setq lang-env (symbol-name lang-env)))
+ (let (lang-slot key-slot)
+ (setq lang-slot (assoc lang-env language-info-alist))
+ (if (null lang-slot) ; If no slot for the language, add it.
+ (setq lang-slot (list lang-env)
+ language-info-alist (cons lang-slot language-info-alist)))
+ (setq key-slot (assq key lang-slot))
+ (if (null key-slot) ; If no slot for the key, add
it.
+ (progn
+ (setq key-slot (list key))
+ (setcdr lang-slot (cons key-slot (cdr lang-slot)))))
+ (setcdr key-slot (purecopy info))
+ ;; Update the custom-type of `current-language-environment'.
+ (put 'current-language-environment 'custom-type
+ (cons 'choice (mapcar
+ (lambda (lang)
+ (list 'const lang))
+ (sort (mapcar 'car language-info-alist) 'string<))))))
+
+ (defun set-language-info-alist (lang-env alist &optional parents)
+ "Store ALIST as the definition of language environment LANG-ENV.
+ ALIST is an alist of KEY and INFO values. See the documentation of
+ `language-info-alist' for the meanings of KEY and INFO.
+
+ Optional arg PARENTS is a list of parent menu names; it specifies
+ where to put this language environment in the
+ Describe Language Environment and Set Language Environment menus.
+ For example, (\"European\") means to put this language environment
+ in the European submenu in each of those two menus."
+ (if (symbolp lang-env)
+ (setq lang-env (symbol-name lang-env)))
+ (let ((describe-map describe-language-environment-map)
+ (setup-map setup-language-environment-map))
+ (if parents
+ (let ((l parents)
+ map parent-symbol parent prompt)
+ (while l
+ (if (symbolp (setq parent-symbol (car l)))
+ (setq parent (symbol-name parent))
+ (setq parent parent-symbol parent-symbol (intern parent)))
+ (setq map (lookup-key describe-map (vector parent-symbol)))
+ ;; This prompt string is for define-prefix-command, so
+ ;; that the map it creates will be suitable for a menu.
+ (or map (setq prompt (format "%s Environment" parent)))
+ (if (not map)
+ (progn
+ (setq map (intern (format "describe-%s-environment-map"
+ (downcase parent))))
+ (define-prefix-command map nil prompt)
+ (define-key-after describe-map (vector parent-symbol)
+ (cons parent map) t)))
+ (setq describe-map (symbol-value map))
+ (setq map (lookup-key setup-map (vector parent-symbol)))
+ (if (not map)
+ (progn
+ (setq map (intern (format "setup-%s-environment-map"
+ (downcase parent))))
+ (define-prefix-command map nil prompt)
+ (define-key-after setup-map (vector parent-symbol)
+ (cons parent map) t)))
+ (setq setup-map (symbol-value map))
+ (setq l (cdr l)))))
+
+ ;; Set up menu items for this language env.
+ (let ((doc (assq 'documentation alist)))
+ (when doc
+ (define-key-after describe-map (vector (intern lang-env))
+ (cons lang-env 'describe-specified-language-support) t)))
+ (define-key-after setup-map (vector (intern lang-env))
+ (cons lang-env 'setup-specified-language-environment) t)
+
+ (while alist
+ (set-language-info lang-env (car (car alist)) (cdr (car alist)))
+ (setq alist (cdr alist)))))
+
+ (defun read-language-name (key prompt &optional default)
+ "Read a language environment name which has information for KEY.
+ If KEY is nil, read any language environment.
+ Prompt with PROMPT. DEFAULT is the default choice of language environment.
+ This returns a language environment name as a string."
+ (let* ((completion-ignore-case t)
+ (name (completing-read prompt
+ language-info-alist
+ (and key
+ (function (lambda (elm) (and (listp elm)
(assq key elm)))))
+ t nil nil default)))
+ (if (and (> (length name) 0)
+ (or (not key)
+ (get-language-info name key)))
+ name)))
+
+ ;;; Multilingual input methods.
+ (defgroup leim nil
+ "LEIM: Libraries of Emacs Input Methods."
+ :group 'mule)
+
+ (defconst leim-list-file-name "leim-list.el"
+ "Name of LEIM list file.
+ This file contains a list of libraries of Emacs input methods (LEIM)
+ in the format of Lisp expression for registering each input method.
+ Emacs loads this file at startup time.")
+
+ (defvar leim-list-header (format
+ ";;; %s -- list of LEIM (Library of Emacs Input Method) -*-coding:
iso-2022-7bit;-*-
+ ;;
+ ;; This file contains a list of LEIM (Library of Emacs Input Method)
+ ;; methods in the same directory as this file. Loading this file
+ ;; registers all the input methods in Emacs.
+ ;;
+ ;; Each entry has the form:
+ ;; (register-input-method
+ ;; INPUT-METHOD LANGUAGE-NAME ACTIVATE-FUNC
+ ;; TITLE DESCRIPTION
+ ;; ARG ...)
+ ;; See the function `register-input-method' for the meanings of the arguments.
+ ;;
+ ;; If this directory is included in load-path, Emacs automatically
+ ;; loads this file at startup time.
+
+ "
+ leim-list-file-name)
+ "Header to be inserted in LEIM list file.")
+
+ (defvar leim-list-entry-regexp "^(register-input-method"
+ "Regexp matching head of each entry in LEIM list file.
+ See also the variable `leim-list-header'")
+
+ (defvar update-leim-list-functions
+ '(quail-update-leim-list-file)
+ "List of functions to call to update LEIM list file.
+ Each function is called with one arg, LEIM directory name.")
+
+ (defun update-leim-list-file (&rest dirs)
+ "Update LEIM list file in directories DIRS."
+ (let ((functions update-leim-list-functions))
+ (while functions
+ (apply (car functions) dirs)
+ (setq functions (cdr functions)))))
+
+ (defvar current-input-method nil
+ "The current input method for multilingual text.
+ If nil, that means no input method is activated now.")
+ (make-variable-buffer-local 'current-input-method)
+ (put 'current-input-method 'permanent-local t)
+
+ (defvar current-input-method-title nil
+ "Title string of the current input method shown in mode line.")
+ (make-variable-buffer-local 'current-input-method-title)
+ (put 'current-input-method-title 'permanent-local t)
+
+ (defcustom default-input-method nil
+ "*Default input method for multilingual text (a string).
+ This is the input method activated automatically by the command
+ `toggle-input-method' (\\[toggle-input-method])."
+ :link '(custom-manual "(emacs)Input Methods")
+ :group 'mule
+ :type '(choice (const nil) (string
+ :completion-ignore-case t
+ :complete-function widget-string-complete
+ :completion-alist input-method-alist
+ :prompt-history input-method-history))
+ :set-after '(current-language-environment))
+
+ (put 'input-method-function 'permanent-local t)
+
+ (defvar input-method-history nil
+ "History list for some commands that read input methods.")
+ (make-variable-buffer-local 'input-method-history)
+ (put 'input-method-history 'permanent-local t)
+
+ (defvar inactivate-current-input-method-function nil
+ "Function to call for inactivating the current input method.
+ Every input method should set this to an appropriate value when activated.
+ This function is called with no argument.
+
+ This function should never change the value of `current-input-method'.
+ It is set to nil by the function `inactivate-input-method'.")
+ (make-variable-buffer-local 'inactivate-current-input-method-function)
+ (put 'inactivate-current-input-method-function 'permanent-local t)
+
+ (defvar describe-current-input-method-function nil
+ "Function to call for describing the current input method.
+ This function is called with no argument.")
+ (make-variable-buffer-local 'describe-current-input-method-function)
+ (put 'describe-current-input-method-function 'permanent-local t)
+
+ (defvar input-method-alist nil
+ "Alist of input method names vs how to use them.
+ Each element has the form:
+ (INPUT-METHOD LANGUAGE-ENV ACTIVATE-FUNC TITLE DESCRIPTION ARGS...)
+ See the function `register-input-method' for the meanings of the elements.")
+
+ (defun register-input-method (input-method lang-env &rest args)
+ "Register INPUT-METHOD as an input method for language environment LANG-ENV.
+ INPUT-METHOD and LANG-ENV are symbols or strings.
+
+ The remaining arguments are:
+ ACTIVATE-FUNC, TITLE, DESCRIPTION, and ARGS...
+ ACTIVATE-FUNC is a function to call to activate this method.
+ TITLE is a string to show in the mode line when this method is active.
+ DESCRIPTION is a string describing this method and what it is good for.
+ The ARGS, if any, are passed as arguments to ACTIVATE-FUNC.
+ All told, the arguments to ACTIVATE-FUNC are INPUT-METHOD and the ARGS.
+
+ This function is mainly used in the file \"leim-list.el\" which is
+ created at Emacs build time, registering all Quail input methods
+ contained in the Emacs distribution.
+
+ In case you want to register a new Quail input method by yourself, be
+ careful to use the same input method title as given in the third
+ parameter of `quail-define-package'. (If the values are different, the
+ string specified in this function takes precedence.)
+
+ The commands `describe-input-method' and `list-input-methods' need
+ these duplicated values to show some information about input methods
+ without loading the relevant Quail packages."
+ (if (symbolp lang-env)
+ (setq lang-env (symbol-name lang-env)))
+ (if (symbolp input-method)
+ (setq input-method (symbol-name input-method)))
+ (let ((info (cons lang-env args))
+ (slot (assoc input-method input-method-alist)))
+ (if slot
+ (setcdr slot info)
+ (setq slot (cons input-method info))
+ (setq input-method-alist (cons slot input-method-alist)))))
+
+ (defun read-input-method-name (prompt &optional default inhibit-null)
+ "Read a name of input method from a minibuffer prompting with PROMPT.
+ If DEFAULT is non-nil, use that as the default,
+ and substitute it into PROMPT at the first `%s'.
+ If INHIBIT-NULL is non-nil, null input signals an error.
+
+ The return value is a string."
+ (if default
+ (setq prompt (format prompt default)))
+ (let* ((completion-ignore-case t)
+ ;; As it is quite normal to change input method in the
+ ;; minibuffer, we must enable it even if
+ ;; enable-recursive-minibuffers is currently nil.
+ (enable-recursive-minibuffers t)
+ ;; This binding is necessary because input-method-history is
+ ;; buffer local.
+ (input-method (completing-read prompt input-method-alist
+ nil t nil 'input-method-history
+ default)))
+ (if (and input-method (symbolp input-method))
+ (setq input-method (symbol-name input-method)))
+ (if (> (length input-method) 0)
+ input-method
+ (if inhibit-null
+ (error "No valid input method is specified")))))
+
+ (defun activate-input-method (input-method)
+ "Switch to input method INPUT-METHOD for the current buffer.
+ If some other input method is already active, turn it off first.
+ If INPUT-METHOD is nil, deactivate any current input method."
+ (if (and input-method (symbolp input-method))
+ (setq input-method (symbol-name input-method)))
+ (if (and current-input-method
+ (not (string= current-input-method input-method)))
+ (inactivate-input-method))
+ (unless (or current-input-method (null input-method))
+ (let ((slot (assoc input-method input-method-alist)))
+ (if (null slot)
+ (error "Can't activate input method `%s'" input-method))
+ (setq current-input-method-title nil)
+ (let ((func (nth 2 slot)))
+ (if (functionp func)
+ (apply (nth 2 slot) input-method (nthcdr 5 slot))
+ (if (and (consp func) (symbolp (car func)) (symbolp (cdr func)))
+ (progn
+ (require (cdr func))
+ (apply (car func) input-method (nthcdr 5 slot)))
+ (error "Can't activate input method `%s'" input-method))))
+ (setq current-input-method input-method)
+ (or (stringp current-input-method-title)
+ (setq current-input-method-title (nth 3 slot)))
+ (unwind-protect
+ (run-hooks 'input-method-activate-hook)
+ (force-mode-line-update)))))
+
+ (defun inactivate-input-method ()
+ "Turn off the current input method."
+ (when current-input-method
+ (if input-method-history
+ (unless (string= current-input-method (car input-method-history))
+ (setq input-method-history
+ (cons current-input-method
+ (delete current-input-method input-method-history))))
+ (setq input-method-history (list current-input-method)))
+ (unwind-protect
+ (funcall inactivate-current-input-method-function)
+ (unwind-protect
+ (run-hooks 'input-method-inactivate-hook)
+ (setq current-input-method nil
+ input-method-function nil
+ current-input-method-title nil)
+ (force-mode-line-update)))))
+
+ (defun set-input-method (input-method)
+ "Select and activate input method INPUT-METHOD for the current buffer.
+ This also sets the default input method to the one you specify.
+ If INPUT-METHOD is nil, this function turns off the input method, and
+ also causes you to be prompted for a name of an input method the next
+ time you invoke \\[toggle-input-method].
+
+ To deactivate the input method interactively, use \\[toggle-input-method].
+ To deactivate it programmatically, use \\[inactivate-input-method]."
+ (interactive
+ (let* ((default (or (car input-method-history) default-input-method)))
+ (list (read-input-method-name
+ (if default "Select input method (default %s): " "Select input
method: ")
+ default t))))
+ (activate-input-method input-method)
+ (setq default-input-method input-method)
+ (when (interactive-p)
+ (customize-mark-as-set 'default-input-method))
+ default-input-method)
+
+ (defun toggle-input-method (&optional arg)
+ "Enable or disable multilingual text input method for the current buffer.
+ Only one input method can be enabled at any time in a given buffer.
+
+ The normal action is to enable an input method if none was
+ enabled, and disable the current one otherwise. Which input method
+ to enable can be determined in various ways--either the one most
+ recently used, or the one specified by `default-input-method', or
+ as a last resort by reading the name of an input method in the
+ minibuffer.
+
+ With a prefix argument, read an input method name with the minibuffer
+ and enable that one. The default is the most recent input method specified
+ \(not including the currently active input method, if any)."
+
+ (interactive "P")
+ (if (and current-input-method (not arg))
+ (inactivate-input-method)
+ (let ((default (or (car input-method-history) default-input-method)))
+ (if (and arg default (equal current-input-method default)
+ (> (length input-method-history) 1))
+ (setq default (nth 1 input-method-history)))
+ (activate-input-method
+ (if (or arg (not default))
+ (progn
+ (read-input-method-name
+ (if default "Input method (default %s): " "Input method: " )
+ default t))
+ default))
+ (unless default-input-method
+ (prog1
+ (setq default-input-method current-input-method)
+ (when (interactive-p)
+ (customize-mark-as-set 'default-input-method)))))))
+
+ (eval-when-compile (autoload 'help-buffer "help-mode"))
+
+ (defun describe-input-method (input-method)
+ "Describe input method INPUT-METHOD."
+ (interactive
+ (list (read-input-method-name
+ "Describe input method (default, current choice): ")))
+ (if (and input-method (symbolp input-method))
+ (setq input-method (symbol-name input-method)))
+ (help-setup-xref (list #'describe-input-method
+ (or input-method current-input-method))
+ (interactive-p))
+
+ (if (null input-method)
+ (describe-current-input-method)
+ (let ((current current-input-method))
+ (condition-case nil
+ (progn
+ (save-excursion
+ (activate-input-method input-method)
+ (describe-current-input-method))
+ (activate-input-method current))
+ (error
+ (activate-input-method current)
+ (help-setup-xref (list #'describe-input-method input-method)
+ (interactive-p))
+ (with-output-to-temp-buffer (help-buffer)
+ (let ((elt (assoc input-method input-method-alist)))
+ (princ (format
+ "Input method: %s (`%s' in mode line) for %s\n %s\n"
+ input-method (nth 3 elt) (nth 1 elt) (nth 4 elt))))))))))
+
+ (defun describe-current-input-method ()
+ "Describe the input method currently in use.
+ This is a subroutine for `describe-input-method'."
+ (if current-input-method
+ (if (and (symbolp describe-current-input-method-function)
+ (fboundp describe-current-input-method-function))
+ (funcall describe-current-input-method-function)
+ (message "No way to describe the current input method `%s'"
+ current-input-method)
+ (ding))
+ (error "No input method is activated now")))
+
+ (defun read-multilingual-string (prompt &optional initial-input input-method)
+ "Read a multilingual string from minibuffer, prompting with string PROMPT.
+ The input method selected last time is activated in minibuffer.
+ If optional second arg INITIAL-INPUT is non-nil, insert it in the minibuffer
+ initially.
+ Optional 3rd argument INPUT-METHOD specifies the input method
+ to be activated instead of the one selected last time. It is a symbol
+ or a string."
+ (setq input-method
+ (or input-method
+ current-input-method
+ default-input-method
+ (read-input-method-name "Input method: " nil t)))
+ (if (and input-method (symbolp input-method))
+ (setq input-method (symbol-name input-method)))
+ (let ((prev-input-method current-input-method))
+ (unwind-protect
+ (progn
+ (activate-input-method input-method)
+ (read-string prompt initial-input nil nil t))
+ (activate-input-method prev-input-method))))
+
+ ;; Variables to control behavior of input methods. All input methods
+ ;; should react to these variables.
+
+ (defcustom input-method-verbose-flag 'default
+ "*A flag to control extra guidance given by input methods.
+ The value should be nil, t, `complex-only', or `default'.
+
+ The extra guidance is done by showing list of available keys in echo
+ area. When you use the input method in the minibuffer, the guidance
+ is shown at the bottom short window (split from the existing window).
+
+ If the value is t, extra guidance is always given, if the value is
+ nil, extra guidance is always suppressed.
+
+ If the value is `complex-only', only complex input methods such as
+ `chinese-py' and `japanese' give extra guidance.
+
+ If the value is `default', complex input methods always give extra
+ guidance, but simple input methods give it only when you are not in
+ the minibuffer.
+
+ See also the variable `input-method-highlight-flag'."
+ :type '(choice (const :tag "Always" t) (const :tag "Never" nil)
+ (const complex-only) (const default))
+ :group 'mule)
+
+ (defcustom input-method-highlight-flag t
+ "*If this flag is non-nil, input methods highlight partially-entered text.
+ For instance, while you are in the middle of a Quail input method sequence,
+ the text inserted so far is temporarily underlined.
+ The underlining goes away when you finish or abort the input method sequence.
+ See also the variable `input-method-verbose-flag'."
+ :type 'boolean
+ :group 'mule)
+
+ (defcustom input-method-activate-hook nil
+ "Normal hook run just after an input method is activated.
+
+ The variable `current-input-method' keeps the input method name
+ just activated."
+ :type 'hook
+ :group 'mule)
+
+ (defcustom input-method-inactivate-hook nil
+ "Normal hook run just after an input method is inactivated.
+
+ The variable `current-input-method' still keeps the input method name
+ just inactivated."
+ :type 'hook
+ :group 'mule)
+
+ (defcustom input-method-after-insert-chunk-hook nil
+ "Normal hook run just after an input method insert some chunk of text."
+ :type 'hook
+ :group 'mule)
+
+ (defvar input-method-exit-on-first-char nil
+ "This flag controls when an input method returns.
+ Usually, the input method does not return while there's a possibility
+ that it may find a different translation if a user types another key.
+ But, it this flag is non-nil, the input method returns as soon as
+ the current key sequence gets long enough to have some valid translation.")
+
+ (defcustom input-method-use-echo-area nil
+ "This flag controls how an input method shows an intermediate key sequence.
+ Usually, the input method inserts the intermediate key sequence,
+ or candidate translations corresponding to the sequence,
+ at point in the current buffer.
+ But, if this flag is non-nil, it displays them in echo area instead."
+ :type 'hook
+ :group 'mule)
+
+ (defvar input-method-exit-on-invalid-key nil
+ "This flag controls the behaviour of an input method on invalid key input.
+ Usually, when a user types a key which doesn't start any character
+ handled by the input method, the key is handled by turning off the
+ input method temporarily. After that key, the input method is re-enabled.
+ But, if this flag is non-nil, the input method is never back on.")
+
+
+ (defcustom set-language-environment-hook nil
+ "Normal hook run after some language environment is set.
+
+ When you set some hook function here, that effect usually should not
+ be inherited to another language environment. So, you had better set
+ another function in `exit-language-environment-hook' (which see) to
+ cancel the effect."
+ :type 'hook
+ :group 'mule)
+
+ (defcustom exit-language-environment-hook nil
+ "Normal hook run after exiting from some language environment.
+ When this hook is run, the variable `current-language-environment'
+ is still bound to the language environment being exited.
+
+ This hook is mainly used for canceling the effect of
+ `set-language-environment-hook' (which-see)."
+ :type 'hook
+ :group 'mule)
+
+ (put 'setup-specified-language-environment 'apropos-inhibit t)
+
+ (defun setup-specified-language-environment ()
+ "Switch to a specified language environment."
+ (interactive)
+ (let (language-name)
+ (if (and (symbolp last-command-event)
+ (or (not (eq last-command-event 'Default))
+ (setq last-command-event 'English))
+ (setq language-name (symbol-name last-command-event)))
+ (prog1
+ (set-language-environment language-name)
+ (customize-mark-as-set 'current-language-environment))
+ (error "Bogus calling sequence"))))
+
+ (defcustom current-language-environment "English"
+ "The last language environment specified with `set-language-environment'.
+ This variable should be set only with \\[customize], which is equivalent
+ to using the function `set-language-environment'."
+ :link '(custom-manual "(emacs)Language Environments")
+ :set (lambda (symbol value) (set-language-environment value))
+ :get (lambda (x)
+ (or (car-safe (assoc-ignore-case
+ (if (symbolp current-language-environment)
+ (symbol-name current-language-environment)
+ current-language-environment)
+ language-info-alist))
+ "English"))
+ ;; custom type will be updated with `set-language-info'.
+ :type (if language-info-alist
+ (cons 'choice (mapcar
+ (lambda (lang)
+ (list 'const lang))
+ (sort (mapcar 'car language-info-alist) 'string<)))
+ 'string)
+ :initialize 'custom-initialize-default
+ :group 'mule)
+
+ (defun reset-language-environment ()
+ "Reset multilingual environment of Emacs to the default status.
+
+ The default status is as follows:
+
+ The default value of `buffer-file-coding-system' is nil.
+ The default coding system for process I/O is nil.
+ The default value for the command `set-terminal-coding-system' is nil.
+ The default value for the command `set-keyboard-coding-system' is nil.
+
+ The order of priorities of coding systems are as follows:
+ utf-8
+ iso-2022-7bit
+ iso-latin-1
+ iso-2022-7bit-lock
+ iso-2022-8bit-ss2
+ emacs-mule
+ raw-text"
+ (interactive)
+ ;; This function formerly set default-enable-multibyte-characters to t,
+ ;; but that is incorrect. It should not alter the unibyte/multibyte choice.
+
+ (set-coding-system-priority
+ 'utf-8
+ 'iso-2022-7bit
+ 'iso-latin-1
+ 'iso-2022-7bit-lock
+ 'iso-2022-8bit-ss2
+ 'emacs-mule
+ 'raw-text)
+
+ (set-default-coding-systems nil)
+ (setq default-sendmail-coding-system 'iso-latin-1)
+ (setq default-file-name-coding-system 'iso-latin-1)
+ ;; Preserve eol-type from existing default-process-coding-systems.
+ ;; On non-unix-like systems in particular, these may have been set
+ ;; carefully by the user, or by the startup code, to deal with the
+ ;; users shell appropriately, so should not be altered by changing
+ ;; language environment.
+ (let ((output-coding
+ ;; When bootstrapping, coding-systems are not defined yet, so
+ ;; we need to catch the error from check-coding-system.
+ (condition-case nil
+ (coding-system-change-text-conversion
+ (car default-process-coding-system) 'undecided)
+ (coding-system-error 'undecided)))
+ (input-coding
+ (condition-case nil
+ (coding-system-change-text-conversion
+ (cdr default-process-coding-system) 'iso-latin-1)
+ (coding-system-error 'iso-latin-1))))
+ (setq default-process-coding-system
+ (cons output-coding input-coding)))
+
+ ;; Don't alter the terminal and keyboard coding systems here.
+ ;; The terminal still supports the same coding system
+ ;; that it supported a minute ago.
+ ;; (set-terminal-coding-system-internal nil)
+ ;; (set-keyboard-coding-system-internal nil)
+
+ (set-unibyte-charset 'iso-8859-1))
+
+ (reset-language-environment)
+
+ (defun set-display-table-and-terminal-coding-system (language-name)
+ "Set up the display table and terminal coding system for LANGUAGE-NAME."
+ (let ((coding (get-language-info language-name 'unibyte-display)))
+ (if coding
+ (standard-display-european-internal)
+ ;; The following 2 lines undo the 8-bit display that we set up
+ ;; in standard-display-european-internal, which see. This is in
+ ;; case the user has used standard-display-european earlier in
+ ;; this session. (The MS-DOS port doesn't use that setup, so it
+ ;; doesn't need to undo it.)
+ (when standard-display-table
+ (dotimes (i 128)
+ (aset standard-display-table (+ i 128) nil))))
+ (or (eq window-system 'pc)
+ (set-terminal-coding-system coding))))
+
+ (defun set-language-environment (language-name)
+ "Set up multi-lingual environment for using LANGUAGE-NAME.
+ This sets the coding system priority and the default input method
+ and sometimes other things. LANGUAGE-NAME should be a string
+ which is the name of a language environment. For example, \"Latin-1\"
+ specifies the character set for the major languages of Western Europe."
+ (interactive (list (read-language-name
+ nil
+ "Set language environment (default, English): ")))
+ (if language-name
+ (if (symbolp language-name)
+ (setq language-name (symbol-name language-name)))
+ (setq language-name "English"))
+ (let ((slot (assoc-ignore-case language-name language-info-alist)))
+ (unless slot
+ (error "Language environment not defined: %S" language-name))
+ (setq language-name (car slot)))
+ (if current-language-environment
+ (let ((func (get-language-info current-language-environment
+ 'exit-function)))
+ (run-hooks 'exit-language-environment-hook)
+ (if (functionp func) (funcall func))))
+ (let ((default-eol-type (coding-system-eol-type
+ default-buffer-file-coding-system)))
+ (reset-language-environment)
+
+ ;; The features might set up coding systems.
+ (let ((required-features (get-language-info language-name 'features)))
+ (while required-features
+ (require (car required-features))
+ (setq required-features (cdr required-features))))
+
+ (setq current-language-environment language-name)
+ (set-language-environment-coding-systems language-name default-eol-type))
+ (let ((input-method (get-language-info language-name 'input-method)))
+ (when input-method
+ (setq default-input-method input-method)
+ (if input-method-history
+ (setq input-method-history
+ (cons input-method
+ (delete input-method input-method-history))))))
+
+ ;; Put higher priorities to such charsets that are supported by the
+ ;; coding systems of higher priorities in this environment.
+ (let ((charsets nil))
+ (dolist (coding (get-language-info language-name 'coding-priority))
+ (setq charsets (append charsets (coding-system-charset-list coding))))
+ (if charsets
+ (apply 'set-charset-priority charsets)))
+
+ ;; Note: For DOS, we assumed that the charset cpXXX is already
+ ;; defined.
+ (let ((nonascii (get-language-info language-name 'nonascii-translation)))
+ (if (eq window-system 'pc)
+ (setq nonascii (intern "cp%d" dos-codepage)))
+ (or (and (charsetp nonascii)
+ (= (charset-dimension nonascii) 1))
+ (setq nonascii 'iso-8859-1))
+ (set-unibyte-charset nonascii))
+
+ ;; Unibyte setups if necessary.
+ (or default-enable-multibyte-characters
+ (set-display-table-and-terminal-coding-system language-name))
+
+ (let ((required-features (get-language-info language-name 'features)))
+ (while required-features
+ (require (car required-features))
+ (setq required-features (cdr required-features))))
+ (let ((func (get-language-info language-name 'setup-function)))
+ (if (functionp func)
+ (funcall func)))
+ (run-hooks 'set-language-environment-hook)
+ (force-mode-line-update t))
+
+ (define-widget 'charset 'symbol
+ "An Emacs charset."
+ :tag "Charset"
+ :complete-function (lambda ()
+ (interactive)
+ (lisp-complete-symbol 'charsetp))
+ :completion-ignore-case t
+ :value 'ascii
+ :validate (lambda (widget)
+ (unless (charsetp (widget-value widget))
+ (widget-put widget :error (format "Invalid charset: %S"
+ (widget-value widget)))
+ widget))
+ :prompt-history 'charset-history)
+
+ (defcustom language-info-custom-alist nil
+ "Customizations of language environment parameters.
+ Value is an alist with elements like those of `language-info-alist'.
+ These are used to set values in `language-info-alist' which replace
+ the defaults. A typical use is replacing the default input method for
+ the environment. Use \\[describe-language-environment] to find the
environment's settings.
+
+ This option is intended for use at startup. Removing items doesn't
+ remove them from the language info until you next restart Emacs.
+
+ Setting this variable directly does not take effect. See
+ `set-language-info-alist' for use in programs."
+ :group 'mule
+ :version "22.1"
+ :set (lambda (s v)
+ (custom-set-default s v)
+ ;; Can't do this before language environments are set up.
+ (when v
+ ;; modify language-info-alist
+ (dolist (elt v)
+ (set-language-info-alist (car elt) (cdr elt)))
+ ;; re-set the environment in case its parameters changed
+ (set-language-environment current-language-environment)))
+ :type `(alist
+ :key-type (string :tag "Language environment"
+ :completion-ignore-case t
+ :complete-function widget-string-complete
+ :completion-alist language-info-alist)
+ :value-type
+ (alist :key-type symbol
+ :options ((documentation string)
+ (charset (repeat charset))
+ (sample-text string)
+ (setup-function function)
+ (exit-function function)
+ (coding-system (repeat coding-system))
+ (coding-priority (repeat coding-system))
+ (nonascii-translation charset)
+ (input-method
+ (string
+ :completion-ignore-case t
+ :complete-function widget-string-complete
+ :completion-alist input-method-alist
+ :prompt-history input-method-history))
+ (features (repeat symbol))
+ (unibyte-display coding-system)))))
+
+ (defun standard-display-european-internal ()
+ ;; Actually set up direct output of non-ASCII characters.
+ (standard-display-8bit (if (eq window-system 'pc) 128 160) 255)
+ ;; Unibyte Emacs on MS-DOS wants to display all 8-bit characters with
+ ;; the native font, and codes 160 and 146 stand for something very
+ ;; different there.
+ (or (and (eq window-system 'pc) (not default-enable-multibyte-characters))
+ (progn
+ ;; Make non-line-break space display as a plain space.
+ ;; Most X fonts do the wrong thing for code 160.
+ (aset standard-display-table 160 [32])
+ ;; With luck, non-Latin-1 fonts are more recent and so don't
+ ;; have this bug.
+ (aset standard-display-table 2208 [32]) ; Latin-1 NBSP
+ ;; Most Windows programs send out apostrophes as \222. Most X fonts
+ ;; don't contain a character at that position. Map it to the ASCII
+ ;; apostrophe. [This is actually RIGHT SINGLE QUOTATION MARK,
+ ;; U+2019, normally from the windows-1252 character set. XFree 4
+ ;; fonts probably have the appropriate glyph at this position,
+ ;; so they could use standard-display-8bit. It's better to use a
+ ;; proper windows-1252 coding system. --fx]
+ (aset standard-display-table 146 [39]))))
+
+ (defun set-language-environment-coding-systems (language-name
+ &optional eol-type)
+ "Do various coding system setups for language environment LANGUAGE-NAME.
+
+ The optional arg EOL-TYPE specifies the eol-type of the default value
+ of `buffer-file-coding-system' set by this function."
+ (let* ((priority (get-language-info language-name 'coding-priority))
+ (default-coding (car priority)))
+ (when priority
+ (set-default-coding-systems
+ (if (memq eol-type '(0 1 2 unix dos mac))
+ (coding-system-change-eol-conversion default-coding eol-type)
+ default-coding))
+ (setq default-sendmail-coding-system default-coding)
+ (apply 'set-coding-system-priority priority))))
+
+ (defsubst princ-list (&rest args)
+ "Print all arguments with `princ', then print \"\n\"."
+ (while args (princ (car args)) (setq args (cdr args)))
+ (princ "\n"))
+
+ (put 'describe-specified-language-support 'apropos-inhibit t)
+
+ ;; Print a language specific information such as input methods,
+ ;; charsets, and coding systems. This function is intended to be
+ ;; called from the menu:
+ ;; [menu-bar mule describe-language-environment LANGUAGE]
+ ;; and should not run it by `M-x describe-current-input-method-function'.
+ (defun describe-specified-language-support ()
+ "Describe how Emacs supports the specified language environment."
+ (interactive)
+ (let (language-name)
+ (if (not (and (symbolp last-command-event)
+ (or (not (eq last-command-event 'Default))
+ (setq last-command-event 'English))
+ (setq language-name (symbol-name last-command-event))))
+ (error "Bogus calling sequence"))
+ (describe-language-environment language-name)))
+
+ (defun describe-language-environment (language-name)
+ "Describe how Emacs supports language environment LANGUAGE-NAME."
+ (interactive
+ (list (read-language-name
+ 'documentation
+ "Describe language environment (default, current choice): ")))
+ (if (null language-name)
+ (setq language-name current-language-environment))
+ (if (or (null language-name)
+ (null (get-language-info language-name 'documentation)))
+ (error "No documentation for the specified language"))
+ (if (symbolp language-name)
+ (setq language-name (symbol-name language-name)))
+ (dolist (feature (get-language-info language-name 'features))
+ (require feature))
+ (let ((doc (get-language-info language-name 'documentation))
+ pos)
+ (help-setup-xref (list #'describe-language-environment language-name)
+ (interactive-p))
+ (with-output-to-temp-buffer (help-buffer)
+ (save-excursion
+ (set-buffer standard-output)
+ (insert language-name " language environment\n\n")
+ (if (stringp doc)
+ (insert doc "\n\n"))
+ (condition-case nil
+ (let ((str (eval (get-language-info language-name 'sample-text))))
+ (if (stringp str)
+ (insert "Sample text:\n " str "\n\n")))
+ (error nil))
+ (let ((input-method (get-language-info language-name 'input-method))
+ (l (copy-sequence input-method-alist)))
+ (insert "Input methods")
+ (when input-method
+ (insert " (default, " input-method ")")
+ (setq input-method (assoc input-method input-method-alist))
+ (setq l (cons input-method (delete input-method l))))
+ (insert ":\n")
+ (while l
+ (when (eq t (compare-strings language-name nil nil
+ (nth 1 (car l)) nil nil t))
+ (insert " " (car (car l)))
+ (search-backward (car (car l)))
+ (help-xref-button 0 'help-input-method (car (car l)))
+ (goto-char (point-max))
+ (insert " (\""
+ (if (stringp (nth 3 (car l)))
+ (nth 3 (car l))
+ (car (nth 3 (car l))))
+ "\" in mode line)\n"))
+ (setq l (cdr l)))
+ (insert "\n"))
+ (insert "Character sets:\n")
+ (let ((l (get-language-info language-name 'charset)))
+ (if (null l)
+ (insert " nothing specific to " language-name "\n")
+ (while l
+ (insert " " (symbol-name (car l)))
+ (search-backward (symbol-name (car l)))
+ (help-xref-button 0 'help-character-set (car l))
+ (goto-char (point-max))
+ (insert ": " (charset-description (car l)) "\n")
+ (setq l (cdr l)))))
+ (insert "\n")
+ (insert "Coding systems:\n")
+ (let ((l (get-language-info language-name 'coding-system)))
+ (if (null l)
+ (insert " nothing specific to " language-name "\n")
+ (while l
+ (insert " " (symbol-name (car l)))
+ (search-backward (symbol-name (car l)))
+ (help-xref-button 0 'help-coding-system (car l))
+ (goto-char (point-max))
+ (insert " (`"
+ (coding-system-mnemonic (car l))
+ "' in mode line):\n\t"
+ (coding-system-doc-string (car l))
+ "\n")
+ (let ((aliases (coding-system-aliases (car l))))
+ (when aliases
+ (insert "\t(alias:")
+ (while aliases
+ (insert " " (symbol-name (car aliases)))
+ (setq aliases (cdr aliases)))
+ (insert ")\n")))
+ (setq l (cdr l)))))))))
+
+ ;;; Locales.
+
+ (defvar locale-translation-file-name nil
+ "File name for the system's file of locale-name aliases, or nil if none.")
+
+ ;; The following definitions might as well be marked as constants and
+ ;; purecopied, since they're normally used on startup, and probably
+ ;; should reflect the facilities of the base Emacs.
+ (defconst locale-language-names
+ (purecopy
+ '(
+ ;; Locale names of the form address@hidden
+ ;; as specified in the Single Unix Spec, Version 2.
+ ;; LANGUAGE is a language code taken from ISO 639:1988 (E/F)
+ ;; with additions from ISO 639/RA Newsletter No.1/1989;
+ ;; see Internet RFC 2165 (1997-06) and
+ ;; http://www.evertype.com/standards/iso639/iso639-en.html
+ ;; TERRITORY is a country code taken from ISO 3166
+ ;; http://www.din.de/gremien/nas/nabd/iso3166ma/codlstp1/en_listp1.html.
+ ;; CODESET and MODIFIER are implementation-dependent.
+
+ ; aa Afar
+ ; ab Abkhazian
+ ("af" . "Latin-1") ; Afrikaans
+ ("am" . "Ethiopic") ; Amharic
+ ; ar Arabic glibc uses 8859-6
+ ; as Assamese
+ ; ay Aymara
+ ; az Azerbaijani
+ ; ba Bashkir
+ ("be" . "Belarusian") ; Belarusian [Byelorussian until early 1990s]
+ ("bg" . "Bulgarian") ; Bulgarian
+ ; bh Bihari
+ ; bi Bislama
+ ; bn Bengali, Bangla
+ ("bo" . "Tibetan")
+ ("br" . "Latin-1") ; Breton
+ ("bs" . "Latin-2") ; Bosnian
+ ("ca" . "Latin-1") ; Catalan
+ ; co Corsican
+ ("cs" . "Czech")
+ ("cy" . "Welsh") ; Welsh [glibc uses Latin-8. Did this change?]
+ ("da" . "Latin-1") ; Danish
+ ("de" . "German")
+ ; dz Bhutani
+ ("el" . "Greek")
+ ;; Users who specify "en" explicitly typically want Latin-1, not ASCII.
+ ;; That's actually what the GNU locales define, modulo things like
+ ;; en_IN -- fx.
+ ("en" . "Latin-1") ; English
+ ("eo" . "Latin-3") ; Esperanto
+ ("es" . "Spanish")
+ ("et" . "Latin-4") ; Estonian
+ ("eu" . "Latin-1") ; Basque
+ ; fa Persian glibc uses utf-8
+ ("fi" . "Latin-1") ; Finnish
+ ; fj Fiji
+ ("fo" . "Latin-1") ; Faroese
+ ("fr" . "French") ; French
+ ("fy" . "Latin-1") ; Frisian
+ ("ga" . "Latin-1") ; Irish Gaelic (new orthography)
+ ("gd" . "Latin-1") ; Scots Gaelic
+ ("gl" . "Latin-1") ; Galician
+ ; gn Guarani
+ ; gu Gujarati
+ ("gv" . "Latin-8") ; Manx Gaelic glibc uses 8859-1
+ ; ha Hausa
+ ("he" . "Hebrew")
+ ("hi" . "Devanagari") ; Hindi glibc uses utf-8
+ ("hr" . "Croatian") ; Croatian
+ ("hu" . "Latin-2") ; Hungarian
+ ; hy Armenian
+ ; ia Interlingua
+ ("id" . "Latin-1") ; Indonesian
+ ; ie Interlingue
+ ; ik Inupiak
+ ("is" . "Latin-1") ; Icelandic
+ ("it" . "Italian") ; Italian
+ ; iu Inuktitut
+ ("ja" . "Japanese")
+ ; jw Javanese
+ ("ka" . "Georgian") ; Georgian
+ ; kk Kazakh
+ ("kl" . "Latin-1") ; Greenlandic
+ ; km Cambodian
+ ; kn Kannada
+ ("ko" . "Korean")
+ ; ks Kashmiri
+ ; ku Kurdish
+ ("kw" . "Latin-1") ; Cornish
+ ; ky Kirghiz
+ ("la" . "Latin-1") ; Latin
+ ("lb" . "Latin-1") ; Luxemburgish
+ ; ln Lingala
+ ("lo" . "Lao") ; Laothian
+ ("lt" . "Lithuanian")
+ ("lv" . "Latvian") ; Latvian, Lettish
+ ; mg Malagasy
+ ("mi" . "Latin-7") ; Maori
+ ("mk" . "Cyrillic-ISO") ; Macedonian
+ ; ml Malayalam
+ ; mn Mongolian
+ ; mo Moldavian
+ ("mr" . "Devanagari") ; Marathi glibc uses utf-8
+ ("ms" . "Latin-1") ; Malay
+ ("mt" . "Latin-3") ; Maltese
+ ; my Burmese
+ ; na Nauru
+ ("ne" . "Devanagari") ; Nepali
+ ("nl" . "Dutch")
+ ("no" . "Latin-1") ; Norwegian
+ ("oc" . "Latin-1") ; Occitan
+ ; om (Afan) Oromo
+ ; or Oriya
+ ; pa Punjabi
+ ("pl" . "Latin-2") ; Polish
+ ; ps Pashto, Pushto
+ ("pt" . "Latin-1") ; Portuguese
+ ; qu Quechua
+ ("rm" . "Latin-1") ; Rhaeto-Romanic
+ ; rn Kirundi
+ ("ro" . "Romanian")
+ ("ru.*[_.]koi8\\(?:-r\\)?\\'" . "Cyrillic-KOI8") ; Russian
+ ("ru" . "Cyrillic-ISO") ; Russian
+ ; rw Kinyarwanda
+ ("sa" . "Devanagari") ; Sanskrit
+ ; sd Sindhi
+ ; se Northern Sami
+ ; sg Sangho
+ ("sh" . "Latin-2") ; Serbo-Croatian
+ ; si Sinhalese
+ ("sk" . "Slovak")
+ ("sl" . "Slovenian")
+ ; sm Samoan
+ ; sn Shona
+ ; so Somali
+ ("sq" . "Latin-1") ; Albanian
+ ("sr" . "Latin-2") ; Serbian (Latin alphabet)
+ ("address@hidden" . "Cyrillic-ISO") ; per glibc
+ ; ss Siswati
+ ; st Sesotho
+ ; su Sundanese
+ ("sv" . "Swedish") ; Swedish
+ ("sw" . "Latin-1") ; Swahili
+ ; ta Tamil glibc uses utf-8
+ ; te Telugu glibc uses utf-8
+ ("tg" . "Tajik")
+ ("th" . "Thai")
+ ; ti Tigrinya
+ ; tk Turkmen
+ ("tl" . "Latin-1") ; Tagalog
+ ; tn Setswana
+ ; to Tonga
+ ("tr" . "Turkish")
+ ; ts Tsonga
+ ; tt Tatar
+ ; tw Twi
+ ; ug Uighur
+ ("uk" . "Ukrainian") ; Ukrainian
+ ; ur Urdu glibc uses utf-8
+ ("uz" . "Latin-1") ; Uzbek
+ ("vi" . "Vietnamese") ; glibc uses utf-8
+ ; vo Volapuk
+ ("wa" . "Latin-1") ; Walloon
+ ; wo Wolof
+ ; xh Xhosa
+ ("yi" . "Windows-1255") ; Yiddish
+ ; yo Yoruba
+ ; za Zhuang
+
+ ; glibc:
+ ; zh_HK/BIG5-HKSCS \
+
+ ("zh.*[._]big5" . "Chinese-BIG5")
+ ("zh.*[._].gb18030" . "Chinese-GB18030") ; zh_CN.GB18030/GB18030 in glibc
+ ("zh.*[._].gbk" . "Chinese-GBK")
+ ;; glibc has zh_TW.EUC-TW, with zh_TW defaulting to Big5
+ ("zh_tw" . "Chinese-CNS") ; glibc uses big5
+ ("zh_tw[._]euc-tw" . "Chinese-EUC-TW")
+ ("zh" . "Chinese-GB")
+ ; zu Zulu
+
+ ;; ISO standard locales
+ ("c$" . "ASCII")
+ ("posix$" . "ASCII")
+
+ ;; The "IPA" Emacs language environment does not correspond
+ ;; to any ISO 639 code, so let it stand for itself.
+ ("ipa$" . "IPA")
+
+ ;; Nonstandard or obsolete language codes
+ ("cz" . "Czech") ; e.g. Solaris 2.6
+ ("ee" . "Latin-4") ; Estonian, e.g. X11R6.4
+ ("iw" . "Hebrew") ; e.g. X11R6.4
+ ("sp" . "Cyrillic-ISO") ; Serbian (Cyrillic alphabet), e.g. X11R6.4
+ ("su" . "Latin-1") ; Finnish, e.g. Solaris 2.6
+ ("jp" . "Japanese") ; e.g. MS Windows
+ ("chs" . "Chinese-GB") ; MS Windows Chinese Simplified
+ ("cht" . "Chinese-BIG5") ; MS Windows Chinese Traditional
+ ))
+ "List of pairs of locale regexps and language names.
+ The first element whose locale regexp matches the start of a downcased locale
+ specifies the language name corresponding to that locale.
+ If the language name is nil, there is no corresponding language environment.")
+
+ (defconst locale-charset-language-names
+ (purecopy
+ '((".*8859[-_]?1\\>" . "Latin-1")
+ (".*8859[-_]?2\\>" . "Latin-2")
+ (".*8859[-_]?3\\>" . "Latin-3")
+ (".*8859[-_]?4\\>" . "Latin-4")
+ (".*8859[-_]?9\\>" . "Latin-5")
+ (".*8859[-_]?14\\>" . "Latin-8")
+ (".*8859[-_]?15\\>" . "Latin-9")
+ (".*utf\\(-?8\\)\\>" . "UTF-8")
+ ;; @euro actually indicates the monetary component, but it
+ ;; probably implies a Latin-9 codeset component.
+ ;; address@hidden exists, so put this last.
+ ("address@hidden>" . "Latin-9")))
+ "List of pairs of locale regexps and charset language names.
+ The first element whose locale regexp matches the start of a downcased locale
+ specifies the language name whose charsets corresponds to that locale.
+ This language name is used if its charsets disagree with the charsets of
+ the language name that would otherwise be used for this locale.")
+
+ (defconst locale-preferred-coding-systems
+ (purecopy
+ '(("ja.*[._]euc" . japanese-iso-8bit)
+ ("ja.*[._]jis7" . iso-2022-jp)
+ ("ja.*[._]pck" . japanese-shift-jis)
+ ("ja.*[._]sjis" . japanese-shift-jis)
+ ("jpn" . japanese-shift-jis) ; MS-Windows uses this.
+ (".*[._]utf" . utf-8)))
+ "List of pairs of locale regexps and preferred coding systems.
+ The first element whose locale regexp matches the start of a downcased locale
+ specifies the coding system to prefer when using that locale.")
+
+ (defun locale-name-match (key alist)
+ "Search for KEY in ALIST, which should be a list of regexp-value pairs.
+ Return the value corresponding to the first regexp that matches the
+ start of KEY, or nil if there is no match."
+ (let (element)
+ (while (and alist (not element))
+ (if (string-match (concat "\\`\\(?:" (car (car alist)) "\\)") key)
+ (setq element (car alist)))
+ (setq alist (cdr alist)))
+ (cdr element)))
+
+ (defun locale-charset-match-p (charset1 charset2)
+ "Whether charset names (strings) CHARSET1 and CHARSET2 are equivalent.
+ Matching is done ignoring case and any hyphens and underscores in the
+ names. E.g. `ISO_8859-1' and `iso88591' both match `iso-8859-1'."
+ (setq charset1 (replace-regexp-in-string "[-_]" "" charset1))
+ (setq charset2 (replace-regexp-in-string "[-_]" "" charset2))
+ (eq t (compare-strings charset1 nil nil charset2 nil nil t)))
+
+ (defun set-locale-environment (&optional locale-name)
+ "Set up multi-lingual environment for using LOCALE-NAME.
+ This sets the language environment, the coding system priority,
+ the default input method and sometimes other things.
+
+ LOCALE-NAME should be a string which is the name of a locale supported
+ by the system; often it is of the form xx_XX.CODE, where xx is a
+ language, XX is a country, and CODE specifies a character set and
+ coding system. For example, the locale name \"ja_JP.EUC\" might name
+ a locale for Japanese in Japan using the `japanese-iso-8bit'
+ coding-system. The name may also have a modifier suffix, e.g. address@hidden'
+ or address@hidden'.
+
+ If LOCALE-NAME is nil, its value is taken from the environment
+ variables LC_ALL, LC_CTYPE and LANG (the first one that is set).
+
+ The locale names supported by your system can typically be found in a
+ directory named `/usr/share/locale' or `/usr/lib/locale'. LOCALE-NAME
+ will be translated according to the table specified by
+ `locale-translation-file-name'.
+
+ See also `locale-charset-language-names', `locale-language-names',
+ `locale-preferred-coding-systems' and `locale-coding-system'."
+ (interactive "sSet environment for locale: ")
+
+ ;; Do this at runtime for the sake of binaries possibly transported
+ ;; to a system without X.
+ (setq locale-translation-file-name
+ (let ((files
+ '("/usr/lib/X11/locale/locale.alias" ; e.g. X11R6.4
+ "/usr/X11R6/lib/X11/locale/locale.alias" ; e.g. RedHat 4.2
+ "/usr/openwin/lib/locale/locale.alias" ; e.g. Solaris 2.6
+ ;;
+ ;; The following name appears after the X-related names above,
+ ;; since the X-related names are what X actually uses.
+ "/usr/share/locale/locale.alias" ; GNU/Linux sans X
+ )))
+ (while (and files (not (file-exists-p (car files))))
+ (setq files (cdr files)))
+ (car files)))
+
+ (let ((locale locale-name))
+
+ (unless locale
+ ;; Use the first of these three environment variables
+ ;; that has a nonempty value.
+ (let ((vars '("LC_ALL" "LC_CTYPE" "LANG")))
+ (while (and vars
+ (= 0 (length locale))) ; nil or empty string
+ (setq locale (getenv (pop vars))))))
+
+ (when locale
+
+ ;; Translate "swedish" into "sv_SE.ISO8859-1", and so on,
+ ;; using the translation file that many systems have.
+ (when locale-translation-file-name
+ (with-temp-buffer
+ (insert-file-contents locale-translation-file-name)
+ (when (re-search-forward
+ (concat "^" (regexp-quote locale) ":?[ \t]+") nil t)
+ (setq locale (buffer-substring (point) (line-end-position))))))
+
+ ;; Leave the system locales alone if the caller did not specify
+ ;; an explicit locale name, as their defaults are set from
+ ;; LC_MESSAGES and LC_TIME, not LC_CTYPE, and the user might not
+ ;; want to set them to the same value as LC_CTYPE.
+ (when locale-name
+ (setq system-messages-locale locale)
+ (setq system-time-locale locale))
+
+ (setq locale (downcase locale))
+
+ (let ((language-name
+ (locale-name-match locale locale-language-names))
+ (charset-language-name
+ (locale-name-match locale locale-charset-language-names))
+ (coding-system
+ (locale-name-match locale locale-preferred-coding-systems)))
+
+ ;; Give preference to charset-language-name over language-name.
+ (if (and charset-language-name
+ (not
+ (equal (get-language-info language-name 'charset)
+ (get-language-info charset-language-name 'charset))))
+ (setq language-name charset-language-name))
+
+ (when language-name
+
+ ;; Set up for this character set. This is now the right way
+ ;; to do it for both unibyte and multibyte modes.
+ (set-language-environment language-name)
+
+ ;; If default-enable-multibyte-characters is nil,
+ ;; we are using single-byte characters,
+ ;; so the display table and terminal coding system are irrelevant.
+ (when default-enable-multibyte-characters
+ (set-display-table-and-terminal-coding-system language-name))
+
+ ;; Set the `keyboard-coding-system' if appropriate (tty
+ ;; only). At least X and MS Windows can generate
+ ;; multilingual input.
+ (unless window-system
+ (let ((kcs (or coding-system
+ (car (get-language-info language-name
+ 'coding-system)))))
+ (if kcs (set-keyboard-coding-system kcs))))
+
+ (setq locale-coding-system
+ (car (get-language-info language-name 'coding-priority))))
+
+ (when coding-system
+ (prefer-coding-system coding-system)
+ (setq locale-coding-system coding-system))
+ (when (get-language-info current-language-environment 'coding-priority)
+ (let ((codeset (locale-info 'codeset))
+ (coding-system (car (coding-system-priority-list))))
+ (when codeset
+ (let ((cs (coding-system-aliases coding-system))
+ result)
+ (while (and cs (not result))
+ (setq result
+ (locale-charset-match-p (symbol-name (pop cs))
+ (locale-info 'codeset))))
+ (unless result
+ (message "Warning: Default coding system `%s' disagrees with
+ system codeset `%s' for this locale." coding-system codeset))))))))
+
+ ;; Default to A4 paper if we're not in a C, POSIX or US locale.
+ ;; (See comments in Flocale_info.)
+ (let ((locale locale)
+ (paper (locale-info 'paper)))
+ (if paper
+ ;; This will always be null at the time of writing.
+ (cond
+ ((equal paper '(216 279))
+ (setq ps-paper-type 'letter))
+ ((equal paper '(210 297))
+ (setq ps-paper-type 'a4)))
+ (let ((vars '("LC_ALL" "LC_PAPER" "LANG")))
+ (while (and vars (= 0 (length locale)))
+ (setq locale (getenv (pop vars)))))
+ (when locale
+ ;; As of glibc 2.2.5, these are the only US Letter locales,
+ ;; and the rest are A4.
+ (setq ps-paper-type
+ (or (locale-name-match locale '(("c$" . letter)
+ ("posix$" . letter)
+ (".._us" . letter)
+ (".._pr" . letter)
+ (".._ca" . letter)))
+ 'a4))))))
+ nil)
+
+ ;;; Character code property
+ (put 'char-code-property-table 'char-table-extra-slots 0)
+
+ (defvar char-code-property-table
+ (make-char-table 'char-code-property-table)
+ "Char-table containing a property list of each character code.
+
+ See also the documentation of `get-char-code-property' and
+ `put-char-code-property'.")
+
+ (defun get-char-code-property (char propname)
+ "Return the value of CHAR's PROPNAME property in
`char-code-property-table'."
+ (let ((plist (aref char-code-property-table char)))
+ (if (listp plist)
+ (car (cdr (memq propname plist))))))
+
+ (defun put-char-code-property (char propname value)
+ "Store CHAR's PROPNAME property with VALUE in `char-code-property-table'.
+ It can be retrieved with `(get-char-code-property CHAR PROPNAME)'."
+ (let ((plist (aref char-code-property-table char)))
+ (if plist
+ (let ((slot (memq propname plist)))
+ (if slot
+ (setcar (cdr slot) value)
+ (nconc plist (list propname value))))
+ (aset char-code-property-table char (list propname value)))))
+
+
+ ;; Pretty description of encoded string
+
+ ;; Alist of ISO 2022 control code vs the corresponding mnemonic string.
+ (defvar iso-2022-control-alist
+ '((?\x1b . "ESC")
+ (?\x0e . "SO")
+ (?\x0f . "SI")
+ (?\x8e . "SS2")
+ (?\x8f . "SS3")
+ (?\x9b . "CSI")))
+
+ (defun encoded-string-description (str coding-system)
+ "Return a pretty description of STR that is encoded by CODING-SYSTEM."
+ (setq str (string-as-unibyte str))
+ (mapconcat
+ (if (and coding-system (eq (coding-system-type coding-system) 'iso-2022))
+ ;; Try to get a pretty description for ISO 2022 escape sequences.
+ (function (lambda (x) (or (cdr (assq x iso-2022-control-alist))
+ (format "%02X" x))))
+ (function (lambda (x) (format "0x%02X" x))))
+ str " "))
+
+ (defun encode-coding-char (char coding-system)
+ "Encode CHAR by CODING-SYSTEM and return the resulting string.
+ If CODING-SYSTEM can't safely encode CHAR, return nil."
+ (let ((str1 (string-as-multibyte (string char)))
+ (str2 (string-as-multibyte (string char char)))
+ enc1 enc2 i1 i2)
+ (when (memq (coding-system-base coding-system)
+ (find-coding-systems-string str1))
+ ;; We must find the encoded string of CHAR. But, just encoding
+ ;; CHAR will put extra control sequences (usually to designate
+ ;; ASCII charset) at the tail if type of CODING is ISO 2022.
+ ;; To exclude such tailing bytes, we at first encode one-char
+ ;; string and two-char string, then check how many bytes at the
+ ;; tail of both encoded strings are the same.
+
+ (setq enc1 (encode-coding-string str1 coding-system)
+ i1 (length enc1)
+ enc2 (encode-coding-string str2 coding-system)
+ i2 (length enc2))
+ (while (and (> i1 0) (= (aref enc1 (1- i1)) (aref enc2 (1- i2))))
+ (setq i1 (1- i1) i2 (1- i2)))
+
+ ;; Now (substring enc1 i1) and (substring enc2 i2) are the same,
+ ;; and they are the extra control sequences at the tail to
+ ;; exclude.
+ (substring enc2 0 i2))))
+
+ ;; Backwards compatibility. These might be better with :init-value t,
+ ;; but that breaks loadup.
+ (define-minor-mode unify-8859-on-encoding-mode
+ "Obsolete."
+ :group 'mule
+ :global t)
+ (define-minor-mode unify-8859-on-decoding-mode
+ "Obsolete."
+ :group 'mule
+ :global t)
+
+ (defvar nonascii-insert-offset 0 "This variable is obsolete.")
+ (defvar nonascii-translation-table nil "This variable is obsolete.")
+
+
+ ;;; mule-cmds.el ends here
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- [Emacs-diffs] Changes to emacs/lisp/international/mule-cmds.el [emacs-unicode-2],
Kenichi Handa <=