-;;; mule-cmds.el --- commands for mulitilingual environment
+;;; mule-cmds.el --- commands for mulitilingual environment -*-coding: iso-2022-7bit -*-
-;; Copyright (C) 1995 Electrotechnical Laboratory, JAPAN.
-;; Licensed to the Free Software Foundation.
-;; Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
+;; Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
+;; Free Software Foundation, Inc.
+;; Copyright (C) 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
+;; National Institute of Advanced Industrial Science and Technology (AIST)
+;; Registration Number H14PRO021
;; Keywords: mule, multilingual
;; 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.
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
;;; Commentary:
;;; Code:
-(eval-when-compile (defvar dos-codepage))
+(eval-when-compile
+ (defvar dos-codepage)
+ (autoload 'widget-value "wid-edit"))
+
+(defvar mac-system-coding-system)
+(defvar mac-system-locale)
;;; MULE related key bindings and menus.
(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-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 [mouse-set-font]
- '(menu-item "Set Font/Fontset" mouse-set-font
- :visible (fboundp 'generate-fontset-menu)
- :help "Select a font from list of known fonts/fontsets"))
(define-key-after mule-menu-keymap [separator-mule]
'("--")
t)
t)
(define-key-after mule-menu-keymap [set-various-coding-system]
(list 'menu-item "Set Coding Systems" set-coding-system-map
- :enable 'enable-multibyte-characters))
+ :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
:help "Display multilingual environment settings")
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 on disk")
- 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 [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")
+(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-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")
+(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 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))
;; We have to decode the file in any environment.
(let ((default-enable-multibyte-characters t)
(coding-system-for-read 'iso-2022-7bit))
- (find-file-read-only (expand-file-name "HELLO" data-directory))))
+ (view-file (expand-file-name "HELLO" data-directory))))
-(defun universal-coding-system-argument ()
+(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
+ (interactive
+ (let ((default (and buffer-file-coding-system
(not (eq (coding-system-type buffer-file-coding-system)
t))
- buffer-file-coding-system))
- (coding-system (read-coding-system
- (if default
- (format "Coding system for following command (default, %s): " default)
- "Coding system for following command: ")
- default))
- (keyseq (read-key-sequence
+ 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
+ ;; Have to bind `last-command-char' here so that
+ ;; `digit-argument', for instance, can compute the
;; prefix arg.
(last-command-char (aref keyseq 0)))
(call-interactively cmd)))
- ;; This is the final call to `univeral-argument-other-key', which
+ ;; 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)
(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))))
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 used as `file-name-coding-system' for converting file names
+ if CODING-SYSTEM is ASCII-compatible.
o default value for the command `set-terminal-coding-system' (not on MSDOS)
- o default value for the command `set-keyboard-coding-system'."
+ o default value for the command `set-keyboard-coding-system'
+ if CODING-SYSTEM is ASCII-compatible.."
(check-coding-system coding-system)
(setq-default buffer-file-coding-system coding-system)
- (if default-enable-multibyte-characters
+ (if (fboundp 'ucs-set-table-for-input)
+ (dolist (buffer (buffer-list))
+ (or (local-variable-p 'buffer-file-coding-system buffer)
+ (ucs-set-table-for-input buffer))))
+
+ (if (and default-enable-multibyte-characters (not (eq system-type 'darwin))
+ (or (not coding-system)
+ (not (coding-system-get coding-system 'ascii-incompatible))))
+ ;; The file-name coding system on Darwin systems is always utf-8.
(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)
+ (if (or (not coding-system)
+ (not (coding-system-get coding-system 'ascii-incompatible)))
+ (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
(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:
;; CODING-SYSTEM is no-conversion or undecided.
(error "Can't prefer the coding system `%s'" coding-system))
(set coding-category (or base coding-system))
+ ;; Changing the binding of a coding category requires this call.
(update-coding-systems-internal)
(or (eq coding-category (car coding-category-list))
;; We must change the order.
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* ((most-preferred (symbol-value (car coding-category-list)))
+ (let* ((from-categories (mapcar #'(lambda (x) (symbol-value x))
+ coding-category-list))
+ (most-preferred (car from-categories))
(lang-preferred (get-language-info current-language-environment
'coding-system))
(func (function
(lambda (x)
(let ((base (coding-system-base x)))
- (+ (if (eq base most-preferred) 64 0)
- (let ((mime (coding-system-get base 'mime-charset)))
+ ;; 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
- (if (string-match "^x-" (symbol-name mime))
- 16 32)
+ ;; 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))
- (if (memq base lang-preferred) 8 0)
- (if (string-match "-with-esc$" (symbol-name base))
- 0 4)
- (if (eq (coding-system-type base) 2)
- ;; For ISO based coding systems, prefer
- ;; one that doesn't use escape sequences.
- (let ((flags (coding-system-flags base)))
- (if (or (consp (aref flags 0))
- (consp (aref flags 1))
- (consp (aref flags 2))
- (consp (aref flags 3)))
- (if (or (aref flags 8) (aref flags 9))
- 0
- 1)
- 2))
- 1)))))))
+ 5)
+ (lsh (if (memq base lang-preferred) 1 0) 4)
+ (lsh (if (memq base from-categories) 1 0) 3)
+ (lsh (if (string-match "-with-esc\\'"
+ (symbol-name base))
+ 0 1) 2)
+ (if (eq (coding-system-type base) 2)
+ ;; For ISO based coding systems, prefer
+ ;; one that doesn't use escape sequences.
+ (let ((flags (coding-system-flags base)))
+ (if (or (consp (aref flags 0))
+ (consp (aref flags 1))
+ (consp (aref flags 2))
+ (consp (aref flags 3)))
+ (if (or (aref flags 8) (aref flags 9))
+ 0
+ 1)
+ 2))
+ 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.
(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."
+CHARSETS is a list of character sets.
+It actually checks at most the first 96 characters of each charset.
+So, if a charset of dimension two is included in CHARSETS, the value may
+contain a coding system that can't encode all characters of the charset."
(cond ((or (null charsets)
(and (= (length charsets) 1)
(eq 'ascii (car charsets))))
'(raw-text emacs-mule))
(t
(let ((codings t)
- charset l ll)
+ charset l str)
(while (and codings charsets)
(setq charset (car charsets) charsets (cdr charsets))
(unless (eq charset 'ascii)
- (setq l (aref char-coding-system-table (make-char charset)))
+ (setq str (make-string 96 32))
+ (if (= (charset-dimension charset) 1)
+ (if (= (charset-chars charset) 96)
+ (dotimes (i 96)
+ (aset str i (make-char charset (+ i 32))))
+ (dotimes (i 94)
+ (aset str i (make-char charset (+ i 33)))))
+ (if (= (charset-chars charset) 96)
+ (dotimes (i 96)
+ (aset str i (make-char charset 32 (+ i 32))))
+ (dotimes (i 94)
+ (aset str i (make-char charset 33 (+ i 33))))))
+ (setq l (find-coding-systems-string str))
(if (eq codings t)
(setq codings l)
(let ((ll nil))
- (while codings
- (if (memq (car codings) l)
- (setq ll (cons (car codings) ll)))
- (setq codings (cdr codings)))
+ (dolist (elt codings)
+ (if (memq elt l)
+ (setq ll (cons elt ll))))
(setq codings ll)))))
- (append codings
- (char-table-extra-slot char-coding-system-table 0))))))
+ codings))))
(defun find-multibyte-characters (from to &optional maxcount excludes)
"Find multibyte characters in the region specified by FROM and TO.
where
CHARSET is a character set,
COUNT is a number of characters,
- CHARs are found characters of the character set.
+ 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.
(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
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.
+ "If non-nil, a function to control the behavior 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-interactively (from to codings unsafe
+ &optional rejected default)
+ "Select interactively a coding system for the region FROM ... TO.
+FROM can be a string, as in `write-region'.
+CODINGS is the list of base coding systems known to be safe for this region,
+ typically obtained with `find-coding-systems-region'.
+UNSAFE is a list of coding systems known to be unsafe for this region.
+REJECTED is a list of coding systems which were safe but for some reason
+ were not recommended in the particular context.
+DEFAULT is the coding system to use by default in the query."
+ ;; 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
+ (setq unsafe
+ (mapcar #'(lambda (coding)
+ (cons coding
+ (if (stringp from)
+ (mapcar #'(lambda (pos)
+ (cons pos (aref from pos)))
+ (unencodable-char-position
+ 0 (length from) coding
+ 11 from))
+ (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))
+ (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))
+ (bufname (buffer-name))
+ coding-system)
+ (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*"
+ (with-current-buffer standard-output
+ (if (and (null rejected) (null unsafe))
+ (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 " "))
+ (dolist (x (append rejected unsafe))
+ (princ " ") (princ (car x)))
+ (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 ")
+ (dolist (x rejected)
+ (princ " ") (princ x))
+ (insert "\n"))
+ (when unsafe
+ (insert (if rejected "And the others"
+ "However, each of them")
+ " encountered these problematic characters:\n")
+ (dolist (coding unsafe)
+ (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"))
+ (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 "\nSelect \
+one of the following safe coding systems, or edit the buffer:\n")
+ (let ((pos (point))
+ (fill-prefix " "))
+ (dolist (x codings)
+ (princ " ") (princ x))
+ (insert "\n")
+ (fill-region-as-paragraph pos (point)))
+ (insert "Or specify any other coding system
+at the risk of losing the problematic characters.\n")))
+
+ ;; Read a coding system.
+ (setq coding-system
+ (read-coding-system
+ (format "Select coding system (default %s): " default)
+ default))
+ (setq last-coding-system-specified coding-system))
+
+ (kill-buffer "*Warning*")
+ (set-window-configuration window-configuration)
+ coding-system))
+
(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.
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 and the
+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 silently selected and returned without
-any user interaction. See also the command `prefer-coding-system'.
+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 `find-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.
+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.
(not (listp default-coding-system)))
(setq default-coding-system (list 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))
-
- ;; 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)
- (assq buffer-file-coding-system default-coding-system)
- (rassq base default-coding-system)
- (setq default-coding-system
- (append default-coding-system
- (list (cons buffer-file-coding-system base)))))))
-
- ;; If the most preferred coding system has the property mime-charset,
- ;; append it to the defaults.
- (let ((tail coding-category-list)
- preferred base)
- (while (and tail
- (not (setq preferred (symbol-value (car tail)))))
- (setq tail (cdr tail)))
- (and (coding-system-p preferred)
- (setq base (coding-system-base preferred))
- (coding-system-get preferred 'mime-charset)
- (not (assq preferred default-coding-system))
- (not (rassq base default-coding-system))
- (setq default-coding-system
- (append default-coding-system (list (cons preferred base))))))
-
- (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))
- (l default-coding-system))
- (if (eq (car codings) 'undecided)
- ;; Any coding system is ok.
- (setq coding-system t)
- ;; Try the defaults.
- (while (and l (not coding-system))
- (if (memq (cdr (car l)) codings)
- (setq coding-system (car (car l)))
- (setq l (cdr l))))
- (if (and coding-system accept-default-p)
- (or (funcall accept-default-p coding-system)
- (setq coding-system (list coding-system)))))
-
- ;; If all the defaults failed, ask a user.
- (when (or (not coding-system) (consp coding-system))
- ;; At first, change each 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))
- (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))))
-
- ;; Make sure the offending buffer is displayed.
- (or (stringp from)
- (pop-to-buffer bufname))
- ;; Then ask users to select one form CODINGS.
- (unwind-protect
- (save-window-excursion
- (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 " "))
- (mapcar (function (lambda (x)
- (princ " ") (princ (car x))))
- default-coding-system)
- (insert "\n")
- (fill-region-as-paragraph pos (point)))
- (insert
- (if (consp coding-system)
- (concat (format "%s safely encodes the target text,\n"
- (car coding-system))
- "but it is not recommended for encoding text in this context,\n"
- "e.g., for sending an email message.\n")
- "However, none of them safely encodes the target text.\n")))
- (insert (if (consp coding-system)
- "\nSelect the above, or "
- "\nSelect ")
- "one of the following safe coding systems:\n")
- (let ((pos (point))
- (fill-prefix " "))
- (mapcar (function (lambda (x) (princ " ") (princ x)))
- codings)
- (insert "\n")
- (fill-region-as-paragraph pos (point)))))
-
- ;; Read a coding system.
- (if (consp coding-system)
- (setq codings (cons (car coding-system) codings)))
- (let* ((safe-names (mapcar (lambda (x) (list (symbol-name x)))
- codings))
- (name (completing-read
- (format "Select coding system (default %s): "
- (car codings))
- safe-names nil t nil nil
- (car (car safe-names)))))
- (setq last-coding-system-specified (intern name)
- coding-system last-coding-system-specified)))
- (kill-buffer "*Warning*")))
-
- (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))))))
+ (let ((no-other-defaults nil)
+ auto-cs)
+ (unless (or (stringp from) find-file-literally)
+ ;; Find an auto-coding that is specified for the the current
+ ;; buffer and file from the region FROM and TO.
+ (save-excursion
+ (save-restriction
+ (widen)
+ (goto-char from)
+ (setq auto-cs (find-auto-coding (or file buffer-file-name "")
+ (- to from)))
+ (if auto-cs
+ (if (coding-system-p (car auto-cs))
+ (setq auto-cs (car auto-cs))
+ (display-warning
+ :warning
+ (format "\
+Invalid coding system `%s' is specified
+for the current buffer/file by the %s.
+It is highly recommended to fix it before writing to a file."
+ (car auto-cs)
+ (if (eq (cdr auto-cs) :coding) ":coding tag"
+ (format "variable `%s'" (cdr auto-cs)))))
+ (or (yes-or-no-p "Really proceed with writing? ")
+ (error "Save aborted"))
+ (setq auto-cs 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))
+
+ (if (and auto-cs (not no-other-defaults))
+ ;; If the file has a coding cookie, try to use it before anything
+ ;; else (i.e. before default-coding-system which will typically come
+ ;; from file-coding-system-alist).
+ (let ((base (coding-system-base auto-cs)))
+ (or (memq base '(nil undecided))
+ (rassq base default-coding-system)
+ (push (cons auto-cs base) 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 ((tail coding-category-list)
+ preferred base)
+ (while (and tail (not (setq preferred (symbol-value (car tail)))))
+ (setq tail (cdr tail)))
+ (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)
+ 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)
+ (setq coding-system (select-safe-coding-system-interactively
+ from to codings unsafe rejected (car codings))))
+
+ (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'.
+ (when (and auto-cs
+ (not (and
+ coding-system
+ (memq (coding-system-type coding-system) '(0 5)))))
+ ;; Merge coding-system and auto-cs as far as possible.
+ (if (not coding-system)
+ (setq coding-system auto-cs)
+ (if (not auto-cs)
+ (setq auto-cs coding-system)
+ (let ((eol-type-1 (coding-system-eol-type coding-system))
+ (eol-type-2 (coding-system-eol-type auto-cs)))
+ (if (eq (coding-system-base coding-system) 'undecided)
+ (setq coding-system (coding-system-change-text-conversion
+ coding-system auto-cs))
+ (if (eq (coding-system-base auto-cs) 'undecided)
+ (setq auto-cs (coding-system-change-text-conversion
+ auto-cs coding-system))))
+ (if (vectorp eol-type-1)
+ (or (vectorp eol-type-2)
+ (setq coding-system (coding-system-change-eol-conversion
+ coding-system eol-type-2)))
+ (if (vectorp eol-type-2)
+ (setq auto-cs (coding-system-change-eol-conversion
+ auto-cs eol-type-1)))))))
+
(if (and auto-cs
- (not (coding-system-equal (coding-system-base coding-system)
- (coding-system-base auto-cs))))
+ ;; 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 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))
+ (error "Save aborted"))))
+ coding-system)))
(setq select-safe-coding-system-function 'select-safe-coding-system)
default-sendmail-coding-system
default-buffer-file-coding-system)))
(if (eq coding 'no-conversion)
- ;; We should never use no-conversion for outgoing mails.
+ ;; 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)))
+ (setq coding
+ (funcall select-safe-coding-system-function
+ (point-min) (point-max) coding
+ (function (lambda (x)
+ (coding-system-get x 'mime-charset))))))
+ (if coding
+ ;; Be sure to use LF for end-of-line.
+ (setq coding (coding-system-change-eol-conversion coding 'unix))
+ ;; No coding system is decided. Usually this is the case that
+ ;; the current buffer contains only ASCII. So, we hope
+ ;; iso-8859-1 works.
+ (setq coding 'iso-8859-1-unix))
+ coding))
\f
;;; Language support stuff.
is meant for, and how to use it.
charset value is a list of the character sets used by this
language environment.
- sample-text value is one line of text,
- written using those character sets,
- appropriate for 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
environment.
features value is a list of features requested in this
language environment.
+ ctext-non-standard-encodings
+ value is a list of non-standard encoding
+ names used in extended segments of CTEXT.
+ See the variable
+ `ctext-non-standard-encodings' for more
+ detail.
The following keys take effect only when multibyte characters are
globally disabled, i.e. the value of `default-enable-multibyte-characters'
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)))
+ (let ((lang-slot (assoc-string lang-env language-info-alist t)))
(if lang-slot
(cdr (assq key (cdr lang-slot))))))
see `language-info-alist'."
(if (symbolp lang-env)
(setq lang-env (symbol-name lang-env)))
+ (set-language-info-internal lang-env key info)
+ (if (equal lang-env current-language-environment)
+ (set-language-environment lang-env)))
+
+(defun set-language-info-internal (lang-env key info)
+ "Internal use only.
+Arguments are the same as `set-language-info'."
(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.
(progn
(setq key-slot (list key))
(setcdr lang-slot (cons key-slot (cdr lang-slot)))))
- (setcdr key-slot (purecopy info))))
+ (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.
`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
+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."
(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)))))
+ (dolist (elt alist)
+ (set-language-info-internal lang-env (car elt) (cdr elt)))
+
+ (if (equal lang-env current-language-environment)
+ (set-language-environment lang-env))))
(defun read-language-name (key prompt &optional default)
"Read a language environment name which has information for KEY.
name)))
\f
;;; Multilingual input methods.
-(defgroup leim nil
+(defgroup leim nil
"LEIM: Libraries of Emacs Input Methods."
:group 'mule)
Emacs loads this file at startup time.")
(defvar leim-list-header (format
-";;; %s -- list of LEIM (Library of Emacs Input Method)
+";;; %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
"*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)
+ :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)
current-input-method-title nil)
(force-mode-line-update)))))
-(defun set-input-method (input-method)
+(defun set-input-method (input-method &optional interactive)
"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].
+When called interactively, the optional arg INTERACTIVE is non-nil,
+which marks the variable `default-input-method' as set for Custom buffers.
To deactivate the input method interactively, use \\[toggle-input-method].
To deactivate it programmatically, use \\[inactivate-input-method]."
(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))))
+ default t)
+ t)))
(activate-input-method input-method)
(setq default-input-method input-method)
- (when (interactive-p)
+ (when interactive
(customize-mark-as-set 'default-input-method))
default-input-method)
-(defun toggle-input-method (&optional arg)
+(defun toggle-input-method (&optional arg interactive)
"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.
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)."
+\(not including the currently active input method, if any).
- (interactive "P")
+When called interactively, the optional arg INTERACTIVE is non-nil,
+which marks the variable `default-input-method' as set for Custom buffers."
+
+ (interactive "P\np")
(if (and current-input-method (not arg))
(inactivate-input-method)
(let ((default (or (car input-method-history) default-input-method)))
default t))
default))
(unless default-input-method
- (prog1
+ (prog1
(setq default-input-method current-input-method)
- (when (interactive-p)
+ (when interactive
(customize-mark-as-set 'default-input-method)))))))
(defun describe-input-method (input-method)
"Describe input method INPUT-METHOD."
(interactive
(list (read-input-method-name
- "Describe input method (default, current choice): ")))
+ "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
(activate-input-method input-method)
(describe-current-input-method))
(activate-input-method current))
- (error
+ (error
(activate-input-method current)
(help-setup-xref (list #'describe-input-method input-method)
(interactive-p))
the minibuffer.
See also the variable `input-method-highlight-flag'."
- :type '(choice (const t) (const nil) (const complex-only) (const default))
+ :type '(choice (const :tag "Always" t) (const :tag "Never" nil)
+ (const complex-only) (const default))
:group 'mule)
(defcustom input-method-highlight-flag t
But, if this flag is non-nil, it displays them in echo area instead.")
(defvar input-method-exit-on-invalid-key nil
- "This flag controls the behaviour of an input method on invalid key input.
+ "This flag controls the behavior 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.
:link '(custom-manual "(emacs)Language Environments")
:set (lambda (symbol value) (set-language-environment value))
:get (lambda (x)
- (or (car-safe (assoc-ignore-case
+ (or (car-safe (assoc-string
(if (symbolp current-language-environment)
(symbol-name current-language-environment)
current-language-environment)
- language-info-alist))
+ language-info-alist t))
"English"))
- :type (cons 'choice (mapcar (lambda (lang)
- (list 'const (car lang)))
- language-info-alist))
+ ;; 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
- :type 'string)
+ :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 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.
bound to each category are as follows
coding category coding system
--------------------------------------------------
- coding-category-iso-8-2 iso-latin-1
coding-category-iso-8-1 iso-latin-1
+ coding-category-iso-8-2 iso-latin-1
+ coding-category-utf-8 mule-utf-8
+ coding-category-utf-16-be mule-utf-16be-with-signature
+ coding-category-utf-16-le mule-utf-16le-with-signature
coding-category-iso-7-tight iso-2022-jp
coding-category-iso-7 iso-2022-7bit
coding-category-iso-7-else iso-2022-7bit-lock
coding-category-sjis japanese-shift-jis
coding-category-big5 chinese-big5
coding-category-ccl nil
- coding-category-binary no-conversion
- coding-category-utf-16-be nil
- coding-category-utf-16-le nil
- coding-category-utf-8 mule-utf-8"
+ coding-category-binary no-conversion"
(interactive)
;; This function formerly set default-enable-multibyte-characters to t,
;; but that is incorrect. It should not alter the unibyte/multibyte choice.
coding-category-raw-text 'raw-text
coding-category-sjis 'japanese-shift-jis
coding-category-big5 'chinese-big5
- coding-category-utf-16-be nil
- coding-category-utf-16-le nil
+ coding-category-utf-16-be 'mule-utf-16be-with-signature
+ coding-category-utf-16-le 'mule-utf-16le-with-signature
coding-category-utf-8 'mule-utf-8
coding-category-ccl nil
coding-category-binary 'no-conversion)
(set-coding-priority
'(coding-category-iso-8-1
coding-category-iso-8-2
+ coding-category-utf-8
+ coding-category-utf-16-be
+ coding-category-utf-16-le
coding-category-iso-7-tight
coding-category-iso-7
coding-category-iso-7-else
coding-category-iso-8-else
- coding-category-emacs-mule
+ coding-category-emacs-mule
coding-category-raw-text
coding-category-sjis
coding-category-big5
coding-category-ccl
- coding-category-binary
- coding-category-utf-16-be
- coding-category-utf-16-le
- coding-category-utf-8))
+ coding-category-binary))
+ ;; Changing the binding of a coding category requires this call.
(update-coding-systems-internal)
(set-default-coding-systems nil)
(setq default-sendmail-coding-system 'iso-latin-1)
+ ;; On Darwin systems, this should be utf-8, but when this file is loaded
+ ;; utf-8 is not yet defined, so we set it in set-locale-environment instead.
+ (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
(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
+ (condition-case nil
(coding-system-change-text-conversion
(car default-process-coding-system) 'undecided)
(coding-system-error 'undecided)))
;; (set-keyboard-coding-system-internal nil)
(setq nonascii-translation-table nil
- nonascii-insert-offset 0))
+ nonascii-insert-offset 0)
+
+ ;; Don't invoke fontset-related functions if fontsets aren't
+ ;; supported in this build of Emacs.
+ (and (fboundp 'fontset-list)
+ (set-overriding-fontspec-internal nil)))
(reset-language-environment)
-(defun set-display-table-and-terminal-coding-system (language-name)
+(defun set-display-table-and-terminal-coding-system (language-name &optional coding-system)
"Set up the display table and terminal coding system for LANGUAGE-NAME."
(let ((coding (get-language-info language-name 'unibyte-display)))
- (if coding
+ (if (and coding
+ (or (not coding-system)
+ (coding-system-equal coding coding-system)))
(standard-display-european-internal)
- (standard-display-default (if (eq window-system 'pc) 128 160) 255)
- (aset standard-display-table 146 nil))
+ ;; 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))))
+ (set-terminal-coding-system (or coding-system coding)))))
(defun set-language-environment (language-name)
"Set up multi-lingual environment for using LANGUAGE-NAME.
specifies the character set for the major languages of Western Europe."
(interactive (list (read-language-name
nil
- "Set language environment (default, English): ")))
+ "Set language environment (default English): ")))
(if language-name
(if (symbolp language-name)
(setq language-name (symbol-name language-name)))
(setq language-name "English"))
- (or (assoc-ignore-case language-name language-info-alist)
+ (let ((slot (assoc-string language-name language-info-alist t)))
+ (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)))
(load syntax nil t))
;; No information for syntax and case. Reset to the defaults.
(let ((syntax-table (standard-syntax-table))
- (case-table (standard-case-table))
+ (standard-table (standard-case-table))
+ (case-table (make-char-table 'case-table))
(ch (if (eq window-system 'pc) 128 160)))
(while (< ch 256)
(modify-syntax-entry ch " " syntax-table)
- (aset case-table ch ch)
(setq ch (1+ ch)))
+ (dotimes (i 128)
+ (aset case-table i (aref standard-table i)))
(set-char-table-extra-slot case-table 0 nil)
(set-char-table-extra-slot case-table 1 nil)
- (set-char-table-extra-slot case-table 2 nil))
- (set-standard-case-table (standard-case-table))
+ (set-char-table-extra-slot case-table 2 nil)
+ (set-standard-case-table case-table))
(let ((list (buffer-list)))
(while list
(with-current-buffer (car list)
(while required-features
(require (car required-features))
(setq required-features (cdr required-features))))
+
+ ;; Don't invoke fontset-related functions if fontsets aren't
+ ;; supported in this build of Emacs.
+ (when (fboundp 'fontset-list)
+ (let ((overriding-fontspec (get-language-info language-name
+ 'overriding-fontspec)))
+ (if overriding-fontspec
+ (set-overriding-fontspec-internal overriding-fontspec))))
+
(let ((func (get-language-info language-name 'setup-function)))
(if (functionp func)
(funcall func)))
+ (if (and utf-translate-cjk-mode
+ (not (eq utf-translate-cjk-lang-env language-name))
+ (catch 'tag
+ (dolist (charset (get-language-info language-name 'charset))
+ (if (memq charset utf-translate-cjk-charsets)
+ (throw 'tag t)))
+ nil))
+ (utf-translate-cjk-load-tables))
(run-hooks 'set-language-environment-hook)
(force-mode-line-update t))
;; 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 X fonts used to do the wrong thing for latin-1 code 160.
+ (unless (and (eq window-system 'x)
+ ;; XFree86 4 has fixed the fonts.
+ (string= "The XFree86 Project, Inc" (x-server-vendor))
+ (> (aref (number-to-string (nth 2 (x-server-version))) 0)
+ ?3))
+ ;; Make non-line-break space display as a plain space.
+ (aset standard-display-table 160 [32]))
;; 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,
"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."
+of `buffer-file-coding-system' set by this function."
(let* ((priority (get-language-info language-name 'coding-priority))
(default-coding (car priority)))
(if priority
(while priority
(set (car categories) (car priority))
(setq priority (cdr priority) categories (cdr categories)))
+ ;; Changing the binding of a coding category requires this call.
(update-coding-systems-internal)))))
-;; Print all arguments with `princ', then print "\n".
(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,
+;; Print 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]
(interactive
(list (read-language-name
'documentation
- "Describe language environment (default, current choice): ")))
+ "Describe language environment (default current choice): ")))
(if (null language-name)
(setq language-name current-language-environment))
(if (or (null language-name)
(error "No documentation for the specified language"))
(if (symbolp language-name)
(setq language-name (symbol-name language-name)))
- (let ((doc (get-language-info language-name 'documentation))
- pos)
+ (dolist (feature (get-language-info language-name 'features))
+ (require feature))
+ (let ((doc (get-language-info language-name 'documentation)))
(help-setup-xref (list #'describe-language-environment language-name)
(interactive-p))
(with-output-to-temp-buffer (help-buffer)
(l (copy-sequence input-method-alist)))
(insert "Input methods")
(when input-method
- (insert " (default, " 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")
;; http://www.din.de/gremien/nas/nabd/iso3166ma/codlstp1/en_listp1.html.
;; CODESET and MODIFIER are implementation-dependent.
- ; aa Afar
- ; ab Abkhazian
+ ;; jasonr comments: MS Windows uses three letter codes for
+ ;; languages instead of the two letter ISO codes that POSIX
+ ;; uses. In most cases the first two letters are the same, so
+ ;; most of the regexps in locale-language-names work. Japanese
+ ;; and Chinese are exceptions, which are listed in the
+ ;; non-standard section at the bottom of locale-language-names.
+
+ ("aa_DJ" . "Latin-1") ; Afar
+ ("aa" . "UTF-8")
+ ;; ab Abkhazian
("af" . "Latin-1") ; Afrikaans
- ("am" . "Ethiopic") ; Amharic
+ ("am" "Ethiopic" utf-8) ; Amharic
+ ("an" . "Latin-9") ; Aragonese
; ar Arabic glibc uses 8859-6
; as Assamese
; ay Aymara
- ; az Azerbaijani
+ ("az" . "UTF-8") ; Azerbaijani
; ba Bashkir
- ("be" . "Belarusian") ; Belarusian [Byelorussian until early 1990s]
- ("bg" . "Bulgarian") ; Bulgarian
+ ("be" "Belarusian" cp1251) ; Belarusian [Byelorussian until early 1990s]
+ ("bg" "Bulgarian" cp1251) ; Bulgarian
; bh Bihari
; bi Bislama
- ; bn Bengali, Bangla
+ ("bn" . "UTF-8") ; Bengali, Bangla
("bo" . "Tibetan")
("br" . "Latin-1") ; Breton
+ ("bs" . "Latin-2") ; Bosnian
+ ("byn" . "UTF-8") ; Bilin; Blin
("ca" . "Latin-1") ; Catalan
; co Corsican
- ("cs" . "Czech")
- ("cy" . "Latin-8") ; Welsh
+ ("cs" "Czech" iso-8859-2)
+ ("cy" "Welsh" iso-8859-14)
("da" . "Latin-1") ; Danish
- ("de" . "German")
+ ("de" "German" iso-8859-1)
; dz Bhutani
- ("el" . "Greek")
+ ("el" "Greek" iso-8859-7)
;; Users who specify "en" explicitly typically want Latin-1, not ASCII.
- ("en" . "Latin-1") ; English
+ ;; That's actually what the GNU locales define, modulo things like
+ ;; en_IN -- fx.
+ ("en_IN" "English" utf-8) ; glibc uses utf-8 for English in India
+ ("en" "English" iso-8859-1) ; English
("eo" . "Latin-3") ; Esperanto
- ("es" . "Spanish")
- ("et" . "Latin-4") ; Estonian
+ ("es" "Spanish" iso-8859-1)
+ ("et" . "Latin-1") ; Estonian
("eu" . "Latin-1") ; Basque
- ; fa Persian
+ ("fa" . "UTF-8") ; Persian
("fi" . "Latin-1") ; Finnish
- ; fj Fiji
+ ("fj" . "Latin-1") ; Fiji
("fo" . "Latin-1") ; Faroese
- ("fr" . "French") ; French
+ ("fr" "French" iso-8859-1) ; French
("fy" . "Latin-1") ; Frisian
("ga" . "Latin-1") ; Irish Gaelic (new orthography)
- ("gd" . "Latin-1") ; Scots Gaelic
- ("gl" . "Latin-1") ; Galician
+ ("gd" . "Latin-9") ; Scots Gaelic
+ ("gez" "Ethiopic" utf-8) ; Geez
+ ("gl" . "Latin-1") ; Gallegan; Galician
; gn Guarani
- ; gu Gujarati
- ("gv" . "Latin-8") ; Manx Gaelic
+ ("gu" . "UTF-8") ; Gujarati
+ ("gv" . "Latin-1") ; Manx Gaelic
; ha Hausa
- ("he" . "Hebrew")
- ("hi" . "Devanagari") ; Hindi glibc uses utf-8
- ("hr" . "Latin-2") ; Croatian
+ ("he" "Hebrew" iso-8859-8)
+ ("hi" "Devanagari" utf-8) ; Hindi
+ ("hr" "Croatian" iso-8859-2) ; Croatian
("hu" . "Latin-2") ; Hungarian
; hy Armenian
; ia Interlingua
; ie Interlingue
; ik Inupiak
("is" . "Latin-1") ; Icelandic
- ("it" . "Latin-1") ; Italian
+ ("it" "Italian" iso-8859-1) ; Italian
; iu Inuktitut
- ("ja" . "Japanese")
+ ("iw" "Hebrew" iso-8859-8)
+ ("ja" "Japanese" euc-jp)
; jw Javanese
- ("ka" . "Georgian") ; Georgian
+ ("ka" "Georgian" georgian-ps) ; Georgian
; kk Kazakh
("kl" . "Latin-1") ; Greenlandic
; km Cambodian
- ; kn Kannada
- ("ko" . "Korean")
+ ("kn" "Kannada" utf-8)
+ ("ko" "Korean" euc-kr)
; ks Kashmiri
; ku Kurdish
("kw" . "Latin-1") ; Cornish
; ky Kirghiz
("la" . "Latin-1") ; Latin
("lb" . "Latin-1") ; Luxemburgish
+ ("lg" . "Laint-6") ; Ganda
; ln Lingala
- ("lo" . "Lao") ; Laothian
- ("lt" . "Lithuanian")
+ ("lo" "Lao" utf-8) ; Laothian
+ ("lt" "Lithuanian" iso-8859-13)
("lv" . "Latvian") ; Latvian, Lettish
; mg Malagasy
("mi" . "Latin-7") ; Maori
- ("mk" . "Cyrillic-ISO") ; Macedonian
- ; ml Malayalam
- ; mn Mongolian
+ ("mk" "Cyrillic-ISO" iso-8859-5) ; Macedonian
+ ("ml" "Malayalam" utf-8)
+ ("mn" . "UTF-8") ; Mongolian
; mo Moldavian
- ("mr" . "Devanagari") ; Marathi glibc uses utf-8
+ ("mr" "Devanagari" utf-8) ; Marathi
("ms" . "Latin-1") ; Malay
("mt" . "Latin-3") ; Maltese
; my Burmese
; na Nauru
- ("ne" . "Devanagari") ; Nepali
- ("nl" . "Dutch")
+ ("nb" . "Latin-1") ; Norwegian
+ ("ne" "Devanagari" utf-8) ; Nepali
+ ("nl" "Dutch" iso-8859-1)
("no" . "Latin-1") ; Norwegian
("oc" . "Latin-1") ; Occitan
- ; om (Afan) Oromo
+ ("om_ET" . "UTF-8") ; (Afan) Oromo
+ ("om" . "Latin-1") ; (Afan) Oromo
; or Oriya
- ; pa Punjabi
+ ("pa" . "UTF-8") ; 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" . "Cyrillic-KOI8") ; Russian
- ("ru" . "Cyrillic-ISO") ; Russian
+ ("ro" "Romanian" iso-8859-2)
+ ("ru_RU" "Russian" iso-8859-5)
+ ("ru_UA" "Russian" koi8-u)
; rw Kinyarwanda
("sa" . "Devanagari") ; Sanskrit
; sd Sindhi
- ; se Northern Sami
+ ("se" . "UTF-8") ; Northern Sami
; sg Sangho
("sh" . "Latin-2") ; Serbo-Croatian
; si Sinhalese
- ("sk" . "Slovak")
- ("sl" . "Slovenian")
+ ("sid" . "UTF-8") ; Sidamo
+ ("sk" "Slovak" iso-8859-2)
+ ("sl" "Slovenian" iso-8859-2)
; sm Samoan
; sn Shona
- ; so Somali
+ ("so_ET" "UTF-8") ; Somali
+ ("so" "Latin-1") ; Somali
("sq" . "Latin-1") ; Albanian
+ ("sr_YU@cyrillic" . "Cyrillic-ISO") ; Serbian (Cyrillic alphabet)
("sr" . "Latin-2") ; Serbian (Latin alphabet)
- ("sr_YU@cyrillic" . "Cyrillic-ISO") ; per glibc
; ss Siswati
- ; st Sesotho
+ ("st" . "Latin-1") ; Sesotho
; su Sundanese
- ("sv" . "Latin-1") ; Swedish
+ ("sv" "Swedish" iso-8859-1) ; Swedish
("sw" . "Latin-1") ; Swahili
- ; ta Tamil glibc uses utf-8
- ; te Telugu glibc uses utf-8
- ("tg" . "Tajik")
- ("th" . "Thai")
- ; ti Tigrinya
+ ("ta" "Tamil" utf-8)
+ ("te" . "UTF-8") ; Telugu
+ ("tg" "Tajik" koi8-t)
+ ("th" "Thai" tis-620)
+ ("ti" "Ethiopic" utf-8) ; Tigrinya
+ ("tig_ER" . "UTF-8") ; Tigre
; tk Turkmen
("tl" . "Latin-1") ; Tagalog
; tn Setswana
; to Tonga
- ("tr" . "Latin-5") ; Turkish
+ ("tr" "Turkish" iso-8859-9)
; ts Tsonga
- ; tt Tatar
+ ("tt" . "UTF-8") ; Tatar
; tw Twi
; ug Uighur
- ("uk" . "Ukrainian") ; Ukrainian
- ; ur Urdu glibc uses utf-8
+ ("uk" "Ukrainian" koi8-u)
+ ("ur" . "UTF-8") ; Urdu
+ ("uz_UZ@cyrillic" . "UTF-8"); Uzbek
("uz" . "Latin-1") ; Uzbek
- ("vi" . "Vietnamese") ; glibc uses utf-8
+ ("vi" "Vietnamese" utf-8)
; vo Volapuk
+ ("wa" . "Latin-1") ; Walloon
; wo Wolof
- ; xh Xhosa
+ ("xh" . "Latin-1") ; Xhosa
("yi" . "Windows-1255") ; Yiddish
; yo Yoruba
; za Zhuang
-
- ; glibc:
+ ("zh_HK" . "Chinese-Big5")
+ ("zh_TW" . "Chinese-Big5")
+ ("zh_CN" . "Chinese-GB")
+ ("zh" . "Chinese-GB")
; zh_CN.GB18030/GB18030 \
; zh_CN.GBK/GBK \
; zh_HK/BIG5-HKSCS \
- ; zh_TW/BIG5 \
- ; zh_TW.EUC-TW/EUC-TW \
-
- ("zh.*[._]big5" . "Chinese-BIG5")
- ("zh.*[._]gbk" . nil) ; Solaris 2.7; has gbk-0 as well as GB 2312.1980-0
- ("zh_tw" . "Chinese-CNS")
- ("zh" . "Chinese-GB")
- ; zu Zulu
+ ("zu" . "Latin-1") ; Zulu
;; ISO standard locales
("c$" . "ASCII")
("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.")
+ "Alist of locale regexps vs the corresponding languages and coding systems.
+Each element has these form:
+ \(LOCALE-REGEXP LANG-ENV CODING-SYSTEM)
+The first element whose LOCALE-REGEXP matches the start of a
+downcased locale specifies the LANG-ENV \(language environtment)
+and CODING-SYSTEM corresponding to that locale. If there is no
+appropriate language environment, the element may have this form:
+ \(LOCALE-REGEXP . LANG-ENV)
+In this case, LANG-ENV is one of generic language environments for an
+specific encoding such as \"Latin-1\" and \"UTF-8\".")
(defconst locale-charset-language-names
(purecopy
(".*8859[-_]?9\\>" . "Latin-5")
(".*8859[-_]?14\\>" . "Latin-8")
(".*8859[-_]?15\\>" . "Latin-9")
- (".*utf\\(-?8\\)\\>" . "UTF-8")
+ (".*utf\\(?:-?8\\)?\\>" . "UTF-8")
;; utf-8@euro exists, so put this last. (@euro really specifies
;; the currency, rather than the charset.)
(".*@euro\\>" . "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.")
+specifies the language name whose charset corresponds to that locale.
+This language name is used if the locale is not listed in
+`locale-language-names'")
(defconst locale-preferred-coding-systems
(purecopy
- '(("ja.*[._]euc" . japanese-iso-8bit)
+ '((".*8859[-_]?1\\>" . iso-8859-1)
+ (".*8859[-_]?2\\>" . iso-8859-2)
+ (".*8859[-_]?3\\>" . iso-8859-3)
+ (".*8859[-_]?4\\>" . iso-8859-4)
+ (".*8859[-_]?9\\>" . iso-8859-9)
+ (".*8859[-_]?14\\>" . iso-8859-14)
+ (".*8859[-_]?15\\>" . iso-8859-15)
+ (".*utf\\(?:-?8\\)?" . utf-8)
+ ;; utf-8@euro exists, so put this after utf-8. (@euro really
+ ;; specifies the currency, rather than the charset.)
+ (".*@euro" . iso-8859-15)
+ ("koi8-?r" . koi8-r)
+ ("koi8-?u" . koi8-u)
+ ("tcvn" . tcvn)
+ ("big5" . big5)
+ ("euc-?tw" . euc-tw)
+ ;; We don't support GBK, but as it is upper compatible with
+ ;; GB-2312, we setup the default coding system to gb2312.
+ ("gbk" . gb2312)
+ ;; We don't support BIG5-HKSCS, but as it is upper compatible with
+ ;; BIG5, we setup the default coding system to big5.
+ ("big5hkscs" . big5)
+ ("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.")
-
-(defconst standard-keyboard-coding-systems
- (purecopy
- '(iso-latin-1 iso-latin-2 iso-latin-3 iso-latin-4 iso-latin-5
- iso-latin-6 iso-latin-7 iso-latin-8 iso-latin-9 koi8-u koi8-r))
- "Coding systems that are commonly used for keyboards.
-`set-locale-environment' will set the `keyboard-coding-system' if the
-coding-system specified by the locale setting is a member of this list.")
+specifies the coding system to prefer when using that locale.
+This coding system is used if the locale specifies a specific charset.")
(defun locale-name-match (key alist)
"Search for KEY in ALIST, which should be a list of regexp-value pairs.
(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)))
+
+(defvar locale-charset-alist nil
+ "Coding system alist keyed on locale-style charset name.
+Used by `locale-charset-to-coding-system'.")
+
+(defun locale-charset-to-coding-system (charset)
+ "Find coding system corresponding to CHARSET.
+CHARSET is any sort of non-Emacs charset name, such as might be used
+in a locale codeset, or elsewhere. It is matched to a coding system
+first by case-insensitive lookup in `locale-charset-alist'. Then
+matches are looked for in the coding system list, treating case and
+the characters `-' and `_' as insignificant. The coding system base
+is returned. Thus, for instance, if charset \"ISO8859-2\",
+`iso-latin-2' is returned."
+ (or (car (assoc-string charset locale-charset-alist t))
+ (let ((cs coding-system-alist)
+ c)
+ (while (and (not c) cs)
+ (if (locale-charset-match-p charset (caar cs))
+ (setq c (intern (caar cs)))
+ (pop cs)))
+ (if c (coding-system-base c)))))
+
+;; Fixme: This ought to deal with the territory part of the locale
+;; too, for setting things such as calendar holidays, ps-print paper
+;; size, spelling dictionary.
+
(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.
+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. `@euro'
+or `@cyrillic'.
If LOCALE-NAME is nil, its value is taken from the environment
-variables LC_ALL, LC_CTYLE and LANG (the first one that is set).
+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
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/share/X11/locale/locale.alias" ; e.g. X11R7
+ "/usr/lib/X11/locale/locale.alias" ; e.g. X11R6.4
+ "/usr/X11R6/lib/X11/locale/locale.alias" ; XFree86, 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,
;; Use the first of these three environment variables
;; that has a nonempty value.
(let ((vars '("LC_ALL" "LC_CTYPE" "LANG")))
- (while (and vars (not (setq locale (getenv (car vars)))))
- (setq vars (cdr vars)))))
+ (while (and vars
+ (= 0 (length locale))) ; nil or empty string
+ (setq locale (getenv (pop vars))))))
+
+ (unless locale
+ ;; The two tests are kept separate so the byte-compiler sees
+ ;; that mac-get-preference is only called after checking its existence.
+ (when (fboundp 'mac-get-preference)
+ (setq locale (mac-get-preference "AppleLocale"))
+ (unless locale
+ (let ((languages (mac-get-preference "AppleLanguages")))
+ (unless (= (length languages) 0) ; nil or empty vector
+ (setq locale (aref languages 0)))))))
+ (unless (or locale (not (boundp 'mac-system-locale)))
+ (setq locale mac-system-locale))
(when locale
(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))
+ (or (locale-name-match locale locale-preferred-coding-systems)
+ (when locale
+ (if (string-match "\\.\\([^@]+\\)" locale)
+ (locale-charset-to-coding-system
+ (match-string 1 locale))))
+ (and (eq system-type 'macos) mac-system-coding-system))))
+
+ (if (consp language-name)
+ ;; locale-language-names specify both lang-env and coding.
+ ;; But, what specified in locale-preferred-coding-systems
+ ;; has higher priority.
+ (setq coding-system (or coding-system
+ (nth 1 language-name))
+ language-name (car language-name))
+ ;; Otherwise, if locale is not listed in locale-language-names,
+ ;; use what listed in locale-charset-language-names.
+ (if (not language-name)
+ (setq language-name charset-language-name)))
(when language-name
;; 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.
- (let ((kcs (or coding-system
- (car (get-language-info language-name
- 'coding-system)))))
- (if (memq kcs standard-keyboard-coding-systems)
- (set-keyboard-coding-system kcs)))
+ (set-display-table-and-terminal-coding-system
+ language-name coding-system))
+
+ ;; 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
+ (when (and coding-system
+ (not (coding-system-equal coding-system
+ locale-coding-system)))
(prefer-coding-system coding-system)
- (setq locale-coding-system coding-system))))))
+ (setq locale-coding-system coding-system))))
+
+ ;; On Windows, override locale-coding-system,
+ ;; keyboard-coding-system with system codepage. Note:
+ ;; selection-coding-system is already set in w32select.c.
+ (when (boundp 'w32-ansi-code-page)
+ (let ((code-page-coding (intern (format "cp%d" w32-ansi-code-page))))
+ (when (coding-system-p code-page-coding)
+ (setq locale-coding-system code-page-coding)
+ (set-keyboard-coding-system code-page-coding)
+ (set-terminal-coding-system code-page-coding))))
+
+ (when (eq system-type 'darwin)
+ ;; On Darwin, file names are always encoded in utf-8, no matter
+ ;; the locale.
+ (setq default-file-name-coding-system 'utf-8)
+ ;; Mac OS X's Terminal.app by default uses utf-8 regardless of
+ ;; the locale.
+ (when (and (null window-system)
+ (equal (getenv "TERM_PROGRAM") "Apple_Terminal"))
+ (set-terminal-coding-system 'utf-8)
+ (set-keyboard-coding-system 'utf-8)))
+
+ ;; 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)
+ ("enu$" . letter) ; Windows
+ ("esu$" . letter)
+ ("enc$" . letter)
+ ("frc$" . letter)))
+ 'a4))))))
+ nil)
\f
;;; Charset property
(if (and coding-system (eq (coding-system-type coding-system) 2))
;; 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))))
+ (format "#x%02X" x))))
+ (function (lambda (x) (format "#x%02X" x))))
str " "))
(defun encode-coding-char (char coding-system)
(and safe-chars (aref safe-chars char)))
;; We must find the encoded string of CHAR. But, just encoding
;; CHAR will put extra control sequences (usually to designate
- ;; ASCII charaset) at the tail if type of CODING is ISO 2022.
+ ;; 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.
(substring enc2 0 i2))))
+;; arch-tag: b382c432-4b36-460e-bf4c-05efd0bb18dc
;;; mule-cmds.el ends here