;;; mm-util.el --- Utility functions for Mule and low level things
-;; Copyright (C) 1998-2015 Free Software Foundation, Inc.
+;; Copyright (C) 1998-2016 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; MORIOKA Tomohiko <morioka@jaist.ac.jp>
(eval-when-compile (require 'cl))
(require 'mail-prsvr)
+(require 'timer)
-(eval-and-compile
- (if (featurep 'xemacs)
- (unless (ignore-errors
- (require 'timer-funcs))
- (require 'timer))
- (require 'timer)))
-
-(defvar mm-mime-mule-charset-alist )
-;; Note this is not presently used on Emacs >= 23, which is good,
-;; since it means standalone message-mode (which requires mml and
-;; hence mml-util) does not load gnus-util.
-(autoload 'gnus-completing-read "gnus-util")
-
-;; Emulate functions that are not available in every (X)Emacs version.
-;; The name of a function is prefixed with mm-, like `mm-char-int' for
-;; `char-int' that is a native XEmacs function, not available in Emacs.
-;; Gnus programs all should use mm- functions, not the original ones.
-(eval-and-compile
- (mapc
- (lambda (elem)
- (let ((nfunc (intern (format "mm-%s" (car elem)))))
- (if (fboundp (car elem))
- (defalias nfunc (car elem))
- (defalias nfunc (cdr elem)))))
- `(;; `coding-system-list' is not available in XEmacs 21.4 built
- ;; without the `file-coding' feature.
- (coding-system-list . ignore)
- ;; `char-int' is an XEmacs function, not available in Emacs.
- (char-int . identity)
- ;; `coding-system-equal' is an Emacs function, not available in XEmacs.
- (coding-system-equal . equal)
- ;; `annotationp' is an XEmacs function, not available in Emacs.
- (annotationp . ignore)
- ;; `set-buffer-file-coding-system' is not available in XEmacs 21.4
- ;; built without the `file-coding' feature.
- (set-buffer-file-coding-system . ignore)
- ;; `read-charset' is an Emacs function, not available in XEmacs.
- (read-charset
- . ,(lambda (prompt)
- "Return a charset."
- (intern
- (gnus-completing-read
- prompt
- (mapcar (lambda (e) (symbol-name (car e)))
- mm-mime-mule-charset-alist)
- t))))
- ;; `subst-char-in-string' is not available in XEmacs 21.4.
- (subst-char-in-string
- . ,(lambda (from to string &optional inplace)
- ;; stolen (and renamed) from nnheader.el
- "Replace characters in STRING from FROM to TO.
- Unless optional argument INPLACE is non-nil, return a new string."
- (let ((string (if inplace string (copy-sequence string)))
- (len (length string))
- (idx 0))
- ;; Replace all occurrences of FROM with TO.
- (while (< idx len)
- (when (= (aref string idx) from)
- (aset string idx to))
- (setq idx (1+ idx)))
- string)))
- ;; `replace-in-string' is an XEmacs function, not available in Emacs.
- (replace-in-string
- . ,(lambda (string regexp rep &optional literal)
- "See `replace-regexp-in-string', only the order of args differs."
- (replace-regexp-in-string regexp rep string nil literal)))
- ;; `string-as-unibyte' is an Emacs function, not available in XEmacs.
- (string-as-unibyte . identity)
- ;; `string-make-unibyte' is an Emacs function, not available in XEmacs.
- (string-make-unibyte . identity)
- ;; string-as-multibyte often doesn't really do what you think it does.
- ;; Example:
- ;; (aref (string-as-multibyte "\201") 0) -> 129 (aka ?\201)
- ;; (aref (string-as-multibyte "\300") 0) -> 192 (aka ?\300)
- ;; (aref (string-as-multibyte "\300\201") 0) -> 192 (aka ?\300)
- ;; (aref (string-as-multibyte "\300\201") 1) -> 129 (aka ?\201)
- ;; but
- ;; (aref (string-as-multibyte "\201\300") 0) -> 2240
- ;; (aref (string-as-multibyte "\201\300") 1) -> <error>
- ;; Better use string-to-multibyte or encode-coding-string.
- ;; If you really need string-as-multibyte somewhere it's usually
- ;; because you're using the internal emacs-mule representation (maybe
- ;; because you're using string-as-unibyte somewhere), which is
- ;; generally a problem in itself.
- ;; Here is an approximate equivalence table to help think about it:
- ;; (string-as-multibyte s) ~= (decode-coding-string s 'emacs-mule)
- ;; (string-to-multibyte s) ~= (decode-coding-string s 'binary)
- ;; (string-make-multibyte s) ~= (decode-coding-string s locale-coding-system)
- ;; `string-as-multibyte' is an Emacs function, not available in XEmacs.
- (string-as-multibyte . identity)
- ;; `multibyte-string-p' is an Emacs function, not available in XEmacs.
- (multibyte-string-p . ignore)
- ;; `insert-byte' is available only in Emacs 23.1 or greater.
- (insert-byte . insert-char)
- ;; `multibyte-char-to-unibyte' is an Emacs function, not available
- ;; in XEmacs.
- (multibyte-char-to-unibyte . identity)
- ;; `set-buffer-multibyte' is an Emacs function, not available in XEmacs.
- (set-buffer-multibyte . ignore)
- ;; `substring-no-properties' is available only in Emacs 22.1 or greater.
- (substring-no-properties
- . ,(lambda (string &optional from to)
- "Return a substring of STRING, without text properties.
-It starts at index FROM and ending before TO.
-TO may be nil or omitted; then the substring runs to the end of STRING.
-If FROM is nil or omitted, the substring starts at the beginning of STRING.
-If FROM or TO is negative, it counts from the end.
-
-With one argument, just copy STRING without its properties."
- (setq string (substring string (or from 0) to))
- (set-text-properties 0 (length string) nil string)
- string))
- ;; `line-number-at-pos' is available only in Emacs 22.1 or greater
- ;; and XEmacs 21.5.
- (line-number-at-pos
- . ,(lambda (&optional pos)
- "Return (narrowed) buffer line number at position POS.
-If POS is nil, use current buffer location.
-Counting starts at (point-min), so the value refers
-to the contents of the accessible portion of the buffer."
- (let ((opoint (or pos (point))) start)
- (save-excursion
- (goto-char (point-min))
- (setq start (point))
- (goto-char opoint)
- (forward-line 0)
- (1+ (count-lines start (point))))))))))
-
-;; `special-display-p' is an Emacs function, not available in XEmacs.
-(defalias 'mm-special-display-p
- (if (featurep 'emacs)
- 'special-display-p
- (lambda (buffer-name)
- "Returns non-nil if a buffer named BUFFER-NAME gets a special frame."
- (and special-display-function
- (or (and (member buffer-name special-display-buffer-names) t)
- (cdr (assoc buffer-name special-display-buffer-names))
- (catch 'return
- (dolist (elem special-display-regexps)
- (and (stringp elem)
- (string-match elem buffer-name)
- (throw 'return t))
- (and (consp elem)
- (stringp (car elem))
- (string-match (car elem) buffer-name)
- (throw 'return (cdr elem))))))))))
-
-;; `decode-coding-string', `encode-coding-string', `decode-coding-region'
-;; and `encode-coding-region' are available in Emacs and XEmacs built with
-;; the `file-coding' feature, but the XEmacs versions treat nil, that is
-;; given as the `coding-system' argument, as the `binary' coding system.
-(eval-and-compile
- (if (featurep 'xemacs)
- (if (featurep 'file-coding)
- (progn
- (defun mm-decode-coding-string (str coding-system)
- (if coding-system
- (decode-coding-string str coding-system)
- str))
- (defun mm-encode-coding-string (str coding-system)
- (if coding-system
- (encode-coding-string str coding-system)
- str))
- (defun mm-decode-coding-region (start end coding-system)
- (if coding-system
- (decode-coding-region start end coding-system)))
- (defun mm-encode-coding-region (start end coding-system)
- (if coding-system
- (encode-coding-region start end coding-system))))
- (defun mm-decode-coding-string (str coding-system) str)
- (defun mm-encode-coding-string (str coding-system) str)
- (defalias 'mm-decode-coding-region 'ignore)
- (defalias 'mm-encode-coding-region 'ignore))
- (defalias 'mm-decode-coding-string 'decode-coding-string)
- (defalias 'mm-encode-coding-string 'encode-coding-string)
- (defalias 'mm-decode-coding-region 'decode-coding-region)
- (defalias 'mm-encode-coding-region 'encode-coding-region)))
-
-;; `string-to-multibyte' is available only in Emacs.
-(defalias 'mm-string-to-multibyte (if (featurep 'xemacs)
- 'identity
- 'string-to-multibyte))
-
-;; `char-or-char-int-p' is an XEmacs function, not available in Emacs.
-(eval-and-compile
- (defalias 'mm-char-or-char-int-p
- (cond
- ((fboundp 'char-or-char-int-p) 'char-or-char-int-p)
- ((fboundp 'char-valid-p) 'char-valid-p)
- (t 'identity))))
-
-;; `ucs-to-char' is a function that Mule-UCS provides.
-(eval-and-compile
- (if (featurep 'xemacs)
- (cond ((and (fboundp 'unicode-to-char) ;; XEmacs 21.5.
- (subrp (symbol-function 'unicode-to-char)))
- (if (featurep 'mule)
- (defalias 'mm-ucs-to-char 'unicode-to-char)
- (defun mm-ucs-to-char (codepoint)
- "Convert Unicode codepoint to character."
- (or (unicode-to-char codepoint) ?#))))
- ((featurep 'mule)
- (defun mm-ucs-to-char (codepoint)
- "Convert Unicode codepoint to character."
- (if (fboundp 'ucs-to-char) ;; Mule-UCS is loaded.
- (progn
- (defalias 'mm-ucs-to-char
- (lambda (codepoint)
- "Convert Unicode codepoint to character."
- (condition-case nil
- (or (ucs-to-char codepoint) ?#)
- (error ?#))))
- (mm-ucs-to-char codepoint))
- (condition-case nil
- (or (int-to-char codepoint) ?#)
- (error ?#)))))
- (t
- (defun mm-ucs-to-char (codepoint)
- "Convert Unicode codepoint to character."
- (condition-case nil
- (or (int-to-char codepoint) ?#)
- (error ?#)))))
- (if (let ((char (make-char 'japanese-jisx0208 36 34)))
- (eq char (decode-char 'ucs char)))
- ;; Emacs 23.
- (defalias 'mm-ucs-to-char 'identity)
- (defun mm-ucs-to-char (codepoint)
- "Convert Unicode codepoint to character."
- (or (decode-char 'ucs codepoint) ?#)))))
-
-;; Fixme: This seems always to be used to read a MIME charset, so it
-;; should be re-named and fixed (in Emacs) to offer completion only on
-;; proper charset names (base coding systems which have a
-;; mime-charset defined). XEmacs doesn't believe in mime-charset;
-;; test with
-;; `(or (coding-system-get 'iso-8859-1 'mime-charset)
-;; (coding-system-get 'iso-8859-1 :mime-charset))'
-;; Actually, there should be an `mm-coding-system-mime-charset'.
-(eval-and-compile
- (defalias 'mm-read-coding-system
- (if (featurep 'emacs) 'read-coding-system
- (cond
- ((fboundp 'read-coding-system)
- (if (and (featurep 'xemacs)
- (<= (string-to-number emacs-version) 21.1))
- (lambda (prompt &optional default-coding-system)
- (read-coding-system prompt))
- 'read-coding-system))
- (t (lambda (prompt &optional default-coding-system)
- "Prompt the user for a coding system."
- (gnus-completing-read
- prompt (mapcar (lambda (s) (symbol-name (car s)))
- mm-mime-mule-charset-alist))))))))
+(defvar mm-mime-mule-charset-alist)
+
+(defun mm-ucs-to-char (codepoint)
+ "Convert Unicode codepoint to character."
+ (or (decode-char 'ucs codepoint) ?#))
(defvar mm-coding-system-list nil)
(defun mm-get-coding-system-list ()
"Get the coding system list."
(or mm-coding-system-list
- (setq mm-coding-system-list (mm-coding-system-list))))
+ (setq mm-coding-system-list (coding-system-list))))
(defun mm-coding-system-p (cs)
- "Return non-nil if CS is a symbol naming a coding system.
-In XEmacs, also return non-nil if CS is a coding system object.
-If CS is available, return CS itself in Emacs, and return a coding
-system object in XEmacs."
- (if (fboundp 'find-coding-system)
- (and cs (find-coding-system cs))
- (if (fboundp 'coding-system-p)
- (when (coding-system-p cs)
- cs)
- ;; no-MULE XEmacs:
- (car (memq cs (mm-get-coding-system-list))))))
+ "Return CS if CS is a coding system."
+ (and (coding-system-p cs)
+ cs))
(defvar mm-charset-synonym-alist
`(
(mm-coding-system-p 'iso-8859-1))
'((iso_8859-1 . iso-8859-1)))
)
- "A mapping from unknown or invalid charset names to the real charset names.
-
-See `mm-codepage-iso-8859-list' and `mm-codepage-ibm-list'.")
-
-(defun mm-codepage-setup (number &optional alias)
- "Create a coding system cpNUMBER.
-The coding system is created using `codepage-setup'. If ALIAS is
-non-nil, an alias is created and added to
-`mm-charset-synonym-alist'. If ALIAS is a string, it's used as
-the alias. Else windows-NUMBER is used."
- (interactive
- (let ((completion-ignore-case t)
- (candidates (if (fboundp 'cp-supported-codepages)
- (cp-supported-codepages)
- ;; Removed in Emacs 23 (unicode), so signal an error:
- (error "`codepage-setup' not present in this Emacs version"))))
- (list (gnus-completing-read "Setup DOS Codepage" candidates
- t nil nil "437"))))
- (when alias
- (setq alias (if (stringp alias)
- (intern alias)
- (intern (format "windows-%s" number)))))
- (let* ((cp (intern (format "cp%s" number))))
- (unless (mm-coding-system-p cp)
- (if (fboundp 'codepage-setup) ; silence compiler
- (codepage-setup number)
- (error "`codepage-setup' not present in this Emacs version")))
- (when (and alias
- ;; Don't add alias if setup of cp failed.
- (mm-coding-system-p cp))
- (add-to-list 'mm-charset-synonym-alist (cons alias cp)))))
-
-(defcustom mm-codepage-iso-8859-list
- (list 1250 ;; Windows-1250 is a variant of Latin-2 heavily used by Microsoft
- ;; Outlook users in Czech republic. Use this to allow reading of
- ;; their e-mails.
- '(1252 . 1) ;; Windows-1252 is a superset of iso-8859-1 (West
- ;; Europe). See also `gnus-article-dumbquotes-map'.
- '(1254 . 9) ;; Windows-1254 is a superset of iso-8859-9 (Turkish).
- '(1255 . 8));; Windows-1255 is a superset of iso-8859-8 (Hebrew).
- "A list of Windows codepage numbers and iso-8859 charset numbers.
-
-If an element is a number corresponding to a supported windows
-codepage, appropriate entries to `mm-charset-synonym-alist' are
-added by `mm-setup-codepage-iso-8859'. An element may also be a
-cons cell where the car is a codepage number and the cdr is the
-corresponding number of an iso-8859 charset."
- :type '(list (set :inline t
- (const 1250 :tag "Central and East European")
- (const (1252 . 1) :tag "West European")
- (const (1254 . 9) :tag "Turkish")
- (const (1255 . 8) :tag "Hebrew"))
- (repeat :inline t
- :tag "Other options"
- (choice
- (integer :tag "Windows codepage number")
- (cons (integer :tag "Windows codepage number")
- (integer :tag "iso-8859 charset number")))))
- :version "22.1" ;; Gnus 5.10.9
- :group 'mime)
-
-(defcustom mm-codepage-ibm-list
- (list 437 ;; (US etc.)
- 860 ;; (Portugal)
- 861 ;; (Iceland)
- 862 ;; (Israel)
- 863 ;; (Canadian French)
- 865 ;; (Nordic)
- 852 ;;
- 850 ;; (Latin 1)
- 855 ;; (Cyrillic)
- 866 ;; (Cyrillic - Russian)
- 857 ;; (Turkish)
- 864 ;; (Arabic)
- 869 ;; (Greek)
- 874);; (Thai)
- ;; In Emacs 23 (unicode), cp... and ibm... are aliases.
- ;; Cf. http://thread.gmane.org/v9lkng5nwy.fsf@marauder.physik.uni-ulm.de
- "List of IBM codepage numbers.
-
-The codepage mappings slightly differ between IBM and other vendors.
-See \"ftp://ftp.unicode.org/Public/MAPPINGS/VENDORS/IBM/README.TXT\".
-
-If an element is a number corresponding to a supported windows
-codepage, appropriate entries to `mm-charset-synonym-alist' are
-added by `mm-setup-codepage-ibm'."
- :type '(list (set :inline t
- (const 437 :tag "US etc.")
- (const 860 :tag "Portugal")
- (const 861 :tag "Iceland")
- (const 862 :tag "Israel")
- (const 863 :tag "Canadian French")
- (const 865 :tag "Nordic")
- (const 852)
- (const 850 :tag "Latin 1")
- (const 855 :tag "Cyrillic")
- (const 866 :tag "Cyrillic - Russian")
- (const 857 :tag "Turkish")
- (const 864 :tag "Arabic")
- (const 869 :tag "Greek")
- (const 874 :tag "Thai"))
- (repeat :inline t
- :tag "Other options"
- (integer :tag "Codepage number")))
- :version "22.1" ;; Gnus 5.10.9
- :group 'mime)
-
-(defun mm-setup-codepage-iso-8859 (&optional list)
- "Add appropriate entries to `mm-charset-synonym-alist'.
-Unless LIST is given, `mm-codepage-iso-8859-list' is used."
- (unless list
- (setq list mm-codepage-iso-8859-list))
- (dolist (i list)
- (let (cp windows iso)
- (if (consp i)
- (setq cp (intern (format "cp%d" (car i)))
- windows (intern (format "windows-%d" (car i)))
- iso (intern (format "iso-8859-%d" (cdr i))))
- (setq cp (intern (format "cp%d" i))
- windows (intern (format "windows-%d" i))))
- (unless (mm-coding-system-p windows)
- (if (mm-coding-system-p cp)
- (add-to-list 'mm-charset-synonym-alist (cons windows cp))
- (add-to-list 'mm-charset-synonym-alist (cons windows iso)))))))
-
-(defun mm-setup-codepage-ibm (&optional list)
- "Add appropriate entries to `mm-charset-synonym-alist'.
-Unless LIST is given, `mm-codepage-ibm-list' is used."
- (unless list
- (setq list mm-codepage-ibm-list))
- (dolist (number list)
- (let ((ibm (intern (format "ibm%d" number)))
- (cp (intern (format "cp%d" number))))
- (when (and (not (mm-coding-system-p ibm))
- (mm-coding-system-p cp))
- (add-to-list 'mm-charset-synonym-alist (cons ibm cp))))))
-
-;; Initialize:
-(mm-setup-codepage-iso-8859)
-(mm-setup-codepage-ibm)
+ "A mapping from unknown or invalid charset names to the real charset names.")
;; Note: this has to be defined before `mm-charset-to-coding-system'.
-(defcustom mm-charset-eval-alist
- (if (featurep 'xemacs)
- nil ;; I don't know what would be useful for XEmacs.
- '(;; Emacs 22 provides autoloads for 1250-1258
- ;; (i.e. `mm-codepage-setup' does nothing).
- (windows-1250 . (mm-codepage-setup 1250 t))
- (windows-1251 . (mm-codepage-setup 1251 t))
- (windows-1253 . (mm-codepage-setup 1253 t))
- (windows-1257 . (mm-codepage-setup 1257 t))))
+(defcustom mm-charset-eval-alist nil
"An alist of (CHARSET . FORM) pairs.
If an article is encoded in an unknown CHARSET, FORM is
-evaluated. This allows to load additional libraries providing
-charsets on demand. If supported by your Emacs version, you
-could use `autoload-coding-system' here."
+evaluated. This allows the loading of additional libraries
+providing charsets on demand. If supported by your Emacs
+version, you could use `autoload-coding-system' here."
:version "22.1" ;; Gnus 5.10.9
- :type '(list (set :inline t
- (const (windows-1250 . (mm-codepage-setup 1250 t)))
- (const (windows-1251 . (mm-codepage-setup 1251 t)))
- (const (windows-1253 . (mm-codepage-setup 1253 t)))
- (const (windows-1257 . (mm-codepage-setup 1257 t)))
- (const (cp850 . (mm-codepage-setup 850 nil))))
- (repeat :inline t
+ :type '(list (repeat :inline t
:tag "Other options"
(cons (symbol :tag "charset")
(symbol :tag "form"))))
;; Fixme: some of the cars here aren't valid MIME charsets. That
;; should only matter with XEmacs, though.
(defvar mm-mime-mule-charset-alist
- `((us-ascii ascii)
+ '((us-ascii ascii)
(iso-8859-1 latin-iso8859-1)
(iso-8859-2 latin-iso8859-2)
(iso-8859-3 latin-iso8859-3)
(iso-2022-jp-3 latin-jisx0201 japanese-jisx0208-1978 japanese-jisx0208
japanese-jisx0213-1 japanese-jisx0213-2)
(shift_jis latin-jisx0201 katakana-jisx0201 japanese-jisx0208)
- ,(cond ((fboundp 'unicode-precedence-list)
- (cons 'utf-8 (delq 'ascii (mapcar 'charset-name
- (unicode-precedence-list)))))
- ((or (not (fboundp 'charsetp)) ;; non-Mule case
- (charsetp 'unicode-a)
- (not (mm-coding-system-p 'mule-utf-8)))
- '(utf-8 unicode-a unicode-b unicode-c unicode-d unicode-e))
- (t ;; If we have utf-8 we're in Mule 5+.
- (append '(utf-8)
- (delete 'ascii
- (coding-system-get 'mule-utf-8 'safe-charsets))))))
+ (utf-8))
"Alist of MIME-charset/MULE-charsets.")
-(defun mm-enrich-utf-8-by-mule-ucs ()
- "Make the `utf-8' MIME charset usable by the Mule-UCS package.
-This function will run when the `un-define' module is loaded under
-XEmacs, and fill the `utf-8' entry in `mm-mime-mule-charset-alist'
-with Mule charsets. It is completely useless for Emacs."
- (when (boundp 'unicode-basic-translation-charset-order-list)
- (condition-case nil
- (let ((val (delq
- 'ascii
- (copy-sequence
- (symbol-value
- 'unicode-basic-translation-charset-order-list))))
- (elem (assq 'utf-8 mm-mime-mule-charset-alist)))
- (if elem
- (setcdr elem val)
- (setq mm-mime-mule-charset-alist
- (nconc mm-mime-mule-charset-alist
- (list (cons 'utf-8 val))))))
- (error))))
-
;; Correct by construction, but should be unnecessary for Emacs:
-(if (featurep 'xemacs)
- (eval-after-load "un-define" '(mm-enrich-utf-8-by-mule-ucs))
- (when (and (fboundp 'coding-system-list)
- (fboundp 'sort-coding-systems))
- (let ((css (sort-coding-systems (coding-system-list 'base-only)))
- cs mime mule alist)
- (while css
- (setq cs (pop css)
- mime (or (coding-system-get cs :mime-charset); Emacs 23 (unicode)
- (coding-system-get cs 'mime-charset)))
- (when (and mime
- (not (eq t (setq mule
- (coding-system-get cs 'safe-charsets))))
- (not (assq mime alist)))
- (push (cons mime (delq 'ascii mule)) alist)))
- (setq mm-mime-mule-charset-alist (nreverse alist)))))
+(when (and (fboundp 'coding-system-list)
+ (fboundp 'sort-coding-systems))
+ (let ((css (sort-coding-systems (coding-system-list 'base-only)))
+ cs mime mule alist)
+ (while css
+ (setq cs (pop css)
+ mime (or (coding-system-get cs :mime-charset) ; Emacs 23 (unicode)
+ (coding-system-get cs 'mime-charset)))
+ (when (and mime
+ (not (eq t (setq mule
+ (coding-system-get cs 'safe-charsets))))
+ (not (assq mime alist)))
+ (push (cons mime (delq 'ascii mule)) alist)))
+ (setq mm-mime-mule-charset-alist (nreverse alist))))
(defvar mm-hack-charsets '(iso-8859-15 iso-2022-jp-2)
"A list of special charsets.
"A table of the difference character between ISO-8859-X and ISO-8859-15.")
(defcustom mm-coding-system-priorities
- (let ((lang (if (boundp 'current-language-environment)
- (symbol-value 'current-language-environment))))
- (cond (;; XEmacs without Mule but with `file-coding'.
- (not lang) nil)
- ;; In XEmacs 21.5 it may be the one like "Japanese (UTF-8)".
- ((string-match "\\`Japanese" lang)
- ;; Japanese users prefer iso-2022-jp to others usually used
- ;; for `buffer-file-coding-system', however iso-8859-1 should
- ;; be used when there are only ASCII and Latin-1 characters.
- '(iso-8859-1 iso-2022-jp utf-8))))
+ (and (string-match "\\`Japanese" current-language-environment)
+ ;; Japanese users prefer iso-2022-jp to others usually used
+ ;; for `buffer-file-coding-system', however iso-8859-1 should
+ ;; be used when there are only ASCII and Latin-1 characters.
+ '(iso-8859-1 iso-2022-jp utf-8))
"Preferred coding systems for encoding outgoing messages.
More than one suitable coding system may be found for some text.
:group 'mime)
;; ??
-(defvar mm-use-find-coding-systems-region
- (fboundp 'find-coding-systems-region)
+(defvar mm-use-find-coding-systems-region t
"Use `find-coding-systems-region' to find proper coding systems.
Setting it to nil is useful on Emacsen supporting Unicode if sending
(defun mm-mule-charset-to-mime-charset (charset)
"Return the MIME charset corresponding to the given Mule CHARSET."
- (if (and (fboundp 'find-coding-systems-for-charsets)
- (fboundp 'sort-coding-systems))
- (let ((css (sort (sort-coding-systems
- (find-coding-systems-for-charsets (list charset)))
- 'mm-sort-coding-systems-predicate))
- cs mime)
- (while (and (not mime)
- css)
- (when (setq cs (pop css))
- (setq mime (or (coding-system-get cs :mime-charset)
- (coding-system-get cs 'mime-charset)))))
- mime)
- (let ((alist (mapcar (lambda (cs)
- (assq cs mm-mime-mule-charset-alist))
- (sort (mapcar 'car mm-mime-mule-charset-alist)
- 'mm-sort-coding-systems-predicate)))
- out)
- (while alist
- (when (memq charset (cdar alist))
- (setq out (caar alist)
- alist nil))
- (pop alist))
- out)))
-
-(eval-and-compile
- (if (featurep 'xemacs)
- (defalias 'mm-enable-multibyte 'ignore)
- (defun mm-enable-multibyte ()
- "Set the multibyte flag of the current buffer.
+ (let ((css (sort (sort-coding-systems
+ (find-coding-systems-for-charsets (list charset)))
+ 'mm-sort-coding-systems-predicate))
+ cs mime)
+ (while (and (not mime)
+ css)
+ (when (setq cs (pop css))
+ (setq mime (or (coding-system-get cs :mime-charset)
+ (coding-system-get cs 'mime-charset)))))
+ mime))
+
+(defun mm-enable-multibyte ()
+ "Set the multibyte flag of the current buffer.
Only do this if the default value of `enable-multibyte-characters' is
-non-nil. This is a no-op in XEmacs."
- (set-buffer-multibyte 'to)))
+non-nil."
+ (set-buffer-multibyte 'to))
- (if (featurep 'xemacs)
- (defalias 'mm-disable-multibyte 'ignore)
- (defun mm-disable-multibyte ()
- "Unset the multibyte flag of in the current buffer.
-This is a no-op in XEmacs."
- (set-buffer-multibyte nil))))
+(defun mm-disable-multibyte ()
+ "Unset the multibyte flag of in the current buffer."
+ (set-buffer-multibyte nil))
(defun mm-preferred-coding-system (charset)
;; A typo in some Emacs versions.
mail-parse-mule-charset ;; cached mule-charset
(progn
(setq mail-parse-mule-charset
- (and (boundp 'current-language-environment)
- (car (last
+ (and (car (last
(assq 'charset
(assoc current-language-environment
language-info-alist))))))
(defun mm-charset-after (&optional pos)
"Return charset of a character in current buffer at position POS.
If POS is nil, it defaults to the current point.
-If POS is out of range, the value is nil.
-If the charset is `composition', return the actual one."
+If POS is out of range, the value is nil."
(let ((char (char-after pos)) charset)
- (if (< (mm-char-int char) 128)
+ (if (< char 128)
(setq charset 'ascii)
- ;; charset-after is fake in some Emacsen.
- (setq charset (and (fboundp 'char-charset) (char-charset char)))
- (if (eq charset 'composition) ; Mule 4
- (let ((p (or pos (point))))
- (cadr (find-charset-region p (1+ p))))
- (if (and charset (not (memq charset '(ascii eight-bit-control
- eight-bit-graphic))))
- charset
- (mm-guess-charset))))))
+ (setq charset (char-charset char))
+ (if (and charset (not (memq charset '(ascii eight-bit-control
+ eight-bit-graphic))))
+ charset
+ (mm-guess-charset)))))
(defun mm-mime-charset (charset)
"Return the MIME charset corresponding to the given Mule CHARSET."
- (if (eq charset 'unknown)
- (error "The message contains non-printable characters, please use attachment"))
- (if (and (fboundp 'coding-system-get) (fboundp 'get-charset-property))
- (or
- (and (mm-preferred-coding-system charset)
- (or (coding-system-get
- (mm-preferred-coding-system charset) :mime-charset)
- (coding-system-get
- (mm-preferred-coding-system charset) 'mime-charset)))
- (and (eq charset 'ascii)
- 'us-ascii)
- (mm-preferred-coding-system charset)
- (mm-mule-charset-to-mime-charset charset))
- ;; This is for XEmacs.
- (mm-mule-charset-to-mime-charset charset)))
-
-;; `delete-dups' is not available in XEmacs 21.4.
-(if (fboundp 'delete-dups)
- (defalias 'mm-delete-duplicates 'delete-dups)
- (defun mm-delete-duplicates (list)
- "Destructively remove `equal' duplicates from LIST.
-Store the result in LIST and return it. LIST must be a proper list.
-Of several `equal' occurrences of an element in LIST, the first
-one is kept.
-
-This is a compatibility function for Emacsen without `delete-dups'."
- ;; Code from `subr.el' in Emacs 22:
- (let ((tail list))
- (while tail
- (setcdr tail (delete (car tail) (cdr tail)))
- (setq tail (cdr tail))))
- list))
+ (when (eq charset 'unknown)
+ (error "The message contains non-printable characters, please use attachment"))
+ (or
+ (and (mm-preferred-coding-system charset)
+ (coding-system-get (mm-preferred-coding-system charset) 'mime-charset))
+ (and (eq charset 'ascii)
+ 'us-ascii)
+ (mm-preferred-coding-system charset)
+ (mm-mule-charset-to-mime-charset charset)))
;; Fixme: This is used in places when it should be testing the
-;; default multibyteness. See mm-default-multibyte-p.
-(eval-and-compile
- (if (and (not (featurep 'xemacs))
- (boundp 'enable-multibyte-characters))
- (defun mm-multibyte-p ()
- "Non-nil if multibyte is enabled in the current buffer."
- enable-multibyte-characters)
- (defun mm-multibyte-p () (featurep 'mule))))
-
-(defun mm-default-multibyte-p ()
- "Return non-nil if the session is multibyte.
-This affects whether coding conversion should be attempted generally."
- (if (featurep 'mule)
- (if (boundp 'enable-multibyte-characters)
- (default-value 'enable-multibyte-characters)
- t)))
+;; default multibyteness.
+(defun mm-multibyte-p ()
+ "Non-nil if multibyte is enabled in the current buffer."
+ enable-multibyte-characters)
(defun mm-iso-8859-x-to-15-region (&optional b e)
- (if (fboundp 'char-charset)
- (let (charset item c inconvertible)
- (save-restriction
- (if e (narrow-to-region b e))
- (goto-char (point-min))
- (skip-chars-forward "\0-\177")
- (while (not (eobp))
- (cond
- ((not (setq item (assq (char-charset (setq c (char-after)))
- mm-iso-8859-x-to-15-table)))
- (forward-char))
- ((memq c (cdr (cdr item)))
- (setq inconvertible t)
- (forward-char))
- (t
- (insert-before-markers (prog1 (+ c (car (cdr item)))
- (delete-char 1)))))
- (skip-chars-forward "\0-\177")))
- (not inconvertible))))
+ (let (charset item c inconvertible)
+ (save-restriction
+ (if e (narrow-to-region b e))
+ (goto-char (point-min))
+ (skip-chars-forward "\0-\177")
+ (while (not (eobp))
+ (cond
+ ((not (setq item (assq (char-charset (setq c (char-after)))
+ mm-iso-8859-x-to-15-table)))
+ (forward-char))
+ ((memq c (cdr (cdr item)))
+ (setq inconvertible t)
+ (forward-char))
+ (t
+ (insert-before-markers (prog1 (+ c (car (cdr item)))
+ (delete-char 1)))))
+ (skip-chars-forward "\0-\177")))
+ (not inconvertible)))
(defun mm-sort-coding-systems-predicate (a b)
(let ((priorities
(length (memq (coding-system-base b) priorities)))
t))))
-(declare-function latin-unity-massage-name "ext:latin-unity")
-(declare-function latin-unity-maybe-remap "ext:latin-unity")
-(declare-function latin-unity-representations-feasible-region "ext:latin-unity")
-(declare-function latin-unity-representations-present-region "ext:latin-unity")
-
-(defvar latin-unity-coding-systems)
-(defvar latin-unity-ucs-list)
-
-(defun mm-xemacs-find-mime-charset-1 (begin end)
- "Determine which MIME charset to use to send region as message.
-This uses the XEmacs-specific latin-unity package to better handle the
-case where identical characters from diverse ISO-8859-? character sets
-can be encoded using a single one of the corresponding coding systems.
-
-It treats `mm-coding-system-priorities' as the list of preferred
-coding systems; a useful example setting for this list in Western
-Europe would be (iso-8859-1 iso-8859-15 utf-8), which would default
-to the very standard Latin 1 coding system, and only move to coding
-systems that are less supported as is necessary to encode the
-characters that exist in the buffer.
-
-Latin Unity doesn't know about those non-ASCII Roman characters that
-are available in various East Asian character sets. As such, its
-behavior if you have a JIS 0212 LATIN SMALL LETTER A WITH ACUTE in a
-buffer and it can otherwise be encoded as Latin 1, won't be ideal.
-But this is very much a corner case, so don't worry about it."
- (let ((systems mm-coding-system-priorities) csets psets curset)
-
- ;; Load the Latin Unity library, if available.
- (when (and (not (featurep 'latin-unity)) (locate-library "latin-unity"))
- (require 'latin-unity))
-
- ;; Now, can we use it?
- (if (featurep 'latin-unity)
- (progn
- (setq csets (latin-unity-representations-feasible-region begin end)
- psets (latin-unity-representations-present-region begin end))
-
- (catch 'done
-
- ;; Pass back the first coding system in the preferred list
- ;; that can encode the whole region.
- (dolist (curset systems)
- (setq curset (latin-unity-massage-name 'buffer-default curset))
-
- ;; If the coding system is a universal coding system, then
- ;; it can certainly encode all the characters in the region.
- (if (memq curset latin-unity-ucs-list)
- (throw 'done (list curset)))
-
- ;; If a coding system isn't universal, and isn't in
- ;; the list that latin unity knows about, we can't
- ;; decide whether to use it here. Leave that until later
- ;; in `mm-find-mime-charset-region' function, whence we
- ;; have been called.
- (unless (memq curset latin-unity-coding-systems)
- (throw 'done nil))
-
- ;; Right, we know about this coding system, and it may
- ;; conceivably be able to encode all the characters in
- ;; the region.
- (if (latin-unity-maybe-remap begin end curset csets psets t)
- (throw 'done (list curset))))
-
- ;; Can't encode using anything from the
- ;; `mm-coding-system-priorities' list.
- ;; Leave `mm-find-mime-charset' to do most of the work.
- nil))
-
- ;; Right, latin unity isn't available; let `mm-find-charset-region'
- ;; take its default action, which equally applies to GNU Emacs.
- nil)))
-
-(defmacro mm-xemacs-find-mime-charset (begin end)
- (when (featurep 'xemacs)
- `(and (featurep 'mule) (mm-xemacs-find-mime-charset-1 ,begin ,end))))
-
-(declare-function mm-delete-duplicates "mm-util" (list))
-
(defun mm-find-mime-charset-region (b e &optional hack-charsets)
"Return the MIME charsets needed to encode the region between B and E.
nil means ASCII, a single-element list represents an appropriate MIME
(setq systems nil
charsets (list cs))))))
charsets))
- ;; If we're XEmacs, and some coding system is appropriate,
- ;; mm-xemacs-find-mime-charset will return an appropriate list.
- ;; Otherwise, we'll get nil, and the next setq will get invoked.
- (setq charsets (mm-xemacs-find-mime-charset b e))
-
- ;; Fixme: won't work for unibyte Emacs 23:
-
;; We're not multibyte, or a single coding system won't cover it.
(setq charsets
- (mm-delete-duplicates
+ (delete-dups
(mapcar 'mm-mime-charset
(delq 'ascii
(mm-find-charset-region b e))))))
(if (and (memq 'iso-2022-jp-2 charsets)
(memq 'iso-2022-jp-2 hack-charsets))
(setq charsets (delq 'iso-2022-jp charsets)))
- ;; Attempt to reduce the number of charsets if utf-8 is available.
- (if (and (featurep 'xemacs)
- (> (length charsets) 1)
- (mm-coding-system-p 'utf-8))
- (let ((mm-coding-system-priorities
- (cons 'utf-8 mm-coding-system-priorities)))
- (setq charsets
- (mm-delete-duplicates
- (mapcar 'mm-mime-charset
- (delq 'ascii
- (mm-find-charset-region b e)))))))
charsets))
(defmacro mm-with-unibyte-buffer (&rest forms)
(defmacro mm-with-unibyte-current-buffer (&rest forms)
"Evaluate FORMS with current buffer temporarily made unibyte.
-Equivalent to `progn' in XEmacs.
Note: We recommend not using this macro any more; there should be
better ways to do a similar thing. The previous version of this macro
evaluating FORMS but it is no longer done. So, some programs assuming
it if any may malfunction."
(declare (obsolete nil "25.1") (indent 0) (debug t))
- (if (featurep 'xemacs)
- `(progn ,@forms)
- (let ((multibyte (make-symbol "multibyte")))
- `(let ((,multibyte enable-multibyte-characters))
+ (let ((multibyte (make-symbol "multibyte")))
+ `(let ((,multibyte enable-multibyte-characters))
+ (when ,multibyte
+ (set-buffer-multibyte nil))
+ (prog1
+ (progn ,@forms)
(when ,multibyte
- (set-buffer-multibyte nil))
- (prog1
- (progn ,@forms)
- (when ,multibyte
- (set-buffer-multibyte t)))))))
+ (set-buffer-multibyte t))))))
(defun mm-find-charset-region (b e)
"Return a list of Emacs charsets in the region B to E."
(cond
- ((and (mm-multibyte-p)
- (fboundp 'find-charset-region))
+ ((mm-multibyte-p)
;; Remove composition since the base charsets have been included.
;; Remove eight-bit-*, treat them as ascii.
(let ((css (find-charset-region b e)))
- (dolist (cs
- '(composition eight-bit-control eight-bit-graphic control-1)
- css)
- (setq css (delq cs css)))))
+ (dolist (cs '(composition eight-bit-control eight-bit-graphic control-1))
+ (setq css (delq cs css)))
+ css))
(t
- ;; We are in a unibyte buffer or XEmacs non-mule, so we futz around a bit.
+ ;; We are in a unibyte buffer, so we futz around a bit.
(save-excursion
(save-restriction
(narrow-to-region b e)
(if (eobp)
'(ascii)
(let (charset)
- (setq charset
- (and (boundp 'current-language-environment)
- (car (last (assq 'charset
- (assoc current-language-environment
- language-info-alist))))))
+ (setq charset (car (last (assq 'charset
+ (assoc current-language-environment
+ language-info-alist)))))
(if (eq charset 'ascii) (setq charset nil))
(or charset
(setq charset
"Like `insert-file-contents', but only reads in the file.
A buffer may be modified in several ways after reading into the buffer due
to advanced Emacs features, such as file-name-handlers, format decoding,
-`find-file-hooks', etc.
+`find-file-hook', etc.
If INHIBIT is non-nil, inhibit `mm-inhibit-file-name-handlers'.
- This function ensures that none of these modifications will take place."
+This function ensures that none of these modifications will take place."
(letf* ((format-alist nil)
(auto-mode-alist (if inhibit nil (mm-auto-mode-alist)))
((default-value 'major-mode) 'fundamental-mode)
(append mm-inhibit-file-name-handlers
inhibit-file-name-handlers)
inhibit-file-name-handlers))
- (ffh (if (boundp 'find-file-hook)
- 'find-file-hook
- 'find-file-hooks))
- (val (symbol-value ffh)))
- (set ffh nil)
- (unwind-protect
- (insert-file-contents filename visit beg end replace)
- (set ffh val))))
+ (find-file-hook nil))
+ (insert-file-contents filename visit beg end replace)))
(defun mm-append-to-file (start end filename &optional codesys inhibit)
"Append the contents of the region to the end of file FILENAME.
inhibit-file-name-handlers)))
(write-region start end filename append visit lockname)))
-(autoload 'gmm-write-region "gmm-utils")
-
-;; It is not a MIME function, but some MIME functions use it.
-(if (and (fboundp 'make-temp-file)
- (ignore-errors
- (let ((def (if (fboundp 'compiled-function-arglist) ;; XEmacs
- (eval (list 'compiled-function-arglist
- (symbol-function 'make-temp-file)))
- (require 'help-fns)
- (help-function-arglist 'make-temp-file t))))
- (and (>= (length def) 4)
- (eq (nth 3 def) 'suffix)))))
- (defalias 'mm-make-temp-file 'make-temp-file)
- ;; Stolen (and modified for XEmacs) from Emacs 22.
- (defun mm-make-temp-file (prefix &optional dir-flag suffix)
- "Create a temporary file.
-The returned file name (created by appending some random characters at the end
-of PREFIX, and expanding against `temporary-file-directory' if necessary),
-is guaranteed to point to a newly created empty file.
-You can then use `write-region' to write new data into the file.
-
-If DIR-FLAG is non-nil, create a new empty directory instead of a file.
-
-If SUFFIX is non-nil, add that at the end of the file name."
- (let ((umask (default-file-modes))
- file)
- (unwind-protect
- (progn
- ;; Create temp files with strict access rights. It's easy to
- ;; loosen them later, whereas it's impossible to close the
- ;; time-window of loose permissions otherwise.
- (set-default-file-modes 448)
- (while (condition-case err
- (progn
- (setq file
- (make-temp-name
- (expand-file-name
- prefix
- (if (fboundp 'temp-directory)
- ;; XEmacs
- (temp-directory)
- temporary-file-directory))))
- (if suffix
- (setq file (concat file suffix)))
- (if dir-flag
- (make-directory file)
- ;; NOTE: This is unsafe if Emacs 20
- ;; users and XEmacs users don't use
- ;; a secure temp directory.
- (gmm-write-region "" nil file nil 'silent
- nil 'excl))
- nil)
- (file-already-exists t)
- ;; The XEmacs version of `make-directory' issues
- ;; `file-error'.
- (file-error (or (and (featurep 'xemacs)
- (file-exists-p file))
- (signal (car err) (cdr err)))))
- ;; the file was somehow created by someone else between
- ;; `make-temp-name' and `write-region', let's try again.
- nil)
- file)
- ;; Reset the umask.
- (set-default-file-modes umask)))))
+(defalias 'mm-make-temp-file 'make-temp-file)
+(define-obsolete-function-alias 'mm-make-temp-file 'make-temp-file "25.2")
(defvar mm-image-load-path-cache nil)
result)))
;; Fixme: This doesn't look useful where it's used.
-(if (fboundp 'detect-coding-region)
- (defun mm-detect-coding-region (start end)
- "Like `detect-coding-region' except returning the best one."
- (let ((coding-systems
- (detect-coding-region start end)))
- (or (car-safe coding-systems)
- coding-systems)))
- (defun mm-detect-coding-region (start end)
- (let ((point (point)))
- (goto-char start)
- (skip-chars-forward "\0-\177" end)
- (prog1
- (if (eq (point) end) 'ascii (mm-guess-charset))
- (goto-char point)))))
+(defun mm-detect-coding-region (start end)
+ "Like `detect-coding-region' except returning the best one."
+ (let ((coding-systems (detect-coding-region start end)))
+ (or (car-safe coding-systems)
+ coding-systems)))
(declare-function mm-detect-coding-region "mm-util" (start end))
-(if (fboundp 'coding-system-get)
- (defun mm-detect-mime-charset-region (start end)
- "Detect MIME charset of the text in the region between START and END."
- (let ((cs (mm-detect-coding-region start end)))
- (or (coding-system-get cs :mime-charset)
- (coding-system-get cs 'mime-charset))))
- (defun mm-detect-mime-charset-region (start end)
- "Detect MIME charset of the text in the region between START and END."
- (let ((cs (mm-detect-coding-region start end)))
- cs)))
-
-(eval-when-compile
- (unless (fboundp 'coding-system-to-mime-charset)
- (defalias 'coding-system-to-mime-charset 'ignore)))
+(defun mm-detect-mime-charset-region (start end)
+ "Detect MIME charset of the text in the region between START and END."
+ (let ((cs (mm-detect-coding-region start end)))
+ (coding-system-get cs 'mime-charset)))
(defun mm-coding-system-to-mime-charset (coding-system)
- "Return the MIME charset corresponding to CODING-SYSTEM.
-To make this function work with XEmacs, the APEL package is required."
- (when coding-system
- (or (and (fboundp 'coding-system-get)
- (or (coding-system-get coding-system :mime-charset)
- (coding-system-get coding-system 'mime-charset)))
- (and (featurep 'xemacs)
- (or (and (fboundp 'coding-system-to-mime-charset)
- (not (eq (symbol-function 'coding-system-to-mime-charset)
- 'ignore)))
- (and (condition-case nil
- (require 'mcharset)
- (error nil))
- (fboundp 'coding-system-to-mime-charset)))
- (coding-system-to-mime-charset coding-system)))))
+ "Return the MIME charset corresponding to CODING-SYSTEM."
+ (and coding-system
+ (coding-system-get coding-system 'mime-charset)))
(defvar jka-compr-acceptable-retval-list)
(declare-function jka-compr-make-temp-name "jka-compr" (&optional local))
(message "%s" (or err-msg (concat msg "done")))
retval)))))
-(eval-when-compile
- (unless (fboundp 'coding-system-name)
- (defalias 'coding-system-name 'ignore))
- (unless (fboundp 'find-file-coding-system-for-read-from-filename)
- (defalias 'find-file-coding-system-for-read-from-filename 'ignore))
- (unless (fboundp 'find-operation-coding-system)
- (defalias 'find-operation-coding-system 'ignore)))
-
(defun mm-find-buffer-file-coding-system (&optional filename)
"Find coding system used to decode the contents of the current buffer.
This function looks for the coding system magic cookie or examines the
(setq filename (file-name-sans-extension filename)))
(goto-char (point-min))
(unwind-protect
- (cond
- ((boundp 'set-auto-coding-function) ;; Emacs
- (if filename
- (or (funcall (symbol-value 'set-auto-coding-function)
- filename (- (point-max) (point-min)))
- (car (find-operation-coding-system 'insert-file-contents
- filename)))
- (let (auto-coding-alist)
- (condition-case nil
- (funcall (symbol-value 'set-auto-coding-function)
- nil (- (point-max) (point-min)))
- (error nil)))))
- ((and (featurep 'xemacs) (featurep 'file-coding)) ;; XEmacs
- (let ((case-fold-search t)
- (end (point-at-eol))
- codesys start)
- (or
- (and (re-search-forward "-\\*-+[\t ]*" end t)
- (progn
- (setq start (match-end 0))
- (re-search-forward "[\t ]*-+\\*-" end t))
- (progn
- (setq end (match-beginning 0))
- (goto-char start)
- (or (looking-at "coding:[\t ]*\\([^\t ;]+\\)")
- (re-search-forward
- "[\t ;]+coding:[\t ]*\\([^\t ;]+\\)"
- end t)))
- (find-coding-system (setq codesys
- (intern (match-string 1))))
- codesys)
- (and (re-search-forward "^[\t ]*;+[\t ]*Local[\t ]+Variables:"
- nil t)
- (progn
- (setq start (match-end 0))
- (re-search-forward "^[\t ]*;+[\t ]*End:" nil t))
- (progn
- (setq end (match-beginning 0))
- (goto-char start)
- (re-search-forward
- "^[\t ]*;+[\t ]*coding:[\t ]*\\([^\t\n\r ]+\\)"
- end t))
- (find-coding-system (setq codesys
- (intern (match-string 1))))
- codesys)
- (and (progn
- (goto-char (point-min))
- (setq case-fold-search nil)
- (re-search-forward "^;;;coding system: "
- ;;(+ (point-min) 3000) t))
- nil t))
- (looking-at "[^\t\n\r ]+")
- (find-coding-system
- (setq codesys (intern (match-string 0))))
- codesys)
- (and filename
- (setq codesys
- (find-file-coding-system-for-read-from-filename
- filename))
- (coding-system-name (coding-system-base codesys)))))))
+ (if filename
+ (or (funcall (symbol-value 'set-auto-coding-function)
+ filename (- (point-max) (point-min)))
+ (car (find-operation-coding-system 'insert-file-contents
+ filename)))
+ (let (auto-coding-alist)
+ (condition-case nil
+ (funcall (symbol-value 'set-auto-coding-function)
+ nil (- (point-max) (point-min)))
+ (error nil))))
(when decomp
(kill-buffer (current-buffer)))))))