-(defun mm-decode-body (charset &optional encoding type force)
- "Decode the current article that has been encoded with ENCODING.
-The characters in CHARSET should then be decoded. If FORCE is non-nil
-use the supplied charset unconditionally."
- (let ((charset-supplied charset))
- (when (stringp charset)
- (setq charset (intern (downcase charset))))
- (when (or (not charset)
- (eq 'gnus-all mail-parse-ignored-charsets)
- (memq 'gnus-all mail-parse-ignored-charsets)
- (memq charset mail-parse-ignored-charsets))
- (setq charset mail-parse-charset
- charset-supplied nil))
- (save-excursion
- (when encoding
- (mm-decode-content-transfer-encoding encoding type))
- (when (featurep 'mule)
- (let ((coding-system (mm-charset-to-coding-system charset)))
- (if (and (not coding-system)
- (listp mail-parse-ignored-charsets)
- (memq 'gnus-unknown mail-parse-ignored-charsets))
- (setq coding-system
- (mm-charset-to-coding-system mail-parse-charset)))
- (when (and charset coding-system
- ;; buffer-file-coding-system
- ;;Article buffer is nil coding system
- ;;in XEmacs
- (mm-multibyte-p)
- (or (not (eq coding-system 'ascii))
- (setq coding-system mail-parse-charset))
- (not (eq coding-system 'gnus-decoded)))
- (if (or force
- ;; If a charset was supplied and `code-pages'
- ;; hasn't been loaded, then use the supplied
- ;; charset unconditionally.
- (and (not (featurep 'code-pages))
- charset-supplied))
- (mm-decode-coding-region (point-min) (point-max)
- coding-system)
- ;; Otherwise allow Emacs to auto-detect the charset.
- ;; Messages in windows-125x are frequently incorrectly
- ;; advertised as iso-8859-x -- if `code-pages' has been
- ;; loaded and configured, we're able to deal with them
- ;; properly.
- (mm-decode-coding-region-safely (point-min) (point-max)
- coding-system)))
- (setq buffer-file-coding-system
- (if (boundp 'last-coding-system-used)
- (symbol-value 'last-coding-system-used)
- coding-system)))))))
-
-(defun mm-decode-coding-region-safely (start end coding-system)
- "Decode region between START and END with CODING-SYSTEM.
-If CODING-SYSTEM is not a valid coding system for the text, let Emacs
-decide which coding system to use."
- (let* ((orig (buffer-substring start end))
- charsets)
- (save-restriction
- (narrow-to-region start end)
- (mm-decode-coding-region (point-min) (point-max) coding-system)
- (setq charsets (find-charset-region (point-min) (point-max)))
- (when (or (memq 'eight-bit-control charsets)
- (memq 'eight-bit-graphic charsets))
- (delete-region (point-min) (point-max))
- (insert orig)
- (mm-decode-coding-region (point-min) (point-max) 'undecided)))))
+(defun mm-decode-body (charset &optional encoding type)
+ "Decode the current article that has been encoded with ENCODING to CHARSET.
+ENCODING is a MIME content transfer encoding.
+CHARSET is the MIME charset with which to decode the data after transfer
+decoding. If it is nil, default to `mail-parse-charset'."
+ (when (stringp charset)
+ (setq charset (intern (downcase charset))))
+ (when (or (not charset)
+ (eq 'gnus-all mail-parse-ignored-charsets)
+ (memq 'gnus-all mail-parse-ignored-charsets)
+ (memq charset mail-parse-ignored-charsets))
+ (setq charset mail-parse-charset))
+ (save-excursion
+ (when encoding
+ (mm-decode-content-transfer-encoding encoding type))
+ (when (and (featurep 'mule) ;; Fixme: Wrong test for unibyte session.
+ (not (eq charset 'gnus-decoded)))
+ (let ((coding-system (mm-charset-to-coding-system
+ ;; Allow overwrite using
+ ;; `mm-charset-override-alist'.
+ charset nil t)))
+ (if (and (not coding-system)
+ (listp mail-parse-ignored-charsets)
+ (memq 'gnus-unknown mail-parse-ignored-charsets))
+ (setq coding-system
+ (mm-charset-to-coding-system mail-parse-charset)))
+ (when (and charset coding-system
+ ;; buffer-file-coding-system
+ ;;Article buffer is nil coding system
+ ;;in XEmacs
+ (mm-multibyte-p)
+ (or (not (eq coding-system 'ascii))
+ (setq coding-system mail-parse-charset)))
+ (mm-decode-coding-region (point-min) (point-max)
+ coding-system))
+ (setq buffer-file-coding-system
+ (if (boundp 'last-coding-system-used)
+ (symbol-value 'last-coding-system-used)
+ coding-system))))))