- (save-excursion
- (goto-char (point-min))
- (let ((charsets
- (delq 'ascii (mm-find-charset-region (point-min) (point-max))))
- charset)
- (cond
- ;; No encoding.
- ((null charsets)
- nil)
- ;; Too many charsets.
- ((> (length charsets) 1)
- charsets)
- ;; We encode.
- (t
- (let ((mime-charset
- (mm-mime-charset (car charsets) (point-min) (point-max)))
- start)
- (when (or t
- ;; We always decode.
- (not (mm-coding-system-equal
- mime-charset buffer-file-coding-system)))
- (while (not (eobp))
- (if (eq (char-charset (char-after)) 'ascii)
- (when start
- (save-restriction
- (narrow-to-region start (point))
- (mm-encode-coding-region start (point) mime-charset)
- (goto-char (point-max)))
- (setq start nil))
- (unless start
- (setq start (point))))
- (forward-char 1))
- (when start
- (mm-encode-coding-region start (point) mime-charset)
- (setq start nil)))
- mime-charset))))))
+ (if (not (featurep 'mule))
+ 'iso-8859-1
+ (save-excursion
+ (goto-char (point-min))
+ (let ((charsets
+ (delq 'ascii (mm-find-charset-region (point-min) (point-max))))
+ charset)
+ (cond
+ ;; No encoding.
+ ((null charsets)
+ nil)
+ ;; Too many charsets.
+ ((> (length charsets) 1)
+ charsets)
+ ;; We encode.
+ (t
+ (let ((mime-charset
+ (mm-mime-charset (car charsets) (point-min) (point-max)))
+ start)
+ (when (or t
+ ;; We always decode.
+ (not (mm-coding-system-equal
+ mime-charset buffer-file-coding-system)))
+ (while (not (eobp))
+ (if (eq (char-charset (char-after)) 'ascii)
+ (when start
+ (save-restriction
+ (narrow-to-region start (point))
+ (mm-encode-coding-region start (point) mime-charset)
+ (goto-char (point-max)))
+ (setq start nil))
+ (unless start
+ (setq start (point))))
+ (forward-char 1))
+ (when start
+ (mm-encode-coding-region start (point) mime-charset)
+ (setq start nil)))
+ mime-charset)))))))