- (when (and (setq type (mm-handle-media-type handle))
- (stringp type)
- ;; Mutt still uses application/pgp even though
- ;; it has already been withdrawn.
- (string-match "\\`text/\\|\\`application/pgp\\'" type)
- (with-current-buffer buffer
- (setq children
- (mm-uu-dissect t (mm-handle-type handle)))))
- (kill-buffer buffer)
- (setcar handle (car children))
- (setcdr handle (cdr children))))
+ (let ((type (mm-handle-media-type handle))
+ (case-fold-search t) ;; string-match
+ children charset encoding)
+ (when (and
+ (stringp type)
+ ;; Mutt still uses application/pgp even though
+ ;; it has already been withdrawn.
+ (string-match "\\`text/\\|\\`application/pgp\\'" type)
+ (setq
+ children
+ (with-current-buffer buffer
+ (cond
+ ((or decoded
+ (eq (setq charset (mail-content-type-get
+ (mm-handle-type handle)
+ 'charset))
+ 'gnus-decoded))
+ (setq decoded t)
+ (mm-uu-dissect
+ t (cons type '((charset . gnus-decoded)))))
+ (charset
+ (setq decoded t)
+ (mm-with-multibyte-buffer
+ (insert (mm-decode-string (mm-get-part handle)
+ charset))
+ (mm-uu-dissect
+ t (cons type '((charset . gnus-decoded))))))
+ ((setq encoding (mm-handle-encoding handle))
+ (setq decoded nil)
+ ;; Inherit the multibyteness of the `buffer'.
+ (with-temp-buffer
+ (insert-buffer-substring buffer)
+ (mm-decode-content-transfer-encoding
+ encoding type)
+ (mm-uu-dissect t (list type))))
+ (t
+ (setq decoded nil)
+ (mm-uu-dissect t (list type)))))))
+ ;; Ignore it if a given part is dissected into a single
+ ;; part of which the type is the same as the given one.
+ (if (and (<= (length children) 2)
+ (string-equal (mm-handle-media-type (cadr children))
+ type))
+ (kill-buffer (mm-handle-buffer (cadr children)))
+ (kill-buffer buffer)
+ (setcdr handle (cdr children))
+ (setcar handle (car children)) ;; "multipart/mixed"
+ (dolist (elem (cdr children))
+ (mm-uu-dissect-text-parts elem decoded))))))