Commit 2e51d4b5 authored by Kenichi Handa's avatar Kenichi Handa

mail/rmailmm.el (rmail-show-mime): Catch an error caused by text decoding, and...

mail/rmailmm.el (rmail-show-mime): Catch an error caused by text	decoding, and show a warning message without signalling an error (Bug#11282).
parent 2bc356d7
2012-05-03 Kenichi Handa <handa@m17n.org>
* mail/rmailmm.el (rmail-show-mime): Catch an error caused by text
decoding, and show a warning message without signalling an error
(Bug#11282).
2012-05-02 Juanma Barranquero <lekktu@gmail.com>
* notifications.el (dbus-debug):
......
......@@ -1300,26 +1300,40 @@ The arguments ARG and STATE have no effect in this case."
(rmail-mime-mbox-buffer rmail-buffer)
(rmail-mime-view-buffer rmail-view-buffer)
(rmail-mime-coding-system nil))
;; If ENTITY is not a vector, it is a string describing an error.
(if (vectorp entity)
(with-current-buffer rmail-mime-view-buffer
(erase-buffer)
(rmail-mime-insert entity)
(if (consp rmail-mime-coding-system)
;; Decoding is done by rfc2047-decode-region only for a
;; header. But, as the used coding system may have been
;; overridden by mm-charset-override-alist, we can't
;; trust (car rmail-mime-coding-system). So, here we
;; try the decoding again with mm-charset-override-alist
;; bound to nil.
(let ((mm-charset-override-alist nil))
(setq rmail-mime-coding-system
(rmail-mime-find-header-encoding
(rmail-mime-entity-header entity)))))
(set-buffer-file-coding-system
(if rmail-mime-coding-system
(coding-system-base rmail-mime-coding-system)
'undecided)
t t))
;; This condition-case is for catching an error in the
;; internal MIME decoding (e.g. incorrect BASE64 form) that
;; may be signaled by rmail-mime-insert.
;; FIXME: The current code doesn't set a proper error symbol
;; in ERR. We must find a way to propagate a correct error
;; symbol that is caused in the very deep code of text
;; decoding (e.g. an error by base64-decode-region called by
;; post-read-conversion function of utf-7).
(condition-case err
(progn
(rmail-mime-insert entity)
(if (consp rmail-mime-coding-system)
;; Decoding is done by rfc2047-decode-region only for a
;; header. But, as the used coding system may have been
;; overridden by mm-charset-override-alist, we can't
;; trust (car rmail-mime-coding-system). So, here we
;; try the decoding again with mm-charset-override-alist
;; bound to nil.
(let ((mm-charset-override-alist nil))
(setq rmail-mime-coding-system
(rmail-mime-find-header-encoding
(rmail-mime-entity-header entity)))))
(set-buffer-file-coding-system
(if rmail-mime-coding-system
(coding-system-base rmail-mime-coding-system)
'undecided)
t t))
(error (setq entity (format "%s" err))))))
;; Re-check ENTITY. It may be set to an error string.
(when (stringp entity)
;; Decoding failed. ENTITY is an error message. Insert the
;; original message body as is, and show warning.
(let ((region (with-current-buffer rmail-mime-mbox-buffer
......
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