;; alternative (even if we can't render it).
(push (list content-id msg part) notmuch-show--cids)))
;; Recurse on sub-parts
- (pcase-let ((`(,type ,subtype)
- (split-string (downcase (plist-get part :content-type)) "/")))
- (cond ((equal type "multipart")
- (mapc (apply-partially #'notmuch-show--register-cids msg)
- (plist-get part :content)))
- ((and (equal type "message")
- (equal subtype "rfc822"))
- (notmuch-show--register-cids
- msg
- (car (plist-get (car (plist-get part :content)) :body)))))))
+ (when-let ((type (plist-get part :content-type)))
+ (pcase-let ((`(,type ,subtype)
+ (split-string (downcase type) "/")))
+ (cond ((equal type "multipart")
+ (mapc (apply-partially #'notmuch-show--register-cids msg)
+ (plist-get part :content)))
+ ((and (equal type "message")
+ (equal subtype "rfc822"))
+ (notmuch-show--register-cids
+ msg
+ (car (plist-get (car (plist-get part :content)) :body))))))))
(defun notmuch-show--get-cid-content (cid)
"Return a list (CID-content content-type) or nil.
(defun notmuch-show-mime-type (part)
"Return the correct mime-type to use for PART."
- (let ((content-type (downcase (plist-get part :content-type))))
+ (when-let ((content-type (plist-get part :content-type)))
+ (setq content-type (downcase content-type))
(or (and (string= content-type "application/octet-stream")
(notmuch-show-get-mime-type-of-application/octet-stream part))
(and (string= content-type "inline patch")
HIDE determines whether to show or hide the part and the button
as follows: If HIDE is nil, show the part and the button. If HIDE
is t, hide the part initially and show the button."
- (let* ((content-type (downcase (plist-get part :content-type)))
+ (let* ((content-type (plist-get part :content-type))
(mime-type (notmuch-show-mime-type part))
(nth (plist-get part :id))
(long (and (notmuch-match-content-type mime-type "text/*")
;; the first (or only) part if this is text/plain.
(button (and (funcall notmuch-show-insert-header-p-function part hide)
(notmuch-show-insert-part-header
- nth mime-type content-type
+ nth mime-type
+ (and content-type (downcase content-type))
(plist-get part :filename))))
;; Hide the part initially if HIDE is t, or if it is too long
;; and we have a button to allow toggling.