(message-id (notmuch-show-get-message-id))
(nth (plist-get part :id))
(buf (notmuch-show-generate-part-buffer message-id nth))
(message-id (notmuch-show-get-message-id))
(nth (plist-get part :id))
(buf (notmuch-show-generate-part-buffer message-id nth))