(start-process-shell-command "notmuch-pipe-command" "*notmuch-pipe*" shell-command)))
(defun notmuch-show-add-tags-worker (current-tags add-tags)
(start-process-shell-command "notmuch-pipe-command" "*notmuch-pipe*" shell-command)))
(defun notmuch-show-add-tags-worker (current-tags add-tags)