Imitated from "Enabling advice" in Emacs lisp manual...
ad-disable-advice by itself only changes the enable flag for a
piece of advice. To make the change take effect in the
advised definition, the advice needs to be activated again.
(if (>= emacs-major-version 24)
(defadvice mm-shr (before load-gnus-arts activate)
(require 'gnus-art nil t)
- (ad-disable-advice 'mm-shr 'before 'load-gnus-arts)))
+ (ad-disable-advice 'mm-shr 'before 'load-gnus-arts)
+ (ad-activate 'mm-shr)))
(defun notmuch-mm-display-part-inline (msg part nth content-type process-crypto)
"Use the mm-decode/mm-view functions to display a part in the