+(defcustom notmuch-show-insert-text/plain-hook '(notmuch-wash-excerpt-citations)
+ "Functions used to improve the display of text/plain parts."
+ :group 'notmuch
+ :type 'hook
+ :options '(notmuch-wash-wrap-long-lines
+ notmuch-wash-tidy-citations
+ notmuch-wash-elide-blank-lines
+ notmuch-wash-excerpt-citations))