BEG and END are buffer locations. TYPE should a string, either
\"citation\" or \"signature\". PREFIX is some arbitrary text to
BEG and END are buffer locations. TYPE should a string, either
\"citation\" or \"signature\". PREFIX is some arbitrary text to
(add-to-invisibility-spec invis-spec)
(overlay-put overlay 'invisible (list invis-spec message-invis-spec))
(overlay-put overlay 'isearch-open-invisible #'notmuch-wash-region-isearch-show)
(add-to-invisibility-spec invis-spec)
(overlay-put overlay 'invisible (list invis-spec message-invis-spec))
(overlay-put overlay 'isearch-open-invisible #'notmuch-wash-region-isearch-show)