"
(let ((args '("show" "--format=sexp" "--format-version=4")))
(if notmuch-show-process-crypto
- (setq args (append args '("--decrypt"))))
+ (setq args (append args '("--decrypt=true"))))
(setq args (append args search-terms))
(apply #'notmuch-call-notmuch-sexp args)))