(setq buffer-read-only nil)
(erase-buffer)
(let ((coding-system-for-read 'no-conversion))
- (call-process notmuch-command nil t nil "show" "--format=raw" id))
+ (notmuch--call-process notmuch-command nil t nil "show" "--format=raw" id))
(mime-to-mml)
(goto-char (point-min))
(when (re-search-forward "^$" nil t)