intended for programs that invoke **notmuch(1)** internally. If
omitted, the latest supported version will be used.
- ``--output=(summary|threads|messages|files|tags|sender|recipients)``
+ ``--output=(summary|threads|messages|files|tags)``
**summary**
Output a summary of each thread with any message matching
**notmuch-dump(1)**, **notmuch-hooks(5)**, **notmuch-insert(1)**,
**notmuch-new(1)**, **notmuch-reply(1)**, **notmuch-restore(1)**,
**notmuch-search-terms(7)**, **notmuch-show(1)**, **notmuch-tag(1)**
-***notmuch-address(1)**
+**notmuch-address(1)**