In a [hook](https://notmuchmail.org/doc/latest/man5/notmuch-hooks.html)
- notmuch tag +muted $(notmuch search --output=threads tag:muted)"
+ notmuch tag +muted $(notmuch search --output=threads tag:muted)
-New messages in the thread get the muted tag. Make muted an excluded tag.
-To kill a thread, tag it with muted, run notmuch new.
+New messages in the thread get the muted tag. Make muted an excluded tag (see
+above). To kill a thread, tag it with muted, run notmuch new.