=item --no-import-before
-Do not importing keywords before writing to an existing output
+Do not import keywords before writing to an existing output
destination.
=item --threads
Disable the default behavior of memoizing remote messages into the
local store.
-=item --lock
+=item --lock=METHOD
L<mbox(5)> locking method(s) to use: C<dotlock>, C<fcntl>, C<flock> or
C<none>.
=head1 SEE ALSO
-L<lei-add-external(1)>,
+L<lei-add-external(1)>, L<lei-lcat(1)>, L<lei-up(1)>,
L<Xapian::QueryParser Syntax|https://xapian.org/docs/queryparser.html>