=head1 DESCRIPTION
-Search for messages across the lei store and externals.
+Search for messages across the lei/store and externals.
=for comment
TODO: Give common prefixes, or at least a description/reference.
=item -n NUMBER
-Limit the number of matches.
+Fuzzy limit the number of matches per-local external and lei/store.
+Messages added by the L<--threads> switch do not count towards this
+limit, and there is no limit on remote externals.
Default: 10000