[B<-print_certs>]
[B<-text>]
[B<-noout>]
+[B<-engine id>]
=head1 DESCRIPTION
don't output the encoded version of the PKCS#7 structure (or certificates
is B<-print_certs> is set).
+=item B<-engine id>
+
+specifying an engine (by it's unique B<id> string) will cause B<req>
+to attempt to obtain a functional reference to the specified engine,
+thus initialising it if needed. The engine will then be set as the default
+for all available algorithms.
+
=back
=head1 EXAMPLES