Latest update.

doc/man1/openssl-rsautl.pod.in

@@ -14,7 +14,7 @@ B<openssl> B<rsautl>
 [B<-rev>]
 [B<-out> I<file>]
 [B<-inkey> I<file>]
-[B<-keyform> B<DER>|B<PEM>|B<ENGINE>]
+[B<-keyform> B<DER>|B<PEM>|B<P12>|B<ENGINE>]
 [B<-pubin>]
 [B<-certin>]
 [B<-sign>]
@@ -76,9 +76,10 @@ default.
 
 The input key file, by default it should be an RSA private key.
 
-=item B<-keyform> B<DER>|B<PEM>|B<ENGINE>
+=item B<-keyform> B<DER>|B<PEM>|B<P12>|B<ENGINE>
 
 The key format; the default is B<PEM>.
+The only value with effect is B<ENGINE>; all others have become obsolete.
 See L<openssl(1)/Format Options> for details.
 
 =item B<-pubin>
@@ -237,6 +238,9 @@ L<openssl-genrsa(1)>
 
 This command was deprecated in OpenSSL 3.0.
 
+All B<-keyform> values except B<ENGINE> have become obsolete in OpenSSL 3.0.0
+and have no effect.
+
 =head1 COPYRIGHT
 
 Copyright 2000-2020 The OpenSSL Project Authors. All Rights Reserved.