=head1 RETURN VALUE
DSA_dup_DH() returns the new B<DH> structure, and NULL on error. The
-error codes can be obtained by L<ERR_get_error(3)|ERR_get_error(3)>.
+error codes can be obtained by L<ERR_get_error(3)>.
=head1 NOTE
=head1 SEE ALSO
-L<dh(3)|dh(3)>, L<dsa(3)|dsa(3)>, L<ERR_get_error(3)|ERR_get_error(3)>
+L<dh(3)>, L<dsa(3)>, L<ERR_get_error(3)>
-=head1 HISTORY
+=head1 COPYRIGHT
-DSA_dup_DH() was added in OpenSSL 0.9.4.
+Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.
+
+Licensed under the OpenSSL license (the "License"). You may not use
+this file except in compliance with the License. You can obtain a copy
+in the file LICENSE in the source distribution or at
+L<https://www.openssl.org/source/license.html>.
=cut