L<err(3)>, L<ERR_get_error(3)>
-=head1 HISTORY
+=head1 COPYRIGHT
-ERR_clear_error() is available in all versions of SSLeay and OpenSSL.
+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