recognise certificate and private key options.
+=item SSL_CONF_FLAG_REQUIRE_PRIVATE
+
+If this option is set then if a private key is not specified for a certificate
+it will attempt to load a private key from the certificate file when
+SSL_CONF_CTX_finish() is called. If a key cannot be loaded from the certificate
+file an error occurs.
+
=item SSL_CONF_FLAG_SHOW_ERRORS
indicate errors relating to unrecognised options or missing arguments in
=head1 SEE ALSO
-L<SSL_CONF_CTX_new(3)|SSL_CONF_CTX_new(3)>,
-L<SSL_CONF_CTX_set_ssl_ctx(3)|SSL_CONF_CTX_set_ssl_ctx(3)>,
-L<SSL_CONF_CTX_set1_prefix(3)|SSL_CONF_CTX_set1_prefix(3)>,
-L<SSL_CONF_cmd(3)|SSL_CONF_cmd(3)>,
-L<SSL_CONF_cmd_argv(3)|SSL_CONF_cmd_argv(3)>
+L<SSL_CONF_CTX_new(3)>,
+L<SSL_CONF_CTX_set_ssl_ctx(3)>,
+L<SSL_CONF_CTX_set1_prefix(3)>,
+L<SSL_CONF_cmd(3)>,
+L<SSL_CONF_cmd_argv(3)>
=head1 HISTORY
These functions were first added to OpenSSL 1.0.2
+=head1 COPYRIGHT
+
+Copyright 2012-2016 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