Mark BIO_f_nbio_test(3) as intentionally undocumented.

It exposes absurd functionality, and according to codesearch.debian.net,
it is unused except in openssl(1) s_client/s_server -nbio_test.

1 files changed, 5 insertions, 2 deletions

diff --git a/src/lib/libcrypto/man/BIO_f_null.3 b/src/lib/libcrypto/man/BIO_f_null.3
index a74726e1ff..4944ced3a4 100644
--- a/src/lib/libcrypto/man/BIO_f_null.3
+++ b/src/lib/libcrypto/man/BIO_f_null.3
@@ -1,4 +1,4 @@
-.\" $OpenBSD: BIO_f_null.3,v 1.10 2022/12/18 19:35:36 schwarze Exp $
+.\" $OpenBSD: BIO_f_null.3,v 1.11 2022/12/23 16:59:39 schwarze Exp $
 .\" full merge up to: OpenSSL e9b77246 Jan 20 19:58:49 2017 +0100
 .\"
 .\" This file was written by Dr. Stephen Henson <steve@openssl.org>.
@@ -48,11 +48,14 @@
 .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 .\" OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: December 18 2022 $
+.Dd $Mdocdate: December 23 2022 $
 .Dt BIO_F_NULL 3
 .Os
 .Sh NAME
 .Nm BIO_f_null
+.\" .Nm BIO_f_nbio_test is intentionally undocumented
+.\" because it exposes absurd functionality that is unused
+.\" except in openssl(1) s_client/s_server -nbio_test.
 .Nd null filter
 .Sh SYNOPSIS
 .In openssl/bio.h