From 1dee7c74d1ab4a3531ab560a2d3e76357280b6ff Mon Sep 17 00:00:00 2001
From: Colin Percival <cperciva@FreeBSD.org>
Date: Sun, 20 Mar 2022 10:41:03 -0700
Subject: [PATCH] sysctl(8): Mention CTLFLAG_SKIP

`sysctl -a` does not print values with this flag.

Reviewed by:	debdrup
MFC after:	2 weeks
Differential Revision:	https://reviews.freebsd.org/D34615
---
 sbin/sysctl/sysctl.8 | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/sbin/sysctl/sysctl.8 b/sbin/sysctl/sysctl.8
index eece6d8b7f7a..eb3a5a5f79e9 100644
--- a/sbin/sysctl/sysctl.8
+++ b/sbin/sysctl/sysctl.8
@@ -28,7 +28,7 @@
 .\"	From: @(#)sysctl.8	8.1 (Berkeley) 6/6/93
 .\" $FreeBSD$
 .\"
-.Dd October 30, 2020
+.Dd March 20, 2022
 .Dt SYSCTL 8
 .Os
 .Sh NAME
@@ -63,7 +63,10 @@ Equivalent to
 .Fl o a
 (for compatibility).
 .It Fl a
-List all the currently available non-opaque values.
+List all the currently available values except for those which are
+opaque or excluded from listing via the
+.Dv CTLFLAG_SKIP
+flag.
 This option is ignored if one or more variable names are specified on
 the command line.
 .It Fl b