From 90dbd2a623c345ad66228c48b5bf2e901bdb6c61 Mon Sep 17 00:00:00 2001
From: Kyle Evans <kevans@FreeBSD.org>
Date: Tue, 4 Aug 2020 02:06:49 +0000
Subject: [PATCH] regex(3): belatedly document REG_POSIX from r363734

My original patch included this documented, but it appears that I failed to
include the manpage update. Do so now.

(cherry picked from commit ba8b64de05d0df84ad9064be950ca38bc7bafe7d)
---
 lib/libc/regex/regex.3 | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/lib/libc/regex/regex.3 b/lib/libc/regex/regex.3
index 8959272e989..d22dec1e87f 100644
--- a/lib/libc/regex/regex.3
+++ b/lib/libc/regex/regex.3
@@ -32,7 +32,7 @@
 .\"	@(#)regex.3	8.4 (Berkeley) 3/20/94
 .\" $FreeBSD$
 .\"
-.Dd May 25, 2016
+.Dd April 15, 2017
 .Dt REGEX 3
 .Os
 .Sh NAME
@@ -183,6 +183,17 @@ compatible with but not specified by
 .St -p1003.2 ,
 and should be used with
 caution in software intended to be portable to other systems.
+.It Dv REG_POSIX
+Compile only
+.St -p1003.2
+compliant expressions.
+This flag has no effect unless linking against
+.Nm libregex .
+This is an extension,
+compatible with but not specified by
+.St -p1003.2 ,
+and should be used with
+caution in software intended to be portable to other systems.
 .El
 .Pp
 When successful,
-- 
2.45.0