more info about HISTORY; ok jmc@

diff --git a/lib/libc/gen/err.3 b/lib/libc/gen/err.3
index d5b473d..2262865 100644 (file)
--- a/lib/libc/gen/err.3
+++ b/lib/libc/gen/err.3
@@ -1,4 +1,4 @@
-.\"    $OpenBSD: err.3,v 1.18 2014/04/22 00:33:02 guenther Exp $
+.\"    $OpenBSD: err.3,v 1.19 2014/04/23 13:58:55 schwarze Exp $
 .\"
 .\" Copyright (c) 1993
 .\"    The Regents of the University of California.  All rights reserved.
@@ -27,7 +27,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: April 22 2014 $
+.Dd $Mdocdate: April 23 2014 $
 .Dt ERR 3
 .Os
 .Sh NAME
@@ -190,12 +190,28 @@ if ((fd = open(block_device, O_RDONLY, 0)) == -1)
 .Xr printf 3 ,
 .Xr strerror 3
 .Sh HISTORY
-The
-.Fn err
+The functions
+.Fn err ,
+.Fn errx ,
+.Fn verr,
+.Fn verrx ,
+.Fn warn ,
+.Fn warnx ,
+.Fn vwarn ,
 and
-.Fn warn
-functions first appeared in
+.Fn vwarnx
+first appeared in
 .Bx 4.4 .
+The functions
+.Fn errc ,
+.Fn verrc,
+.Fn warnc ,
+and
+.Fn vwarnc
+functions first appeared in
+.Fx 3.0
+and have been ported to
+.Ox 5.6 .
 .Sh CAVEATS
 It is important never to pass a string with user-supplied data as a
 format without using