Briefly mention groff_mdoc(7) below SEE ALSO. While both authoritative

manual pages document the same content, comparing can occasionally help
in cases of doubt, and some people may prefer one style, some the other.
While here, modernize a few .Lks from http:// to https://.
OK jmc@

1 files changed, 11 insertions, 5 deletions

diff --git a/share/man/man7/mdoc.7 b/share/man/man7/mdoc.7
index acc22670cf2..d1e4c6c2445 100644
--- a/share/man/man7/mdoc.7
+++ b/share/man/man7/mdoc.7
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: mdoc.7,v 1.170 2020/02/13 18:31:55 schwarze Exp $
+.\"	$OpenBSD: mdoc.7,v 1.171 2020/06/25 20:44:59 schwarze Exp $
 .\"
 .\" Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
 .\" Copyright (c) 2010, 2011, 2013-2020 Ingo Schwarze <schwarze@openbsd.org>
@@ -15,7 +15,7 @@
 .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
-.Dd $Mdocdate: February 13 2020 $
+.Dd $Mdocdate: June 25 2020 $
 .Dt MDOC 7
 .Os
 .Sh NAME
@@ -1861,8 +1861,8 @@ instead.
 Format a hyperlink.
 .Pp
 Examples:
-.Dl \&.Lk http://bsd.lv \(dqThe BSD.lv Project\(dq
-.Dl \&.Lk http://bsd.lv
+.Dl \&.Lk https://bsd.lv \(dqThe BSD.lv Project\(dq
+.Dl \&.Lk https://bsd.lv
 .Pp
 See also
 .Ic \&Mt .
@@ -3153,10 +3153,16 @@ but produces large indentations.
 .Xr tbl 7
 .Pp
 The web page
-.Lk http://mandoc.bsd.lv/mdoc/ "extended documentation for the mdoc language"
+.Lk https://mandoc.bsd.lv/mdoc/ "extended documentation for the mdoc language"
 provides a few tutorial-style pages for beginners, an extensive style
 guide for advanced authors, and an alphabetic index helping to choose
 the best macros for various kinds of content.
+.Pp
+The manual page
+.Lk https://man.voidlinux.org/groff_mdoc "groff_mdoc(7)"
+contained in the
+.Dq groff
+package documents exactly the same language in a somehwat different style.
 .Sh HISTORY
 The
 .Nm