===================================================================
RCS file: /cvs/mandoc/roff.7,v
retrieving revision 1.76
retrieving revision 1.78
diff -u -p -r1.76 -r1.78
--- mandoc/roff.7	2017/02/21 23:44:43	1.76
+++ mandoc/roff.7	2017/05/05 15:54:59	1.78
@@ -1,4 +1,4 @@
-.\"	$Id: roff.7,v 1.76 2017/02/21 23:44:43 schwarze Exp $
+.\"	$Id: roff.7,v 1.78 2017/05/05 15:54:59 schwarze Exp $
 .\"
 .\" Copyright (c) 2010, 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
 .\" Copyright (c) 2010, 2011, 2013-2015 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 21 2017 $
+.Dd $Mdocdate: May 5 2017 $
 .Dt ROFF 7
 .Os
 .Sh NAME
@@ -492,10 +492,6 @@ Define a frame and place a picture in it.
 This is a Heirloom extension and currently unsupported.
 .Ss \&br
 Break the output line.
-See
-.Xr man 7
-and
-.Xr mdoc 7 .
 .Ss \&break
 Break out of a
 .Sx \&while
@@ -950,10 +946,8 @@ switches to normal font
 switches back to the previous font
 .El
 .Pp
-This request takes effect only locally, may be overridden by macros
-and escape sequences, and is only supported in
-.Xr man 7
-for now.
+This request takes effect only locally and may be overridden
+by macros and escape sequences.
 .Ss \&ftr
 Translate font name.
 This is a groff extension and currently ignored.
@@ -1550,6 +1544,16 @@ is discouraged.
 Use
 .Xr ln 1
 instead.
+.Ss \&sp
+Break the output line and emit vertical space.
+Its syntax is as follows:
+.Pp
+.D1 Pf \. Cm \&sp Op Ar height
+.Pp
+The argument follows the syntax of
+.Sx Scaling Widths
+and defaults to one blank line
+.Pq Li 1v .
 .Ss \&spacewidth
 Set the space width from the font metrics file.
 This is a Heirloom extension and currently ignored.