===================================================================
RCS file: /cvs/mandoc/tbl.7,v
retrieving revision 1.7
retrieving revision 1.8
diff -u -p -r1.7 -r1.8
--- mandoc/tbl.7	2011/01/08 17:30:03	1.7
+++ mandoc/tbl.7	2011/01/10 14:40:30	1.8
@@ -1,4 +1,4 @@
-.\"	$Id: tbl.7,v 1.7 2011/01/08 17:30:03 kristaps Exp $
+.\"	$Id: tbl.7,v 1.8 2011/01/10 14:40:30 kristaps Exp $
 .\"
 .\" Copyright (c) 2010 Kristaps Dzonsons <kristaps@bsd.lv>
 .\"
@@ -14,7 +14,7 @@
 .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
-.Dd $Mdocdate: January 8 2011 $
+.Dd $Mdocdate: January 10 2011 $
 .Dt TBL 7
 .Os
 .Sh NAME
@@ -209,8 +209,12 @@ Justify a number around its last decimal point.
 If the decimal point is not found on the number, it's assumed to trail
 the number.
 .It Cm s
-This option is not supported by
-.Xr mandoc 1 .
+Span columns from the last non-span data cell.
+It is an error if spanning columns follow a
+.Cm \-
+or
+.Cm \(ba
+cell, or come first.
 .It Cm a
 Left-justify a literal string and pad with one space.
 .It Cm ^