===================================================================
RCS file: /cvs/mandoc/mdoc.7,v
retrieving revision 1.78
retrieving revision 1.79
diff -u -p -r1.78 -r1.79
--- mandoc/mdoc.7	2009/11/16 09:52:47	1.78
+++ mandoc/mdoc.7	2010/01/01 13:35:30	1.79
@@ -1,4 +1,4 @@
-.\"	$Id: mdoc.7,v 1.78 2009/11/16 09:52:47 kristaps Exp $
+.\"	$Id: mdoc.7,v 1.79 2010/01/01 13:35:30 kristaps Exp $
 .\"
 .\" Copyright (c) 2009 Kristaps Dzonsons <kristaps@kth.se>
 .\"
@@ -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: November 16 2009 $
+.Dd $Mdocdate: January 1 2010 $
 .Dt MDOC 7
 .Os
 .
@@ -1596,6 +1596,22 @@ is provided.
 .Ss \&Fc
 .Ss \&Fd
 .Ss \&Fl
+Command-line flag.  Used when listing arguments to command-line
+utilities.  Prints a fixed-width hyphen
+.Sq \-
+before each delimited argument.  If no arguments are provided, a hyphen
+is still printed.
+.Pp
+Examples:
+.Bd -literal -offset indent
+\&.Fl a b c
+\&.Fl
+\&.Op Fl o Ns Ar file
+.Ed
+.Pp
+See also
+.Sx \&Cm .
+.
 .Ss \&Fn
 .Ss \&Fo
 .Ss \&Fr
@@ -1829,6 +1845,12 @@ file re-write
 .
 .Pp
 .Bl -dash -compact
+.It
+Historic 
+.Xr groff 1
+does not print a dash for empty 
+.Sx \&Fl
+arguments.  This behaviour has been discontinued.
 .It
 .Xr groff 1
 behaves strangely (even between versions) when specifying