-.\" $Id: mandoc_char.7,v 1.62 2015/03/30 16:06:14 schwarze Exp $
+.\" $Id: mandoc_char.7,v 1.63 2015/09/02 15:38:35 schwarze Exp $
.\"
.\" Copyright (c) 2003 Jason McIntyre <jmc@openbsd.org>
.\" Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
-.Dd $Mdocdate: March 30 2015 $
+.Dd $Mdocdate: September 2 2015 $
.Dt MANDOC_CHAR 7
.Os
.Sh NAME
.Ss Dashes and Hyphens
In typography there are different types of dashes of various width:
the hyphen (-),
-the minus sign (\-),
+the minus sign (\(mi),
the en-dash (\(en),
and the em-dash (\(em).
.Pp
.Pp
The mathematical minus sign is used for negative numbers or subtraction.
It should be written as
-.Sq \e- :
+.Sq \e(mi :
.Bd -unfilled -offset indent
-a = 3 \e- 1;
-b = \e-2;
+a = 3 \e(mi 1;
+b = \e(mi2;
.Ed
.Pp
The en-dash is used to separate the two elements of a range,
.Fl T Ns Cm ascii ,
the
\e(ss, \e(nm, \e(nb, \e(nc, \e(ib, \e(ip, \e(pp, \e[sum], \e[product],
-\e[coproduct], \e(gr, \e(\-h, and \e(a. special characters render
+\e[coproduct], \e(gr, \e(-h, and \e(a. special characters render
differently between mandoc and groff.
.It
In