.\" SUCH DAMAGE.
.\"
.\" from: @(#)yacc.1 5.7 (Berkeley) 7/30/91
-.\" $Id: yacc.1,v 1.1.1.1 1995/10/18 08:47:06 deraadt Exp $
+.\" $Id: yacc.1,v 1.2 1996/01/11 17:52:34 deraadt Exp $
.\"
.Dd July 30, 1991
.Dt YACC 1
.Nm yacc
.Op Fl dlrtv
.Op Fl b Ar prefix
+.Op Fl p Ar symbol_prefix
.Ar filename
.Sh DESCRIPTION
.Nm Yacc
.Nm yacc
will not insert the #line directives.
#line directives specified by the user will be retained.
+.It Fl p Ar symbol_prefix
+The
+.Fl p
+option changes the prefix prepended to yacc-generated symbols to
+the string denoted by
+.Ar symbol_prefix .
+The default prefix is the string
+.Ar yy .
.It Fl r
The
.Fl r