Index: ports.7
===================================================================
RCS file: /home/ncvs/src/share/man/man7/ports.7,v
retrieving revision 1.55
diff -u -r1.55 ports.7
--- ports.7     18 Sep 2006 11:49:17 -0000      1.55
+++ ports.7     24 Oct 2006 12:24:26 -0000
@@ -451,6 +451,17 @@
 If defined, disable check for security vulnerabilities using
 .Xr portaudit 1 Pq Pa ports/security/portaudit
 when installing new ports.
+.It Va NO_IGNORE
+If defined, allow installation of ports marked as
+.Aq Va FORBIDDEN .
+The default behavior of the Ports framework is to abort when the
+installation of a forbidden port is attempted.
+Setting
+.Va NO_IGNORE
+Of course, these ports may not work as expected, but if you really know
+what you are doing and are sure about installing a forbidden port, then
+.Va NO_IGNORE
+lets you do it.
 .El
 .Sh FILES
 .Bl -tag -width ".Pa /usr/ports/Mk/bsd.port.mk" -compact