[src/trunk]: src/usr.bin/make document commented out .INVISIBLE and .JOIN.

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/e1d2bbd5901d
branches:  trunk
changeset: 332010:e1d2bbd5901d
user:      christos <christos%NetBSD.org@localhost>
date:      Thu Sep 04 19:07:47 2014 +0000

description:
document commented out .INVISIBLE and .JOIN.

diffstat:

 usr.bin/make/make.1 |  14 ++++++++------
 1 files changed, 8 insertions(+), 6 deletions(-)

diffs (35 lines):

diff -r 2c7cc9fc72f3 -r e1d2bbd5901d usr.bin/make/make.1
--- a/usr.bin/make/make.1       Thu Sep 04 18:55:03 2014 +0000
+++ b/usr.bin/make/make.1       Thu Sep 04 19:07:47 2014 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: make.1,v 1.234 2014/08/28 19:55:00 sjg Exp $
+.\"    $NetBSD: make.1,v 1.235 2014/09/04 19:07:47 christos Exp $
 .\"
 .\" Copyright (c) 1990, 1993
 .\"    The Regents of the University of California.  All rights reserved.
@@ -29,7 +29,7 @@
 .\"
 .\"    from: @(#)make.1        8.4 (Berkeley) 3/19/94
 .\"
-.Dd August 28, 2014
+.Dd September 4, 2014
 .Dt MAKE 1
 .Os
 .Sh NAME
@@ -1996,10 +1996,12 @@
 Ignore any errors from the commands associated with this target, exactly
 as if they all were preceded by a dash
 .Pq Ql \- .
-.\" .It Ic .INVISIBLE
-.\" XXX
-.\" .It Ic .JOIN
-.\" XXX
+.It Ic .INVISIBLE
+Target is not eligible to be added to the list of implicit sources for suffix
+rules, or as a child dependency for a target.
+.It Ic .JOIN
+Target is a fake node which is considered out of date only if any of its
+children ar out of date.
 .It Ic .MADE
 Mark all sources of this target as being up-to-date.
 .It Ic .MAKE