[pkgsrc/trunk]: pkgsrc/mk Made the wording more into an explanation.

[rillig <rillig%pkgsrc.org@localhost>]

details:   https://anonhg.NetBSD.org/pkgsrc/rev/07cc7d015592
branches:  trunk
changeset: 537982:07cc7d015592
user:      rillig <rillig%pkgsrc.org@localhost>
date:      Wed Jan 23 01:44:28 2008 +0000

description:
Made the wording more into an explanation.

diffstat:

 mk/subst.mk |  5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diffs (19 lines):

diff -r ff25c3dc0e86 -r 07cc7d015592 mk/subst.mk
--- a/mk/subst.mk       Wed Jan 23 00:54:18 2008 +0000
+++ b/mk/subst.mk       Wed Jan 23 01:44:28 2008 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: subst.mk,v 1.51 2008/01/18 11:26:11 rillig Exp $
+# $NetBSD: subst.mk,v 1.52 2008/01/23 01:44:28 rillig Exp $
 #
 # This Makefile fragment implements a general text replacement facility.
 # Package makefiles define a ``class'', for each of which a particular
@@ -8,7 +8,8 @@
 # Package-settable variables:
 #
 # SUBST_CLASSES
-#      A list of class names.  A new class name must be appended (+=).
+#      A list of class names.  When adding new classes to this list, be
+#      sure to append them (+=) instead of overriding them (=).
 #
 # SUBST_STAGE.<class>
 #      "stage" at which we do the text replacement. Should be one of