Changes to m4/README,v [branch-1_4]

[Eric Blake]

CVSROOT:        /sources/m4
Module name:    m4
Branch:         branch-1_4
Changes by:     Eric Blake <ericb>      07/07/05 03:53:08

Index: README
===================================================================
RCS file: /sources/m4/m4/README,v
retrieving revision 1.1.1.1.2.4
retrieving revision 1.1.1.1.2.5
diff -u -b -r1.1.1.1.2.4 -r1.1.1.1.2.5
--- README      21 Sep 2006 13:07:02 -0000      1.1.1.1.2.4
+++ README      5 Jul 2007 03:53:05 -0000       1.1.1.1.2.5
@@ -23,7 +23,12 @@
 use m4 seriously, you might find useful material down there.
 
 See file `BACKLOG' for a summary of pending mail and articles.
-See file `COPYING' for copying conditions.
+See file `COPYING' for copying conditions.  Note that M4 is distributed
+under the GNU Public License version 3 or later.  Some files in the
+distribution are copied from the gnulib project, and hence bear the
+designation version 2 or later because they are unmodified from gnulib;
+however, if you modify these files using M4 rather than gnulib as the
+source, you must update the license to be GPLv3 or later.
 See file `INSTALL' for compilation and installation instructions.
 See file `NEWS' for a list of major changes in the current release.
 See file `THANKS' for a list of contributors.