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-rw-r--r--README13
1 files changed, 10 insertions, 3 deletions
diff --git a/README b/README
index 3caf6c6e..c07737ca 100644
--- a/README
+++ b/README
@@ -25,7 +25,12 @@ files, ranging from trivial test files to rather advanced macros. If
you intend to use m4 seriously, you might find useful material down
there.
-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 `ABOUT-NLS' for how to customize this program to your language.
See file `NEWS' for a list of major changes in the current release.
@@ -83,10 +88,12 @@ make check TESTSUITEFLAGS='-v -d -x 12'
The testsuite understands --help to tell you more about the current
set of tests.
+For any copyright year range specified as YYYY-ZZZZ in this package
+note that the range specifies every single year in that closed interval.
+
========================================================================
-Copyright (C) 2000, 2005, 2006, 2007, 2009, 2010 Free Software
-Foundation, Inc.
+Copyright (C) 2000, 2005-2011, 2013 Free Software Foundation, Inc.
Permission is granted to copy, distribute and/or modify this document
under the terms of the GNU Free Documentation License, Version 1.3 or