copyright: Update

1 files changed, 32 insertions, 2 deletions

diff --git a/copyright b/copyright
index 2de57f5..c830cb0 100644
--- a/copyright
+++ b/copyright
@@ -1,7 +1,10 @@
 Upstream Source
 ===============
 
-Copyright (C) 1987-2013 Free Software Foundation, Inc.
+In General
+----------
+
+Copyright (C) 1987-2014, 2016 Free Software Foundation, Inc.
 
 GNU M4 is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
@@ -19,11 +22,38 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 On this system, a copy of the GNU General Public License may be found at
 <file:///usr/share/common-licenses/GPL-3>.
 
+doc/m4.texi, doc/m4.info*
+-------------------------
+
+Copyright (C) 1989-1994, 2004-2014, 2016 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 any later version published by the Free Software
+Foundation; with no Invariant Sections, no Front-Cover Texts, and
+no Back-Cover Texts.  A copy of the license is included in the
+section entitled "GNU Free Documentation License."
+
+On this system, a copy of the GNU Free Documentation License may be found at
+<file:///usr/share/common-licenses/FDL-1.3>.
+
+examples/*.m4
+-------------
+
+The files in this directory provide example uses of GNU M4.
+The following copyright notice applies to each of these
+description files.
+
+Copyright (C) 2006, 2010-2012 Free Software Foundation, Inc.
+This file is free software; the Free Software Foundation
+gives unlimited permission to copy and/or distribute it,
+with or without modifications, as long as this notice is preserved.
+
 
 Distribution Packaging
 ======================
 
-Copyright (C) 2013-2014 Patrick "P. J." McDermott
+Copyright (C) 2013-2014, 2019 Patrick McDermott
 
 These files may be reproduced, distributed, modified, and otherwise dealt in
 under the terms of the Expat License.