Update copyright1.23.0.rc1

* update-copyright.sh: use gnulib's 'update-copyright' script.  Pass
  this script in directories 'arch', 'contrib', 'font', 'man', 'tmac',
  'src' and on a list of extra files.

* FOR-RELEASE: mention this point.

6 files changed, 6 insertions, 7 deletions

diff --git a/contrib/gdiffmk/ChangeLog b/contrib/gdiffmk/ChangeLog
index 0876c01f0..c0816fa21 100644
--- a/contrib/gdiffmk/ChangeLog
+++ b/contrib/gdiffmk/ChangeLog
@@ -159,8 +159,7 @@
 
 	First import of gdiffmk files.
 
-Copyright 2004-2009, 2014-2015
-  Free Software Foundation, Inc.
+Copyright 2004-2020 Free Software Foundation, Inc.
 
 Copying and distribution of this file, with or without modification,
 are permitted in any medium without royalty provided the copyright
diff --git a/contrib/gdiffmk/README b/contrib/gdiffmk/README
index 1f758e789..d2214dd6f 100644
--- a/contrib/gdiffmk/README
+++ b/contrib/gdiffmk/README
@@ -25,7 +25,7 @@ argument gives the usage.
 
 ----------------------------------------------------------------------------
 
-Copyright (C) 2004-2018 Free Software Foundation, Inc.
+Copyright (C) 2004-2020 Free Software Foundation, Inc.
 Written by Mike Bianchi <MBianchi@Foveal.com <mailto:MBianchi@Foveal.com>>
 
 This file is part of the gdiffmk utility, which is part of groff.
diff --git a/contrib/gdiffmk/gdiffmk.1.man b/contrib/gdiffmk/gdiffmk.1.man
index cdbca87b5..5ba47021b 100644
--- a/contrib/gdiffmk/gdiffmk.1.man
+++ b/contrib/gdiffmk/gdiffmk.1.man
@@ -7,7 +7,7 @@ gdiffmk \- mark differences between groff/nroff/troff files
 .\" Legal Terms
 .\" ====================================================================
 .\"
-.\" Copyright (C) 2004-2018 Free Software Foundation, Inc.
+.\" Copyright (C) 2004-2020 Free Software Foundation, Inc.
 .\"
 .\" This file is part of gdiffmk, which is part of groff, the GNU roff
 .\" type-setting system.
diff --git a/contrib/gdiffmk/gdiffmk.am b/contrib/gdiffmk/gdiffmk.am
index f36c15a2b..0770340f1 100644
--- a/contrib/gdiffmk/gdiffmk.am
+++ b/contrib/gdiffmk/gdiffmk.am
@@ -1,6 +1,6 @@
 # Automake rules for 'gdiffmk' (integration into the groff source tree)
 #
-# Copyright (C) 2004-2018 Free Software Foundation, Inc.
+# Copyright (C) 2004-2020 Free Software Foundation, Inc.
 # Written by Mike Bianchi <MBianchi@Foveal.com <mailto:MBianchi@Foveal.com>>
 # Automake migration by Bertrand Garrigues
 #
diff --git a/contrib/gdiffmk/gdiffmk.sh b/contrib/gdiffmk/gdiffmk.sh
index 5ce931e12..fc1ef0eee 100644
--- a/contrib/gdiffmk/gdiffmk.sh
+++ b/contrib/gdiffmk/gdiffmk.sh
@@ -1,5 +1,5 @@
 #!@BASH_PROG@
-# Copyright (C) 2004-2018 Free Software Foundation, Inc.
+# Copyright (C) 2004-2020 Free Software Foundation, Inc.
 # Written by Mike Bianchi <MBianchi@Foveal.com <mailto:MBianchi@Foveal.com>>
 # Thanks to Peter Bray for debugging.
 
diff --git a/contrib/gdiffmk/tests/runtests.sh b/contrib/gdiffmk/tests/runtests.sh
index 0f7c3b6c7..f8291b0a4 100755
--- a/contrib/gdiffmk/tests/runtests.sh
+++ b/contrib/gdiffmk/tests/runtests.sh
@@ -2,7 +2,7 @@
 #
 #	A very simple function test for gdiffmk.sh.
 #
-# Copyright (C) 2004-2018 Free Software Foundation, Inc.
+# Copyright (C) 2004-2020 Free Software Foundation, Inc.
 # Written by Mike Bianchi <MBianchi@Foveal.com <mailto:MBianchi@Foveal.com>>
 
 # This file is part of the gdiffmk utility, which is part of groff.