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-rw-r--r--doc/Makefile.am2
-rw-r--r--doc/grep.in.12
-rw-r--r--doc/grep.texi2
3 files changed, 3 insertions, 3 deletions
diff --git a/doc/Makefile.am b/doc/Makefile.am
index d7cfa170..cbf381d9 100644
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -1,7 +1,7 @@
# Process this file with automake to create Makefile.in
# Makefile.am for grep/doc.
#
-# Copyright 2008-2019 Free Software Foundation, Inc.
+# Copyright 2008-2020 Free Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
diff --git a/doc/grep.in.1 b/doc/grep.in.1
index e095d5c3..48c49ef0 100644
--- a/doc/grep.in.1
+++ b/doc/grep.in.1
@@ -1292,7 +1292,7 @@ This man page is maintained only fitfully;
the full documentation is often more up-to-date.
.
.SH COPYRIGHT
-Copyright 1998\(en2000, 2002, 2005\(en2018 Free Software Foundation, Inc.
+Copyright 1998-2000, 2002, 2005-2020 Free Software Foundation, Inc.
.PP
This is free software;
see the source for copying conditions.
diff --git a/doc/grep.texi b/doc/grep.texi
index 7c2b865c..4b279ccb 100644
--- a/doc/grep.texi
+++ b/doc/grep.texi
@@ -30,7 +30,7 @@
@copying
This manual is for @command{grep}, a pattern matching engine.
-Copyright @copyright{} 1999-2002, 2005, 2008-2019 Free Software Foundation,
+Copyright @copyright{} 1999--2002, 2005, 2008--2020 Free Software Foundation,
Inc.
@quotation