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-rw-r--r--m4/bison-check-compiler-flag.m42
-rw-r--r--m4/bison-cxx-std.m42
-rw-r--r--m4/bison-i18n.m42
-rw-r--r--m4/c-working.m42
-rw-r--r--m4/cxx.m42
-rw-r--r--m4/flex.m42
6 files changed, 6 insertions, 6 deletions
diff --git a/m4/bison-check-compiler-flag.m4 b/m4/bison-check-compiler-flag.m4
index 7a2db576..d71543ac 100644
--- a/m4/bison-check-compiler-flag.m4
+++ b/m4/bison-check-compiler-flag.m4
@@ -2,7 +2,7 @@
# serial 1
-# Copyright (C) 2018 Free Software Foundation, # Inc.
+# Copyright (C) 2018-2020 Free Software Foundation, Inc.
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/m4/bison-cxx-std.m4 b/m4/bison-cxx-std.m4
index afef998a..19f52f23 100644
--- a/m4/bison-cxx-std.m4
+++ b/m4/bison-cxx-std.m4
@@ -1,6 +1,6 @@
# bison-cxx-std.m4 serial 1
-# Copyright (C) 2018 Free Software Foundation, # Inc.
+# Copyright (C) 2018-2020 Free Software Foundation, Inc.
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/m4/bison-i18n.m4 b/m4/bison-i18n.m4
index a45df0d2..a531df85 100644
--- a/m4/bison-i18n.m4
+++ b/m4/bison-i18n.m4
@@ -1,6 +1,6 @@
# bison-i18n.m4 serial 2
-dnl Copyright (C) 2005-2006, 2009-2015, 2018-2019 Free Software
+dnl Copyright (C) 2005-2006, 2009-2015, 2018-2020 Free Software
dnl Foundation, Inc.
dnl This file is free software; the Free Software Foundation
diff --git a/m4/c-working.m4 b/m4/c-working.m4
index 33f7d7f3..97f06dcd 100644
--- a/m4/c-working.m4
+++ b/m4/c-working.m4
@@ -1,6 +1,6 @@
# Sanity test a C compiler.
-# Copyright (C) 2006, 2009-2015, 2018-2019 Free Software Foundation,
+# Copyright (C) 2006, 2009-2015, 2018-2020 Free Software Foundation,
# Inc.
#
# This program is free software: you can redistribute it and/or modify
diff --git a/m4/cxx.m4 b/m4/cxx.m4
index 6e9c8915..c7dd0f90 100644
--- a/m4/cxx.m4
+++ b/m4/cxx.m4
@@ -1,7 +1,7 @@
# -*- Autoconf -*-
# Sanity-test a C++ compiler.
#
-# Copyright (C) 2004, 2006, 2009-2015, 2018-2019 Free Software
+# Copyright (C) 2004, 2006, 2009-2015, 2018-2020 Free Software
# Foundation, Inc.
#
# This program is free software: you can redistribute it and/or modify
diff --git a/m4/flex.m4 b/m4/flex.m4
index ed230a2a..f17e7152 100644
--- a/m4/flex.m4
+++ b/m4/flex.m4
@@ -1,5 +1,5 @@
# flex.m4 serial 2
-# Copyright (C) 2012-2015, 2018-2019 Free Software Foundation, Inc.
+# Copyright (C) 2012-2015, 2018-2020 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.