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-rw-r--r--m4/dup2.m43
1 files changed, 2 insertions, 1 deletions
diff --git a/m4/dup2.m4 b/m4/dup2.m4
index 7e777cdee6a..8a040d4c369 100644
--- a/m4/dup2.m4
+++ b/m4/dup2.m4
@@ -1,5 +1,6 @@
#serial 27
-dnl Copyright (C) 2002, 2005, 2007, 2009-2022 Free Software Foundation, Inc.
+dnl Copyright (C) 2002, 2005, 2007, 2009-2023 Free Software Foundation,
+dnl Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.