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-rw-r--r--contrib/chem/examples/122/ch4q_rings.chem2
1 files changed, 1 insertions, 1 deletions
diff --git a/contrib/chem/examples/122/ch4q_rings.chem b/contrib/chem/examples/122/ch4q_rings.chem
index e7e3a2f20..bafdd927e 100644
--- a/contrib/chem/examples/122/ch4q_rings.chem
+++ b/contrib/chem/examples/122/ch4q_rings.chem
@@ -9,7 +9,7 @@ ch4q_rings.chem:
# by Jon L. Bentley, Lynn W. Jelinski, Brian W. Kernighan
# <http://cm.bell-labs.com/cm/cs/cstr/122.ps.gz>.
-# Copyright (C) 2006-2018 Free Software Foundation, Inc.
+# Copyright (C) 2006-2020 Free Software Foundation, Inc.
# This file is part of 'chem', which is part of 'groff'.