--- loncom/homework/math_parser/CalcEnv.pm	2015/06/30 17:42:14	1.2
+++ loncom/homework/math_parser/CalcEnv.pm	2023/03/13 22:31:22	1.3
@@ -1,6 +1,8 @@
 # The LearningOnline Network with CAPA - LON-CAPA
 # CalcEnv
 #
+# $Id: CalcEnv.pm,v 1.3 2023/03/13 22:31:22 raeburn Exp $
+#
 # Copyright (C) 2014 Michigan State University Board of Trustees
 #
 # This program is free software: you can redistribute it and/or modify