--- loncom/homework/math_parser/ENode.pm	2017/01/27 20:24:26	1.5
+++ loncom/homework/math_parser/ENode.pm	2023/03/13 22:31:22	1.6
@@ -1,6 +1,8 @@
 # The LearningOnline Network with CAPA - LON-CAPA
 # Parsed tree node
 #
+# $Id: ENode.pm,v 1.6 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