Index: src/SynTree/BaseSyntaxNode.h
===================================================================
--- src/SynTree/BaseSyntaxNode.h	(revision aba20d252ff0657f8a54ae4f5b2ff291161cfb08)
+++ src/SynTree/BaseSyntaxNode.h	(revision 65240bbf85edbcb53a5d3c3101d0486d5b11f3bb)
@@ -9,7 +9,7 @@
 // Author           : Thierry Delisle
 // Created On       : Tue Feb 14 07:44:20 2017
-// Last Modified By : Andrew Beach
-// Last Modified On : Thr Aug 17 13:44:00
-// Update Count     : 1
+// Last Modified By : Peter A. Buhr
+// Last Modified On : Wed Jul 10 16:13:49 2019
+// Update Count     : 4
 //
 
@@ -25,11 +25,12 @@
 class BaseSyntaxNode {
   public:
-  static Stats::Counters::SimpleCounter* new_nodes;
+	static Stats::Counters::SimpleCounter* new_nodes;
 
 	CodeLocation location;
 
-  BaseSyntaxNode() { ++*new_nodes; }
-  BaseSyntaxNode( const BaseSyntaxNode& o ) : location(o.location) { ++*new_nodes; }
-
+	BaseSyntaxNode() { ++*new_nodes; }
+	BaseSyntaxNode( const BaseSyntaxNode & o ) : location(o.location) { ++*new_nodes; }
+	BaseSyntaxNode & operator=( const BaseSyntaxNode & ) = default;
+	
 	virtual ~BaseSyntaxNode() {}
 
@@ -37,7 +38,7 @@
 	virtual void accept( Visitor & v ) = 0;
 	virtual BaseSyntaxNode * acceptMutator( Mutator & m ) = 0;
-  /// Notes:
-  /// * each node is responsible for indenting its children.
-  /// * Expressions should not finish with a newline, since the expression's parent has better information.
+	/// Notes:
+	/// * each node is responsible for indenting its children.
+	/// * Expressions should not finish with a newline, since the expression's parent has better information.
 	virtual void print( std::ostream & os, Indenter indent = {} ) const = 0;
 };
Index: src/SynTree/Constant.h
===================================================================
--- src/SynTree/Constant.h	(revision aba20d252ff0657f8a54ae4f5b2ff291161cfb08)
+++ src/SynTree/Constant.h	(revision 65240bbf85edbcb53a5d3c3101d0486d5b11f3bb)
@@ -9,7 +9,7 @@
 // Author           : Richard C. Bilson
 // Created On       : Mon May 18 07:44:20 2015
-// Last Modified By : Andrew Beach
-// Last Modified On : Fri Spt 28 14:48:00 2018
-// Update Count     : 18
+// Last Modified By : Peter A. Buhr
+// Last Modified On : Wed Jul 10 15:57:38 2019
+// Update Count     : 19
 //
 
@@ -30,4 +30,5 @@
 	Constant( Type * type, std::string rep, std::optional<unsigned long long> i );
 	Constant( const Constant & other );
+	Constant & operator=( const Constant & ) = default;
 	virtual ~Constant();