public override Style VisitEscapeSyntax(PgnEscapeSyntax node, PgnEditor pgnEditor) => pgnEditor.Styles[escapedLineStyleIndex];
public virtual void VisitEscapeSyntax(PgnEscapeSyntax node) => DefaultVisit(node);
public override IGreenPgnSymbol VisitEscapeSyntax(PgnEscapeSyntax node) => node.Green;