public override Style VisitTagNameSyntax(PgnTagNameSyntax node, PgnEditor pgnEditor) => pgnEditor.Styles[tagNameStyleIndex];
public virtual void VisitTagNameSyntax(PgnTagNameSyntax node) => DefaultVisit(node);
public override IGreenPgnSymbol VisitTagNameSyntax(PgnTagNameSyntax node) => node.Green;