RazorDocument - [0..15)::15 - [@val?[abc]?[def]
    MarkupBlock - [0..15)::15
        MarkupTextLiteral - [0..0)::0 - [] - Gen<Markup> - SpanEditHandler;Accepts:Any
            Marker;[];
        CSharpCodeBlock - [0..15)::15
            CSharpImplicitExpression - [0..15)::15
                CSharpTransition - [0..1)::1 - Gen<None> - SpanEditHandler;Accepts:None
                    Transition;[@];
                CSharpImplicitExpressionBody - [1..15)::14
                    CSharpCodeBlock - [1..15)::14
                        CSharpExpressionLiteral - [1..15)::14 - [val?[abc]?[def] - Gen<Expr> - ImplicitExpressionEditHandler;Accepts:Any;ImplicitExpression[RTD];K14
                            Identifier;[val];
                            QuestionMark;[?];
                            LeftBracket;[[];
                            Identifier;[abc];
                            RightBracket;[]];
                            QuestionMark;[?];
                            LeftBracket;[[];
                            Identifier;[def];
    EndOfFile;[];
