RazorDocument - [0..13)::13 - [foo @date baz]
    MarkupBlock - [0..13)::13
        MarkupTextLiteral - [0..4)::4 - [foo ] - Gen<Markup> - SpanEditHandler;Accepts:Any
            Text;[foo];
            Whitespace;[ ];
        CSharpCodeBlock - [4..9)::5
            CSharpImplicitExpression - [4..9)::5
                CSharpTransition - [4..5)::1 - Gen<None> - SpanEditHandler;Accepts:None
                    Transition;[@];
                CSharpImplicitExpressionBody - [5..9)::4
                    CSharpCodeBlock - [5..9)::4
                        CSharpExpressionLiteral - [5..9)::4 - [date] - Gen<Expr> - ImplicitExpressionEditHandler;Accepts:NonWhitespace;ImplicitExpression[RTD];K22
                            Identifier;[date];
        MarkupTextLiteral - [9..13)::4 - [ baz] - Gen<Markup> - SpanEditHandler;Accepts:Any
            Whitespace;[ ];
            Text;[baz];
