RazorDocument - [0..21)::21 - [<input value=@foo />}]
    MarkupBlock - [0..21)::21
        MarkupElement - [0..20)::20
            MarkupStartTag - [0..20)::20 - [<input value=@foo />] - Gen<Markup> - SpanEditHandler;Accepts:Any
                OpenAngle;[<];
                Text;[input];
                MarkupAttributeBlock - [6..17)::11 - [ value=@foo]
                    MarkupTextLiteral - [6..7)::1 - [ ] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        Whitespace;[ ];
                    MarkupTextLiteral - [7..12)::5 - [value] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        Text;[value];
                    Equals;[=];
                    GenericBlock - [13..17)::4
                        MarkupDynamicAttributeValue - [13..17)::4 - [@foo]
                            GenericBlock - [13..17)::4
                                CSharpCodeBlock - [13..17)::4
                                    CSharpImplicitExpression - [13..17)::4
                                        CSharpTransition - [13..14)::1 - Gen<None> - SpanEditHandler;Accepts:None
                                            Transition;[@];
                                        CSharpImplicitExpressionBody - [14..17)::3
                                            CSharpCodeBlock - [14..17)::3
                                                CSharpExpressionLiteral - [14..17)::3 - [foo] - Gen<Expr> - ImplicitExpressionEditHandler;Accepts:NonWhitespace;ImplicitExpression[RTD];K14
                                                    Identifier;[foo];
                MarkupMiscAttributeContent - [17..18)::1
                    MarkupTextLiteral - [17..18)::1 - [ ] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        Whitespace;[ ];
                ForwardSlash;[/];
                CloseAngle;[>];
        MarkupTextLiteral - [20..21)::1 - [}] - Gen<Markup> - SpanEditHandler;Accepts:Any
            Text;[}];
