RazorDocument - [0..20)::20 - [<input value=@foo />]
    MarkupBlock - [0..20)::20
        MarkupTagBlock - [0..20)::20 - [<input value=@foo />]
            MarkupTextLiteral - [0..6)::6 - [<input] - 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];
            MarkupTextLiteral - [17..20)::3 - [ />] - Gen<Markup> - SpanEditHandler;Accepts:Any
                Whitespace;[ ];
                ForwardSlash;[/];
                CloseAngle;[>];
