RazorDocument - [0..15)::15 - [<input></input>]
    MarkupBlock - [0..15)::15
        MarkupTagHelperElement - [0..15)::15 - input[StartTagAndEndTag] - InputTagHelper1 - InputTagHelper2
            MarkupTagHelperStartTag - [0..7)::7
                MarkupTextLiteral - [0..7)::7 - [<input>] - Gen<Markup> - SpanEditHandler;Accepts:Any
                    OpenAngle;[<];
                    Text;[input];
                    CloseAngle;[>];
            MarkupTagHelperEndTag - [7..15)::8
                MarkupTextLiteral - [7..15)::8 - [</input>] - Gen<Markup> - SpanEditHandler;Accepts:Any
                    OpenAngle;[<];
                    ForwardSlash;[/];
                    Text;[input];
                    CloseAngle;[>];
