RazorDocument - [0..12)::12 - [<input <p />]
    MarkupBlock - [0..12)::12
        MarkupTagBlock - [0..7)::7 - [<input ]
            MarkupTextLiteral - [0..7)::7 - [<input ] - Gen<Markup> - SpanEditHandler;Accepts:Any
                OpenAngle;[<];
                Text;[input];
                Whitespace;[ ];
        MarkupTagHelperElement - [7..12)::5 - p[SelfClosing] - ptaghelper
            MarkupTagHelperStartTag - [7..12)::5
                MarkupTextLiteral - [7..12)::5 - [<p />] - Gen<Markup> - SpanEditHandler;Accepts:Any
                    OpenAngle;[<];
                    Text;[p];
                    Whitespace;[ ];
                    ForwardSlash;[/];
                    CloseAngle;[>];
