RazorDocument - [0..12)::12 - [<p><!p></!p>]
    MarkupBlock - [0..12)::12
        MarkupTagHelperElement - [0..12)::12 - p[StartTagAndEndTag] - ptaghelper
            MarkupTagHelperStartTag - [0..3)::3 - [<p>] - Gen<Markup> - SpanEditHandler;Accepts:Any
                OpenAngle;[<];
                Text;[p];
                CloseAngle;[>];
            MarkupElement - [3..12)::9
                MarkupStartTag - [3..7)::4 - [<!p>] - Gen<Markup> - SpanEditHandler;Accepts:Any
                    OpenAngle;[<];
                    Bang;[!];
                    Text;[p];
                    CloseAngle;[>];
                MarkupEndTag - [7..12)::5 - [</!p>] - Gen<Markup> - SpanEditHandler;Accepts:Any
                    OpenAngle;[<];
                    ForwardSlash;[/];
                    Bang;[!];
                    Text;[p];
                    CloseAngle;[>];
