RazorDocument - [0..12)::12 - [<!th:myth />]
    MarkupBlock - [0..12)::12
        MarkupTagBlock - [0..12)::12 - [<!th:myth />]
            MarkupTextLiteral - [0..1)::1 - [<] - Gen<Markup> - SpanEditHandler;Accepts:Any
                OpenAngle;[<];
            RazorMetaCode - [1..2)::1 - Gen<None> - SpanEditHandler;Accepts:None
                Bang;[!];
            MarkupTextLiteral - [2..12)::10 - [th:myth />] - Gen<Markup> - SpanEditHandler;Accepts:Any
                Text;[th:myth];
                Whitespace;[ ];
                ForwardSlash;[/];
                CloseAngle;[>];
