RazorDocument - [0..12)::12 - [<!th:myth />]
    MarkupBlock - [0..12)::12
        MarkupElement - [0..12)::12
            MarkupStartTag - [0..12)::12 - [<!th:myth />] - Gen<Markup> - SpanEditHandler;Accepts:Any
                OpenAngle;[<];
                Bang;[!];
                Text;[th:myth];
                MarkupMiscAttributeContent - [9..10)::1
                    MarkupTextLiteral - [9..10)::1 - [ ] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        Whitespace;[ ];
                ForwardSlash;[/];
                CloseAngle;[>];
    EndOfFile;[];
