MarkupBlock - [0..7)::7 - [<text/>]
    MarkupTagBlock - [0..7)::7 - [<text/>]
        MarkupTransition - [0..7)::7 - Gen<None> - SpanEditHandler;Accepts:None
            OpenAngle;[<];
            Text;[text];
            ForwardSlash;[/];
            CloseAngle;[>];
