RazorDocument - [0..2)::2 - [<p]
    MarkupBlock - [0..2)::2
        MarkupTagBlock - [0..2)::2 - [<p]
            MarkupTextLiteral - [0..2)::2 - [<p] - Gen<Markup> - SpanEditHandler;Accepts:Any
                OpenAngle;[<];
                Text;[p];
