Markup block - Gen<None> - 2 - (0:0,0)
    Tag block - Gen<None> - 2 - (0:0,0)
        Markup span - Gen<Markup> - [<p] - SpanEditHandler;Accepts:Any - (0:0,0) - Tokens:2
            HtmlTokenType.OpenAngle;[<];
            HtmlTokenType.Text;[p];
