Markup block - Gen<None> - 7 - (0:0,0)
    Tag block - Gen<None> - 7 - (0:0,0)
        Transition span - Gen<None> - [<text/>] - SpanEditHandler;Accepts:None - (0:0,0) - Symbols:4
            HtmlSymbolType.OpenAngle;[<];
            HtmlSymbolType.Text;[text];
            HtmlSymbolType.ForwardSlash;[/];
            HtmlSymbolType.CloseAngle;[>];
