Markup block - Gen<None> - 22 - (0:0,0)
    Markup span - Gen<Markup> - [{] - SpanEditHandler;Accepts:Any - (0:0,0) - Symbols:1
        HtmlSymbolType.Text;[{];
    Tag block - Gen<None> - 20 - (1:0,1)
        Markup span - Gen<Markup> - [<span] - SpanEditHandler;Accepts:Any - (1:0,1) - Symbols:2
            HtmlSymbolType.OpenAngle;[<];
            HtmlSymbolType.Text;[span];
        Markup block - Gen<Attr:foo, foo='@(6:0,6),'@(17:0,17)> - 12 - (6:0,6)
            Markup span - Gen<None> - [ foo='] - SpanEditHandler;Accepts:Any - (6:0,6) - Symbols:4
                HtmlSymbolType.WhiteSpace;[ ];
                HtmlSymbolType.Text;[foo];
                HtmlSymbolType.Equals;[=];
                HtmlSymbolType.SingleQuote;['];
            Markup block - Gen<None> - 2 - (12:0,12)
                Markup span - Gen<LitAttr:@(12:0,12)> - [@] - SpanEditHandler;Accepts:None - (12:0,12) - Symbols:1
                    HtmlSymbolType.Transition;[@];
                Markup span - Gen<None> - [@] - SpanEditHandler;Accepts:None - (13:0,13) - Symbols:1
                    HtmlSymbolType.Transition;[@];
            Markup span - Gen<LitAttr:@(14:0,14)> - [def] - SpanEditHandler;Accepts:Any - (14:0,14) - Symbols:1
                HtmlSymbolType.Text;[def];
            Markup span - Gen<None> - ['] - SpanEditHandler;Accepts:Any - (17:0,17) - Symbols:1
                HtmlSymbolType.SingleQuote;['];
        Markup span - Gen<Markup> - [ />] - SpanEditHandler;Accepts:Any - (18:0,18) - Symbols:3
            HtmlSymbolType.WhiteSpace;[ ];
            HtmlSymbolType.ForwardSlash;[/];
            HtmlSymbolType.CloseAngle;[>];
    Markup span - Gen<Markup> - [}] - SpanEditHandler;Accepts:Any - (21:0,21) - Symbols:1
        HtmlSymbolType.Text;[}];
