Markup block - Gen<None> - 13 - (0:0,0)
    Tag block - Gen<None> - 3 - (0:0,0)
        Markup span - Gen<Markup> - [<p>] - SpanEditHandler;Accepts:None - (0:0,0) - Symbols:3
            HtmlSymbolType.OpenAngle;[<];
            HtmlSymbolType.Text;[p];
            HtmlSymbolType.CloseAngle;[>];
    Markup span - Gen<Markup> - [foo#] - SpanEditHandler;Accepts:Any - (3:0,3) - Symbols:1
        HtmlSymbolType.Text;[foo#];
    Expression block - Gen<Expr> - 2 - (7:0,7)
        Transition span - Gen<None> - [@] - SpanEditHandler;Accepts:None - (7:0,7) - Symbols:1
            CSharpSymbolType.Transition;[@];
        Code span - Gen<Expr> - [i] - ImplicitExpressionEditHandler;Accepts:NonWhiteSpace;ImplicitExpression[RTD];K14 - (8:0,8) - Symbols:1
            CSharpSymbolType.Identifier;[i];
    Tag block - Gen<None> - 4 - (9:0,9)
        Markup span - Gen<Markup> - [</p>] - SpanEditHandler;Accepts:None - (9:0,9) - Symbols:4
            HtmlSymbolType.OpenAngle;[<];
            HtmlSymbolType.ForwardSlash;[/];
            HtmlSymbolType.Text;[p];
            HtmlSymbolType.CloseAngle;[>];
