Markup block - Gen<None> - 30 - (0:0,0)
    Markup span - Gen<Markup> - [Foo Baz] - SpanEditHandler;Accepts:Any - (0:0,0) - Tokens:3
        SyntaxKind.Text;[Foo];
        SyntaxKind.Whitespace;[ ];
        SyntaxKind.Text;[Baz];
    HtmlComment block - Gen<None> - 10 - (7:0,7)
        Markup span - Gen<Markup> - [<!--] - SpanEditHandler;Accepts:None - (7:0,7) - Tokens:3
            SyntaxKind.OpenAngle;[<];
            SyntaxKind.Bang;[!];
            SyntaxKind.DoubleHyphen;[--];
        Markup span - Gen<Markup> - [Foo] - SpanEditHandler;Accepts:Whitespace - (11:0,11) - Tokens:1
            SyntaxKind.Text;[Foo];
        Markup span - Gen<Markup> - [-->] - SpanEditHandler;Accepts:None - (14:0,14) - Tokens:2
            SyntaxKind.DoubleHyphen;[--];
            SyntaxKind.CloseAngle;[>];
    Markup span - Gen<Markup> - [Bar] - SpanEditHandler;Accepts:Any - (17:0,17) - Tokens:1
        SyntaxKind.Text;[Bar];
    Markup span - Gen<Markup> - [<!--F> Qux] - SpanEditHandler;Accepts:Any - (20:0,20) - Tokens:7
        SyntaxKind.OpenAngle;[<];
        SyntaxKind.Bang;[!];
        SyntaxKind.DoubleHyphen;[--];
        SyntaxKind.Text;[F];
        SyntaxKind.CloseAngle;[>];
        SyntaxKind.Whitespace;[ ];
        SyntaxKind.Text;[Qux];
