MarkupBlock - [0..16)::16 - [<text>Foo</text>]
    MarkupTagBlock - [0..6)::6 - [<text>]
        MarkupTransition - [0..6)::6 - Gen<None> - SpanEditHandler;Accepts:None
            OpenAngle;[<];
            Text;[text];
            CloseAngle;[>];
    MarkupTextLiteral - [6..9)::3 - [Foo] - Gen<Markup> - SpanEditHandler;Accepts:None
        Text;[Foo];
    MarkupTagBlock - [9..16)::7 - [</text>]
        MarkupTransition - [9..16)::7 - Gen<None> - SpanEditHandler;Accepts:None
            OpenAngle;[<];
            ForwardSlash;[/];
            Text;[text];
            CloseAngle;[>];
