MarkupBlock - [0..23)::23 - [<?xml version="1.0" ?> ]
    MarkupTextLiteral - [0..22)::22 - [<?xml version="1.0" ?>] - Gen<Markup> - SpanEditHandler;Accepts:None
        OpenAngle;[<];
        QuestionMark;[?];
        Text;[xml];
        Whitespace;[ ];
        Text;[version];
        Equals;[=];
        DoubleQuote;["];
        Text;[1.0];
        DoubleQuote;["];
        Whitespace;[ ];
        QuestionMark;[?];
        CloseAngle;[>];
    MarkupTextLiteral - [22..23)::1 - [ ] - Gen<Markup> - SpanEditHandler;Accepts:None
        Whitespace;[ ];
