MarkupBlock - [0..26)::26 - [<foo><bar baz=">" /></foo>]
    MarkupTagBlock - [0..5)::5 - [<foo>]
        MarkupTextLiteral - [0..5)::5 - [<foo>] - Gen<Markup> - SpanEditHandler;Accepts:None
            OpenAngle;[<];
            Text;[foo];
            CloseAngle;[>];
    MarkupTagBlock - [5..20)::15 - [<bar baz=">" />]
        MarkupTextLiteral - [5..9)::4 - [<bar] - Gen<Markup> - SpanEditHandler;Accepts:Any
            OpenAngle;[<];
            Text;[bar];
        MarkupAttributeBlock - [9..17)::8 - [ baz=">"]
            MarkupTextLiteral - [9..10)::1 - [ ] - Gen<Markup> - SpanEditHandler;Accepts:Any
                Whitespace;[ ];
            MarkupTextLiteral - [10..13)::3 - [baz] - Gen<Markup> - SpanEditHandler;Accepts:Any
                Text;[baz];
            Equals;[=];
            MarkupTextLiteral - [14..15)::1 - ["] - Gen<None> - SpanEditHandler;Accepts:Any
                DoubleQuote;["];
            GenericBlock - [15..16)::1
                MarkupLiteralAttributeValue - [15..16)::1 - [>]
                    MarkupTextLiteral - [15..16)::1 - [>] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        CloseAngle;[>];
            MarkupTextLiteral - [16..17)::1 - ["] - Gen<None> - SpanEditHandler;Accepts:Any
                DoubleQuote;["];
        MarkupTextLiteral - [17..20)::3 - [ />] - Gen<Markup> - SpanEditHandler;Accepts:None
            Whitespace;[ ];
            ForwardSlash;[/];
            CloseAngle;[>];
    MarkupTagBlock - [20..26)::6 - [</foo>]
        MarkupTextLiteral - [20..26)::6 - [</foo>] - Gen<Markup> - SpanEditHandler;Accepts:None
            OpenAngle;[<];
            ForwardSlash;[/];
            Text;[foo];
            CloseAngle;[>];
