MarkupBlock - [0..33)::33 - [<span data-foo  =  '@foo'></span>]
    MarkupTagBlock - [0..26)::26 - [<span data-foo  =  '@foo'>]
        MarkupTextLiteral - [0..5)::5 - [<span] - Gen<Markup> - SpanEditHandler;Accepts:Any
            OpenAngle;[<];
            Text;[span];
        MarkupAttributeBlock - [5..25)::20 - [ data-foo  =  '@foo']
            MarkupTextLiteral - [5..6)::1 - [ ] - Gen<Markup> - SpanEditHandler;Accepts:Any
                Whitespace;[ ];
            MarkupTextLiteral - [6..14)::8 - [data-foo] - Gen<Markup> - SpanEditHandler;Accepts:Any
                Text;[data-foo];
            MarkupTextLiteral - [14..16)::2 - [  ] - Gen<Markup> - SpanEditHandler;Accepts:Any
                Whitespace;[  ];
            Equals;[=];
            MarkupTextLiteral - [17..20)::3 - [  '] - Gen<Markup> - SpanEditHandler;Accepts:Any
                Whitespace;[  ];
                SingleQuote;['];
            GenericBlock - [20..24)::4
                CSharpCodeBlock - [20..24)::4
                    CSharpImplicitExpression - [20..24)::4
                        CSharpTransition - [20..21)::1 - Gen<None> - SpanEditHandler;Accepts:None
                            Transition;[@];
                        CSharpImplicitExpressionBody - [21..24)::3
                            CSharpCodeBlock - [21..24)::3
                                CSharpExpressionLiteral - [21..24)::3 - [foo] - Gen<Expr> - ImplicitExpressionEditHandler;Accepts:NonWhitespace;ImplicitExpression[RTD];K14
                                    Identifier;[foo];
            MarkupTextLiteral - [24..25)::1 - ['] - Gen<Markup> - SpanEditHandler;Accepts:Any
                SingleQuote;['];
        MarkupTextLiteral - [25..26)::1 - [>] - Gen<Markup> - SpanEditHandler;Accepts:None
            CloseAngle;[>];
    MarkupTagBlock - [26..33)::7 - [</span>]
        MarkupTextLiteral - [26..33)::7 - [</span>] - Gen<Markup> - SpanEditHandler;Accepts:None
            OpenAngle;[<];
            ForwardSlash;[/];
            Text;[span];
            CloseAngle;[>];
