RazorDocument - [0..21)::21 - [@{<span foo='@ @' />}]
    MarkupBlock - [0..21)::21
        MarkupTextLiteral - [0..0)::0 - [] - Gen<Markup> - SpanEditHandler;Accepts:Any
            Marker;[];
        CSharpCodeBlock - [0..21)::21
            CSharpStatement - [0..21)::21
                CSharpTransition - [0..1)::1 - Gen<None> - SpanEditHandler;Accepts:None
                    Transition;[@];
                CSharpStatementBody - [1..21)::20
                    RazorMetaCode - [1..2)::1 - Gen<None> - SpanEditHandler;Accepts:None
                        LeftBrace;[{];
                    CSharpCodeBlock - [2..20)::18
                        MarkupBlock - [2..20)::18
                            MarkupElement - [2..20)::18
                                MarkupStartTag - [2..20)::18 - [<span foo='@ @' />] - Gen<Markup> - SpanEditHandler;Accepts:None
                                    OpenAngle;[<];
                                    Text;[span];
                                    MarkupAttributeBlock - [7..17)::10 - [ foo='@ @']
                                        MarkupTextLiteral - [7..8)::1 - [ ] - Gen<Markup> - SpanEditHandler;Accepts:Any
                                            Whitespace;[ ];
                                        MarkupTextLiteral - [8..11)::3 - [foo] - Gen<Markup> - SpanEditHandler;Accepts:Any
                                            Text;[foo];
                                        Equals;[=];
                                        MarkupTextLiteral - [12..13)::1 - ['] - Gen<Markup> - SpanEditHandler;Accepts:Any
                                            SingleQuote;['];
                                        GenericBlock - [13..16)::3
                                            MarkupDynamicAttributeValue - [13..14)::1 - [@]
                                                GenericBlock - [13..14)::1
                                                    CSharpCodeBlock - [13..14)::1
                                                        CSharpImplicitExpression - [13..14)::1
                                                            CSharpTransition - [13..14)::1 - Gen<None> - SpanEditHandler;Accepts:None
                                                                Transition;[@];
                                                            CSharpImplicitExpressionBody - [14..14)::0
                                                                CSharpCodeBlock - [14..14)::0
                                                                    CSharpExpressionLiteral - [14..14)::0 - [] - Gen<Expr> - ImplicitExpressionEditHandler;Accepts:NonWhitespace;ImplicitExpression[RTD];K14
                                                                        Marker;[];
                                            MarkupDynamicAttributeValue - [14..16)::2 - [ @]
                                                MarkupTextLiteral - [14..15)::1 - [ ] - Gen<Markup> - SpanEditHandler;Accepts:Any
                                                    Whitespace;[ ];
                                                GenericBlock - [15..16)::1
                                                    CSharpCodeBlock - [15..16)::1
                                                        CSharpImplicitExpression - [15..16)::1
                                                            CSharpTransition - [15..16)::1 - Gen<None> - SpanEditHandler;Accepts:None
                                                                Transition;[@];
                                                            CSharpImplicitExpressionBody - [16..16)::0
                                                                CSharpCodeBlock - [16..16)::0
                                                                    CSharpExpressionLiteral - [16..16)::0 - [] - Gen<Expr> - ImplicitExpressionEditHandler;Accepts:NonWhitespace;ImplicitExpression[RTD];K14
                                                                        Marker;[];
                                        MarkupTextLiteral - [16..17)::1 - ['] - Gen<Markup> - SpanEditHandler;Accepts:Any
                                            SingleQuote;['];
                                    MarkupMiscAttributeContent - [17..18)::1
                                        MarkupTextLiteral - [17..18)::1 - [ ] - Gen<Markup> - SpanEditHandler;Accepts:Any
                                            Whitespace;[ ];
                                    ForwardSlash;[/];
                                    CloseAngle;[>];
                        CSharpStatementLiteral - [20..20)::0 - [] - Gen<Stmt> - SpanEditHandler;Accepts:Any
                            Marker;[];
                    RazorMetaCode - [20..21)::1 - Gen<None> - SpanEditHandler;Accepts:None
                        RightBrace;[}];
        MarkupTextLiteral - [21..21)::0 - [] - Gen<Markup> - SpanEditHandler;Accepts:Any
            Marker;[];
