RazorDocument - [0..18)::18 - [<span foo='@ @' />]
    MarkupBlock - [0..18)::18
        MarkupElement - [0..18)::18
            MarkupStartTag - [0..18)::18 - [<span foo='@ @' />] - Gen<Markup> - SpanEditHandler;Accepts:Any
                OpenAngle;[<];
                Text;[span];
                MarkupAttributeBlock - [5..15)::10 - [ foo='@ @']
                    MarkupTextLiteral - [5..6)::1 - [ ] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        Whitespace;[ ];
                    MarkupTextLiteral - [6..9)::3 - [foo] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        Text;[foo];
                    Equals;[=];
                    MarkupTextLiteral - [10..11)::1 - ['] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        SingleQuote;['];
                    GenericBlock - [11..14)::3
                        MarkupDynamicAttributeValue - [11..12)::1 - [@]
                            GenericBlock - [11..12)::1
                                CSharpCodeBlock - [11..12)::1
                                    CSharpImplicitExpression - [11..12)::1
                                        CSharpTransition - [11..12)::1 - Gen<None> - SpanEditHandler;Accepts:None
                                            Transition;[@];
                                        CSharpImplicitExpressionBody - [12..12)::0
                                            CSharpCodeBlock - [12..12)::0
                                                CSharpExpressionLiteral - [12..12)::0 - [] - Gen<Expr> - ImplicitExpressionEditHandler;Accepts:NonWhitespace;ImplicitExpression[RTD];K15
                                                    Marker;[];
                        MarkupDynamicAttributeValue - [12..14)::2 - [ @]
                            MarkupTextLiteral - [12..13)::1 - [ ] - Gen<Markup> - SpanEditHandler;Accepts:Any
                                Whitespace;[ ];
                            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];K15
                                                    Marker;[];
                    MarkupTextLiteral - [14..15)::1 - ['] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        SingleQuote;['];
                MarkupMiscAttributeContent - [15..16)::1
                    MarkupTextLiteral - [15..16)::1 - [ ] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        Whitespace;[ ];
                ForwardSlash;[/];
                CloseAngle;[>];
    EndOfFile;[];
