RazorDocument - [0..44)::44 - [{<span foo='abc@def.com abc@@def.com @@' />}]
    MarkupBlock - [0..44)::44
        MarkupTextLiteral - [0..1)::1 - [{] - Gen<Markup> - SpanEditHandler;Accepts:Any
            Text;[{];
        MarkupTagBlock - [1..43)::42 - [<span foo='abc@def.com abc@@def.com @@' />]
            MarkupTextLiteral - [1..6)::5 - [<span] - Gen<Markup> - SpanEditHandler;Accepts:Any
                OpenAngle;[<];
                Text;[span];
            MarkupAttributeBlock - [6..40)::34 - [ foo='abc@def.com abc@@def.com @@']
                MarkupTextLiteral - [6..7)::1 - [ ] - Gen<Markup> - SpanEditHandler;Accepts:Any
                    Whitespace;[ ];
                MarkupTextLiteral - [7..10)::3 - [foo] - Gen<Markup> - SpanEditHandler;Accepts:Any
                    Text;[foo];
                Equals;[=];
                MarkupTextLiteral - [11..12)::1 - ['] - Gen<None> - SpanEditHandler;Accepts:Any
                    SingleQuote;['];
                GenericBlock - [12..39)::27
                    MarkupLiteralAttributeValue - [12..23)::11 - [abc@def.com]
                        MarkupTextLiteral - [12..23)::11 - [abc@def.com] - Gen<Markup> - SpanEditHandler;Accepts:Any
                            Text;[abc@def.com];
                    MarkupLiteralAttributeValue - [23..27)::4 - [ abc]
                        MarkupTextLiteral - [23..24)::1 - [ ] - Gen<Markup> - SpanEditHandler;Accepts:Any
                            Whitespace;[ ];
                        MarkupTextLiteral - [24..27)::3 - [abc] - Gen<Markup> - SpanEditHandler;Accepts:Any
                            Text;[abc];
                    MarkupBlock - [27..29)::2
                        MarkupTextLiteral - [27..28)::1 - [@] - Gen<LitAttr:@(27:0,27)> - SpanEditHandler;Accepts:None
                            Transition;[@];
                        MarkupEphemeralTextLiteral - [28..29)::1 - [@] - Gen<None> - SpanEditHandler;Accepts:None
                            Transition;[@];
                    MarkupLiteralAttributeValue - [29..36)::7 - [def.com]
                        MarkupTextLiteral - [29..36)::7 - [def.com] - Gen<Markup> - SpanEditHandler;Accepts:Any
                            Text;[def.com];
                    MarkupBlock - [36..39)::3
                        MarkupTextLiteral - [36..38)::2 - [ @] - Gen<LitAttr: @(36:0,36)> - SpanEditHandler;Accepts:None
                            Whitespace;[ ];
                            Transition;[@];
                        MarkupEphemeralTextLiteral - [38..39)::1 - [@] - Gen<None> - SpanEditHandler;Accepts:None
                            Transition;[@];
                MarkupTextLiteral - [39..40)::1 - ['] - Gen<None> - SpanEditHandler;Accepts:Any
                    SingleQuote;['];
            MarkupTextLiteral - [40..43)::3 - [ />] - Gen<Markup> - SpanEditHandler;Accepts:Any
                Whitespace;[ ];
                ForwardSlash;[/];
                CloseAngle;[>];
        MarkupTextLiteral - [43..44)::1 - [}] - Gen<Markup> - SpanEditHandler;Accepts:Any
            Text;[}];
