RazorDocument - [0..33)::33 - [<p class1='' class2= class3="" />]
    MarkupBlock - [0..33)::33
        MarkupTagHelperElement - [0..33)::33 - p[SelfClosing] - ptaghelper
            MarkupTagHelperStartTag - [0..33)::33 - [<p class1='' class2= class3="" />] - Gen<Markup> - SpanEditHandler;Accepts:Any
                OpenAngle;[<];
                Text;[p];
                MarkupTagHelperAttribute - [2..12)::10 - class1 - SingleQuotes - Unbound - [ class1='']
                    MarkupTextLiteral - [2..3)::1 - [ ] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        Whitespace;[ ];
                    MarkupTextLiteral - [3..9)::6 - [class1] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        Text;[class1];
                    Equals;[=];
                    MarkupTextLiteral - [10..11)::1 - ['] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        SingleQuote;['];
                    MarkupTagHelperAttributeValue - [11..11)::0
                        MarkupTextLiteral - [11..11)::0 - []
                    MarkupTextLiteral - [11..12)::1 - ['] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        SingleQuote;['];
                MarkupTagHelperAttribute - [12..20)::8 - class2 - DoubleQuotes - Unbound - [ class2=]
                    MarkupTextLiteral - [12..13)::1 - [ ] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        Whitespace;[ ];
                    MarkupTextLiteral - [13..19)::6 - [class2] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        Text;[class2];
                    Equals;[=];
                    MarkupTagHelperAttributeValue - [20..20)::0
                        MarkupTextLiteral - [20..20)::0 - []
                MarkupTagHelperAttribute - [20..30)::10 - class3 - DoubleQuotes - Unbound - [ class3=""]
                    MarkupTextLiteral - [20..21)::1 - [ ] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        Whitespace;[ ];
                    MarkupTextLiteral - [21..27)::6 - [class3] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        Text;[class3];
                    Equals;[=];
                    MarkupTextLiteral - [28..29)::1 - ["] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        DoubleQuote;["];
                    MarkupTagHelperAttributeValue - [29..29)::0
                        MarkupTextLiteral - [29..29)::0 - []
                    MarkupTextLiteral - [29..30)::1 - ["] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        DoubleQuote;["];
                MarkupMiscAttributeContent - [30..31)::1
                    MarkupTextLiteral - [30..31)::1 - [ ] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        Whitespace;[ ];
                ForwardSlash;[/];
                CloseAngle;[>];
    EndOfFile;[];
