RazorDocument - [0..60)::60 - [<input @bind-value="Message" @bind-value:event="onchange" />]
    MarkupBlock - [0..60)::60
        MarkupTagHelperElement - [0..60)::60 - input[SelfClosing] - Bind
            MarkupTagHelperStartTag - [0..60)::60 - [<input @bind-value="Message" @bind-value:event="onchange" />] - Gen<Markup> - SpanEditHandler;Accepts:Any
                OpenAngle;[<];
                Text;[input];
                MarkupTagHelperDirectiveAttribute - [6..28)::22
                    MarkupTextLiteral - [6..7)::1 - [ ] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        Whitespace;[ ];
                    RazorMetaCode - [7..8)::1
                        Transition;[@];
                    MarkupTextLiteral - [8..18)::10 - [bind-value]
                        Text;[bind-value];
                    Equals;[=];
                    MarkupTextLiteral - [19..20)::1 - ["] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        DoubleQuote;["];
                    MarkupTagHelperAttributeValue - [20..27)::7
                        CSharpExpressionLiteral - [20..27)::7 - [Message] - Gen<None> - ImplicitExpressionEditHandler;Accepts:AnyExceptNewline;ImplicitExpression[ATD];K14
                            Text;[Message];
                    MarkupTextLiteral - [27..28)::1 - ["] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        DoubleQuote;["];
                MarkupTagHelperDirectiveAttribute - [28..57)::29
                    MarkupTextLiteral - [28..29)::1 - [ ] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        Whitespace;[ ];
                    RazorMetaCode - [29..30)::1
                        Transition;[@];
                    MarkupTextLiteral - [30..40)::10 - [bind-value]
                        Text;[bind-value];
                    RazorMetaCode - [40..41)::1
                        Colon;[:];
                    MarkupTextLiteral - [41..46)::5 - [event]
                        Text;[event];
                    Equals;[=];
                    MarkupTextLiteral - [47..48)::1 - ["] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        DoubleQuote;["];
                    MarkupTagHelperAttributeValue - [48..56)::8
                        MarkupTextLiteral - [48..56)::8 - [onchange] - Gen<Markup> - SpanEditHandler;Accepts:Any
                            Text;[onchange];
                    MarkupTextLiteral - [56..57)::1 - ["] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        DoubleQuote;["];
                MarkupMiscAttributeContent - [57..58)::1
                    MarkupTextLiteral - [57..58)::1 - [ ] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        Whitespace;[ ];
                ForwardSlash;[/];
                CloseAngle;[>];
