RazorDocument - [0..24)::24 - [<strong catchAll="hi" />]
    MarkupBlock - [0..24)::24
        MarkupTagHelperElement - [0..24)::24 - strong[SelfClosing] - catchAllTagHelper
            MarkupTagHelperStartTag - [0..24)::24
                MarkupTextLiteral - [0..7)::7 - [<strong] - Gen<Markup> - SpanEditHandler;Accepts:Any
                    OpenAngle;[<];
                    Text;[strong];
                MarkupTagHelperAttribute - [7..21)::14 - catchAll - DoubleQuotes - Unbound - [ catchAll="hi"]
                    MarkupTextLiteral - [7..8)::1 - [ ] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        Whitespace;[ ];
                    MarkupTextLiteral - [8..16)::8 - [catchAll] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        Text;[catchAll];
                    Equals;[=];
                    MarkupTextLiteral - [17..18)::1 - ["] - Gen<None> - SpanEditHandler;Accepts:Any
                        DoubleQuote;["];
                    MarkupTagHelperAttributeValue - [18..20)::2
                        MarkupLiteralAttributeValue - [18..20)::2 - [hi]
                            MarkupTextLiteral - [18..20)::2 - [hi] - Gen<Markup> - SpanEditHandler;Accepts:Any
                                Text;[hi];
                    MarkupTextLiteral - [20..21)::1 - ["] - Gen<None> - SpanEditHandler;Accepts:Any
                        DoubleQuote;["];
                MarkupTextLiteral - [21..24)::3 - [ />] - Gen<Markup> - SpanEditHandler;Accepts:Any
                    Whitespace;[ ];
                    ForwardSlash;[/];
                    CloseAngle;[>];
