RazorDocument - [0..52)::52 - [Hello<p class="foo" /> <p style="color:red;" />World]
    MarkupBlock - [0..52)::52
        MarkupTextLiteral - [0..5)::5 - [Hello] - Gen<Markup> - SpanEditHandler;Accepts:Any
            Text;[Hello];
        MarkupTagHelperElement - [5..22)::17 - p[SelfClosing] - ptaghelper
            MarkupTagHelperStartTag - [5..22)::17
                MarkupTextLiteral - [5..7)::2 - [<p] - Gen<Markup> - SpanEditHandler;Accepts:Any
                    OpenAngle;[<];
                    Text;[p];
                MarkupTagHelperAttribute - [7..19)::12 - class - DoubleQuotes - Unbound - [ class="foo"]
                    MarkupTextLiteral - [7..8)::1 - [ ] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        Whitespace;[ ];
                    MarkupTextLiteral - [8..13)::5 - [class] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        Text;[class];
                    Equals;[=];
                    MarkupTextLiteral - [14..15)::1 - ["] - Gen<None> - SpanEditHandler;Accepts:Any
                        DoubleQuote;["];
                    MarkupTagHelperAttributeValue - [15..18)::3
                        MarkupLiteralAttributeValue - [15..18)::3 - [foo]
                            MarkupTextLiteral - [15..18)::3 - [foo] - Gen<Markup> - SpanEditHandler;Accepts:Any
                                Text;[foo];
                    MarkupTextLiteral - [18..19)::1 - ["] - Gen<None> - SpanEditHandler;Accepts:Any
                        DoubleQuote;["];
                MarkupTextLiteral - [19..22)::3 - [ />] - Gen<Markup> - SpanEditHandler;Accepts:Any
                    Whitespace;[ ];
                    ForwardSlash;[/];
                    CloseAngle;[>];
        MarkupTextLiteral - [22..23)::1 - [ ] - Gen<Markup> - SpanEditHandler;Accepts:Any
            Whitespace;[ ];
        MarkupTagHelperElement - [23..47)::24 - p[SelfClosing] - ptaghelper
            MarkupTagHelperStartTag - [23..47)::24
                MarkupTextLiteral - [23..25)::2 - [<p] - Gen<Markup> - SpanEditHandler;Accepts:Any
                    OpenAngle;[<];
                    Text;[p];
                MarkupTagHelperAttribute - [25..44)::19 - style - DoubleQuotes - Unbound - [ style="color:red;"]
                    MarkupTextLiteral - [25..26)::1 - [ ] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        Whitespace;[ ];
                    MarkupTextLiteral - [26..31)::5 - [style] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        Text;[style];
                    Equals;[=];
                    MarkupTextLiteral - [32..33)::1 - ["] - Gen<None> - SpanEditHandler;Accepts:Any
                        DoubleQuote;["];
                    MarkupTagHelperAttributeValue - [33..43)::10
                        MarkupLiteralAttributeValue - [33..43)::10 - [color:red;]
                            MarkupTextLiteral - [33..43)::10 - [color:red;] - Gen<Markup> - SpanEditHandler;Accepts:Any
                                Text;[color:red;];
                    MarkupTextLiteral - [43..44)::1 - ["] - Gen<None> - SpanEditHandler;Accepts:Any
                        DoubleQuote;["];
                MarkupTextLiteral - [44..47)::3 - [ />] - Gen<Markup> - SpanEditHandler;Accepts:Any
                    Whitespace;[ ];
                    ForwardSlash;[/];
                    CloseAngle;[>];
        MarkupTextLiteral - [47..52)::5 - [World] - Gen<Markup> - SpanEditHandler;Accepts:Any
            Text;[World];
