RazorDocument - [0..22)::22 - [LF<br/>Foo<custom />LF]
    MarkupBlock - [0..22)::22
        MarkupTextLiteral - [0..2)::2 - [LF] - Gen<Markup> - SpanEditHandler;Accepts:Any
            NewLine;[LF];
        MarkupElement - [2..7)::5
            MarkupStartTag - [2..7)::5 - [<br/>] - Gen<Markup> - SpanEditHandler;Accepts:Any
                OpenAngle;[<];
                Text;[br];
                ForwardSlash;[/];
                CloseAngle;[>];
        MarkupTextLiteral - [7..10)::3 - [Foo] - Gen<Markup> - SpanEditHandler;Accepts:Any
            Text;[Foo];
        MarkupElement - [10..20)::10
            MarkupStartTag - [10..20)::10 - [<custom />] - Gen<Markup> - SpanEditHandler;Accepts:Any
                OpenAngle;[<];
                Text;[custom];
                MarkupMiscAttributeContent - [17..18)::1
                    MarkupTextLiteral - [17..18)::1 - [ ] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        Whitespace;[ ];
                ForwardSlash;[/];
                CloseAngle;[>];
        MarkupTextLiteral - [20..22)::2 - [LF] - Gen<Markup> - SpanEditHandler;Accepts:Any
            NewLine;[LF];
    EndOfFile;[];
