RazorDocument - [0..38)::38 - [<<p><<custom></<</custom></custom></p>]
    MarkupBlock - [0..38)::38
        MarkupTagBlock - [0..1)::1 - [<]
            MarkupTextLiteral - [0..1)::1 - [<] - Gen<Markup> - SpanEditHandler;Accepts:Any
                OpenAngle;[<];
        MarkupTagHelperElement - [1..38)::37 - p[StartTagAndEndTag] - PTagHelper - CatchALlTagHelper
            MarkupTagHelperStartTag - [1..4)::3
                MarkupTextLiteral - [1..4)::3 - [<p>] - Gen<Markup> - SpanEditHandler;Accepts:Any
                    OpenAngle;[<];
                    Text;[p];
                    CloseAngle;[>];
            MarkupTagBlock - [4..5)::1 - [<]
                MarkupTextLiteral - [4..5)::1 - [<] - Gen<Markup> - SpanEditHandler;Accepts:Any
                    OpenAngle;[<];
            MarkupTagHelperElement - [5..25)::20 - custom[StartTagAndEndTag] - CatchALlTagHelper
                MarkupTagHelperStartTag - [5..13)::8
                    MarkupTextLiteral - [5..13)::8 - [<custom>] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        OpenAngle;[<];
                        Text;[custom];
                        CloseAngle;[>];
                MarkupTagBlock - [13..15)::2 - [</]
                    MarkupTextLiteral - [13..15)::2 - [</] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        OpenAngle;[<];
                        ForwardSlash;[/];
                MarkupTagBlock - [15..16)::1 - [<]
                    MarkupTextLiteral - [15..16)::1 - [<] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        OpenAngle;[<];
                MarkupTagHelperEndTag - [16..25)::9
                    MarkupTextLiteral - [16..25)::9 - [</custom>] - Gen<Markup> - SpanEditHandler;Accepts:Any
                        OpenAngle;[<];
                        ForwardSlash;[/];
                        Text;[custom];
                        CloseAngle;[>];
            MarkupTagBlock - [25..34)::9 - [</custom>]
                MarkupTextLiteral - [25..34)::9 - [</custom>] - Gen<Markup> - SpanEditHandler;Accepts:Any
                    OpenAngle;[<];
                    ForwardSlash;[/];
                    Text;[custom];
                    CloseAngle;[>];
            MarkupTagHelperEndTag - [34..38)::4
                MarkupTextLiteral - [34..38)::4 - [</p>] - Gen<Markup> - SpanEditHandler;Accepts:Any
                    OpenAngle;[<];
                    ForwardSlash;[/];
                    Text;[p];
                    CloseAngle;[>];
