RazorDocument - [0..15)::15 - [@custom System<]
    MarkupBlock - [0..15)::15
        MarkupTextLiteral - [0..0)::0 - [] - Gen<Markup> - SpanEditHandler;Accepts:Any
            Marker;[];
        CSharpCodeBlock - [0..8)::8
            RazorDirective - [0..8)::8 - Directive:{custom;SingleLine;Unrestricted} [RZ1014(8:0,8 [7] )]
                CSharpTransition - [0..1)::1 - Gen<None> - SpanEditHandler;Accepts:None
                    Transition;[@];
                RazorDirectiveBody - [1..8)::7
                    RazorMetaCode - [1..7)::6 - Gen<None> - SpanEditHandler;Accepts:None
                        Identifier;[custom];
                    CSharpCodeBlock - [7..8)::1
                        CSharpStatementLiteral - [7..8)::1 - [ ] - Gen<None> - SpanEditHandler;Accepts:Whitespace
                            Whitespace;[ ];
        MarkupTextLiteral - [8..14)::6 - [System] - Gen<Markup> - SpanEditHandler;Accepts:Any
            Text;[System];
        MarkupElement - [14..15)::1
            MarkupStartTag - [14..15)::1 - [<] - Gen<Markup> - SpanEditHandler;Accepts:Any
                OpenAngle;[<];
                Text;[<Missing>];
                CloseAngle;[<Missing>];
