Markup block - Gen<None> - 23 - (0:0,0)
    Tag block - Gen<None> - 23 - (0:0,0)
        Markup span - Gen<Markup> - [<a] - SpanEditHandler;Accepts:Any - (0:0,0) - Tokens:2
            SyntaxKind.OpenAngle;[<];
            SyntaxKind.Text;[a];
        Markup block - Gen<Attr:href, href LF= LF'@(2:0,2),'@(19:2,5)> - 18 - (2:0,2)
            Markup span - Gen<None> - [ href LF= LF'] - SpanEditHandler;Accepts:Any - (2:0,2) - Tokens:8
                SyntaxKind.Whitespace;[ ];
                SyntaxKind.Text;[href];
                SyntaxKind.Whitespace;[ ];
                SyntaxKind.NewLine;[LF];
                SyntaxKind.Equals;[=];
                SyntaxKind.Whitespace;[ ];
                SyntaxKind.NewLine;[LF];
                SyntaxKind.SingleQuote;['];
            Markup block - Gen<DynAttr:@(15:2,1)> - 4 - (15:2,1)
                Expression block - Gen<Expr> - 4 - (15:2,1)
                    Transition span - Gen<None> - [@] - SpanEditHandler;Accepts:None - (15:2,1) - Tokens:1
                        SyntaxKind.Transition;[@];
                    Code span - Gen<Expr> - [Foo] - ImplicitExpressionEditHandler;Accepts:NonWhitespace;ImplicitExpression[RTD];K14 - (16:2,2) - Tokens:1
                        SyntaxKind.Identifier;[Foo];
            Markup span - Gen<None> - ['] - SpanEditHandler;Accepts:Any - (19:2,5) - Tokens:1
                SyntaxKind.SingleQuote;['];
        Markup span - Gen<Markup> - [ />] - SpanEditHandler;Accepts:None - (20:2,6) - Tokens:3
            SyntaxKind.Whitespace;[ ];
            SyntaxKind.ForwardSlash;[/];
            SyntaxKind.CloseAngle;[>];
