Expression block - Gen<Expr> - 29 - (0:0,0)
    Code span - Gen<Expr> - [Foo(    LF] - ImplicitExpressionEditHandler;Accepts:Any;ImplicitExpression[RTD];K14 - (0:0,0) - Tokens:4
        SyntaxKind.Identifier;[Foo];
        SyntaxKind.LeftParenthesis;[(];
        SyntaxKind.Whitespace;[    ];
        SyntaxKind.NewLine;[LF];
    Template block - Gen<Template> - 18 - (10:1,0)
        Markup block - Gen<None> - 18 - (10:1,0)
            Transition span - Gen<None> - [@] - SpanEditHandler;Accepts:None - (10:1,0) - Tokens:1
                SyntaxKind.Transition;[@];
            MetaCode span - Gen<None> - [:] - SpanEditHandler;Accepts:Any - (11:1,1) - Tokens:1
                SyntaxKind.Colon;[:];
            Markup span - Gen<Markup> - [<p>Foo</p>    LF] - SpanEditHandler;Accepts:None - (12:1,2) - Tokens:10
                SyntaxKind.OpenAngle;[<];
                SyntaxKind.Text;[p];
                SyntaxKind.CloseAngle;[>];
                SyntaxKind.Text;[Foo];
                SyntaxKind.OpenAngle;[<];
                SyntaxKind.ForwardSlash;[/];
                SyntaxKind.Text;[p];
                SyntaxKind.CloseAngle;[>];
                SyntaxKind.Whitespace;[    ];
                SyntaxKind.NewLine;[LF];
    Code span - Gen<Expr> - [)] - ImplicitExpressionEditHandler;Accepts:NonWhitespace;ImplicitExpression[RTD];K14 - (28:2,0) - Tokens:1
        SyntaxKind.RightParenthesis;[)];
