Markup block - Gen<None> - 21 - (0:0,0)
    Tag block - Gen<None> - 5 - (0:0,0)
        Markup span - Gen<Markup> - [<foo>] - SpanEditHandler;Accepts:None - (0:0,0) - Tokens:3
            SyntaxKind.OpenAngle;[<];
            SyntaxKind.Text;[foo];
            SyntaxKind.CloseAngle;[>];
    Tag block - Gen<None> - 5 - (5:0,5)
        Markup span - Gen<Markup> - [<bar>] - SpanEditHandler;Accepts:None - (5:0,5) - Tokens:3
            SyntaxKind.OpenAngle;[<];
            SyntaxKind.Text;[bar];
            SyntaxKind.CloseAngle;[>];
    Tag block - Gen<None> - 5 - (10:0,10)
        Markup span - Gen<Markup> - [<baz>] - SpanEditHandler;Accepts:None - (10:0,10) - Tokens:3
            SyntaxKind.OpenAngle;[<];
            SyntaxKind.Text;[baz];
            SyntaxKind.CloseAngle;[>];
    Tag block - Gen<None> - 6 - (15:0,15)
        Markup span - Gen<Markup> - [</foo>] - SpanEditHandler;Accepts:None - (15:0,15) - Tokens:4
            SyntaxKind.OpenAngle;[<];
            SyntaxKind.ForwardSlash;[/];
            SyntaxKind.Text;[foo];
            SyntaxKind.CloseAngle;[>];
