Markup block - Gen<None> - 24 - (0:0,0)
    Tag block - Gen<TagHelper> - 24 - (0:0,0) - th:myth2 - mythTagHelper2
        SelfClosing - <th:myth2 class="btn" />
        class - DoubleQuotes
            Markup span - Gen<Markup> - [btn] - SpanEditHandler;Accepts:Any - (17:0,17) - Tokens:1
                HtmlTokenType.Text;[btn];
