Markup block - Gen<None> - 41 - (0:0,0)
    Tag block - Gen<TagHelper> - 41 - (0:0,0) - script - scripttaghelper
        SelfClosing - <script class="foo" style="color:red;" />
        class - DoubleQuotes
            Markup span - Gen<Markup> - [foo] - SpanEditHandler;Accepts:Any - (15:0,15) - Tokens:1
                HtmlTokenType.Text;[foo];
        style - DoubleQuotes
            Markup span - Gen<Markup> - [color:red;] - SpanEditHandler;Accepts:Any - (27:0,27) - Tokens:1
                HtmlTokenType.Text;[color:red;];
