Markup block - Gen<None> - 47 - (0:0,0)
    Tag block - Gen<TagHelper> - 47 - (0:0,0) - strong - catchAllTagHelper
        StartTagAndEndTag - <strong catchAll="hi"> ... </strong>
        catchAll - DoubleQuotes
            Markup span - Gen<Markup> - [hi] - SpanEditHandler;Accepts:Any - (18:0,18) - Tokens:1
                HtmlTokenType.Text;[hi];
        Markup span - Gen<Markup> - [words and spaces] - SpanEditHandler;Accepts:Any - (22:0,22) - Tokens:5
            HtmlTokenType.Text;[words];
            HtmlTokenType.WhiteSpace;[ ];
            HtmlTokenType.Text;[and];
            HtmlTokenType.WhiteSpace;[ ];
            HtmlTokenType.Text;[spaces];
