Markup block - Gen<None> - 18 - (0:0,0)
    Tag block - Gen<TagHelper> - 18 - (0:0,0) - p - ptaghelper
        StartTagAndEndTag - <p> ... </p>
        SyntaxKind.HtmlTextLiteral - [Hello World] - [3..14) - FullWidth: 11 - Slots: 1
            SyntaxKind.List - [Hello World] - [3..14) - FullWidth: 11 - Slots: 3
                SyntaxKind.Text;[Hello];
                SyntaxKind.Whitespace;[ ];
                SyntaxKind.Text;[World];
