Markup block - Gen<None> - 77 - (0:0,0)
    Tag block - Gen<TagHelper> - 77 - (0:0,0) - p - ptaghelper
        StartTagAndEndTag - <p> ... </p>
        Markup span - Gen<Markup> - [Hello World ] - SpanEditHandler;Accepts:Any - (3:0,3) - Tokens:4
            HtmlTokenType.Text;[Hello];
            HtmlTokenType.WhiteSpace;[ ];
            HtmlTokenType.Text;[World];
            HtmlTokenType.WhiteSpace;[ ];
        Statement block - Gen<None> - 58 - (15:0,15)
            Transition span - Gen<None> - [@] - SpanEditHandler;Accepts:None - (15:0,15) - Tokens:1
                CSharpTokenType.Transition;[@];
            Code span - Gen<Stmt> - [do { var foo = bar;] - SpanEditHandler;Accepts:Any - (16:0,16) - Tokens:12
                CSharpTokenType.Keyword;[do];
                CSharpTokenType.WhiteSpace;[ ];
                CSharpTokenType.LeftBrace;[{];
                CSharpTokenType.WhiteSpace;[ ];
                CSharpTokenType.Identifier;[var];
                CSharpTokenType.WhiteSpace;[ ];
                CSharpTokenType.Identifier;[foo];
                CSharpTokenType.WhiteSpace;[ ];
                CSharpTokenType.Assign;[=];
                CSharpTokenType.WhiteSpace;[ ];
                CSharpTokenType.Identifier;[bar];
                CSharpTokenType.Semicolon;[;];
            Markup block - Gen<None> - 12 - (35:0,35)
                Markup span - Gen<Markup> - [ ] - SpanEditHandler;Accepts:Any - (35:0,35) - Tokens:1
                    HtmlTokenType.WhiteSpace;[ ];
                Tag block - Gen<TagHelper> - 10 - (36:0,36) - p - ptaghelper
                    StartTagAndEndTag - <p> ... </p>
                    Markup span - Gen<Markup> - [Foo] - SpanEditHandler;Accepts:Any - (39:0,39) - Tokens:1
                        HtmlTokenType.Text;[Foo];
                Markup span - Gen<Markup> - [ ] - SpanEditHandler;Accepts:None - (46:0,46) - Tokens:1
                    HtmlTokenType.WhiteSpace;[ ];
            Code span - Gen<Stmt> - [foo++; } while (foo<bar>);] - SpanEditHandler;Accepts:None - (47:0,47) - Tokens:15
                CSharpTokenType.Identifier;[foo];
                CSharpTokenType.Increment;[++];
                CSharpTokenType.Semicolon;[;];
                CSharpTokenType.WhiteSpace;[ ];
                CSharpTokenType.RightBrace;[}];
                CSharpTokenType.WhiteSpace;[ ];
                CSharpTokenType.Keyword;[while];
                CSharpTokenType.WhiteSpace;[ ];
                CSharpTokenType.LeftParenthesis;[(];
                CSharpTokenType.Identifier;[foo];
                CSharpTokenType.LessThan;[<];
                CSharpTokenType.Identifier;[bar];
                CSharpTokenType.GreaterThan;[>];
                CSharpTokenType.RightParenthesis;[)];
                CSharpTokenType.Semicolon;[;];
