Could you please link to this? I didn't find anything when searching for the relevant keywords, or see anything of the sort at http://docs.racket-lang.org/.
I was interested specifically in "using Racket's macro system to implement a slight variation of Algol 60", which is not what that section or the Racket guide section on macros [0] does.
It's not clear what was meant by "the Racket tutorial".