I visited the Wikipedia page on Hygienic macros today, and was a bit appalled to see a laundry list of languages with hygienic macros that made no reference to Racket. I added a short paragraph on two novel features of Racket's syntactic system (towers of evaluation and enforestation), but anyone with ten free minutes is welcome to bang on it some. Especially Ryan or Jon...
John ____________________ Racket Users list: http://lists.racket-lang.org/users