Oleg Kiselyov has done some exploration into the darker corners of Scheme. See things like: How to Write Seemingly Unhygienic and Referentially Opaque Macros

Oleg Kiselyov has done some exploration into the darker corners of Scheme. See things like: How to Write Seemingly Unhygienic and Referentially Opaque Macros with Syntax-rules http://okmij.org/ftp/Scheme/macros.html#dirty-macros http://okmij.org/ftp/Scheme/macros.html#dirty-macros