There's also http://srfi.schemers.org/srfi-110/srfi-110.html http://srfi.schemers.org/srfi-110/srfi-110.html, which hasn't taken off "yet." (Unlikely it ever wi

There's also http://srfi.schemers.org/srfi-110/srfi-110.html http://srfi.schemers.org/srfi-110/srfi-110.html, which hasn't taken off "yet." (Unlikely it ever will, just like M-expressions)