You can't recreate "newtype" with "data". There's a long discussion of this in the report: check section 4.2.3
http://haskell.org/onlinereport/decls.html#sect4.2.3 John _______________________________________________ Haskell-Cafe mailing list [EMAIL PROTECTED] http://www.haskell.org/mailman/listinfo/haskell-cafe