some reformatting, use kw instead of opt-lambda
some reformatting, use kw instead of opt-lambda

svn: r5721

original commit: 625db9b46922532e7959fcd7936644093c657419

mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket