Seems like you need at least one newline at the end of the file -- put an empty line or two after your printf("Hello") and then it should work.<div> <div class="gmail_quote">On Wed, Jul 20, 2011 at 6:30 PM, Grant Rettke <<a href="mailto:grettke@acm.org">grettke@acm.org</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">On Wed, Jul 20, 2011 at 4:10 PM, Greg Hendershott <<a href="mailto:greghendershott@gmail.com">greghendershott@gmail.com</a>> wrote: >> define factorial(n) >> if {n <= 1} >> 1 >> {n * factorial{n - 1}} > > Wouldn't it need to be something like: > > define( factorial(n) > if {n <= 1} > 1 > {n * factorial{n - 1}} ) > > ? > > That is, `define' itself needs some sort of handling, whether sweet or sour? I tried from the docs: #lang planet asumu/sweet racket printf("Hello") and got the error: application: bad syntax (illegal use of `.') in: (#<eof> . #<eof>) _________________________________________________ For list-related administrative tasks: <a href="http://lists.racket-lang.org/listinfo/users" target="_blank">http://lists.racket-lang.org/listinfo/users</a> </blockquote></div> </div>