OOPs. I guess it will take time to get used to all those parens. Thanks for all the support. On Sat, Jan 30, 2010 at 5:51 PM, Ben Goetter <goetter at mazama.net> wrote: > You have made a typographical error in atom.scm. Count the parentheses in > the last line -- to the right of "not" -- carefully. > > - Joe