@scheme*' ->
Also, updates some of the mzlib files to point at `racket/*' libraries rather than to `scheme/*' ones. original commit: ac26fe75546b5182d78f18c2cd882f0f440849e2
(Some other minor things here and there.) original commit: debd1f9f1e6899e2a7e4ab5de929a49df490b5c7
svn: r9389 original commit: 6fcc293c4a3422e162b06fc4264a975cadfb8570