Fix contract for lookup-typed/lexical.
Default cases for printing.
Abstract out indexing functions for Nat/Integer split.
svn: r17272
original commit: d0c8a19ce84ce1ef674c1c43e69b56ee7e0a63a2
- uses keywords with bindings
- : macro in separate file so it can be used earlier
- internal function in separate file
FilterSet/c and LatentFilterSet/c contracts
Avoid returning #f when `look-for-in-orig' fails
Add type for unsafe-cdr
svn: r15923
original commit: 63d318fd4b7e7244af10fff21db74f0d09db5006
Split special type names into base-types-extra.ss
Fix test require.
Base types are now require in main.ss
svn: r12203
original commit: e69f6e126ad851175ea2ca8ce5f8381d238d1a40
