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Re: "Scheme has data types and Lisp doesn't."

In article <13120@well.UUCP> nagle@well.UUCP (John Nagle) writes:
>Common LISP has lots of declarations.  But the programmer isn't required
>to provide them and the compiler implementor isn't required to make them
>do much.  CLTL: [...]  Not that SCHEME is really all that different.

I knew about all of the things you cite in CLtL.  I still don't see
how it explains the claim that "Scheme has data types and Lisp doesn't."

-- Jeff