Per Bothner scripsit:

> In Kawa set! returns no values.  I think this makes the REPL nicer:
> set!, define, and similar forms return no values, which prints out as
> nothing.

Every R5RS-compliant Scheme I know of does effectively the same thing:
it returns a distinguished value which the P part of the REPL ignores.
There was a discussion of standardizing this value, but the the WG
decided not to.

--
                Si hoc legere scis, nimium eruditionis habes.

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