Per Bothner scripsit:

> Is the following reasonable (for r7rs)?
>
> (define-syntax else
>    (syntax-rules ()
>      ((_ . rest)
>       (syntax-error "invalid use of 'else"))))

That's a good definition, yes.  It's also fine for R5RS, since R5RS leaves
the question of binding open.

--
John Cowan          http://www.ccil.org/~cowan        cowan@ccil.org
Said Agatha Christie / To E. Philips Oppenheim
"Who is this Hemingway? / Who is this Proust?
Who is this Vladimir / Whatchamacallum,
This neopostrealist / Rabble?" she groused.
        --George Starbuck, Pith and Vinegar

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