Per Bothner scripsit:

> So I looked at the offending code.  The attached solution is shorter,
> seems cleaner, and is likely to be more efficient.

I've incorporated your patch into SRFI-121 final.  (Note that unlike the
SRFI text, the implementation is never truly final, and may be updated
to fix conformance or performance bugs at any time.)

--
John Cowan          http://www.ccil.org/~cowan        xxxxxx@ccil.org
A witness cannot give evidence of his age unless he can remember being born.
                --Judge Blagden