There's a typo in generators-impl.scm.  I have posted a new version
to <http://www.ccil.org/~cowan/generators-impl.scm>.  Please post to the
repo and regenerate generators.tar.gz.  Thanks.

--
John Cowan          http://www.ccil.org/~cowan        xxxxxx@ccil.org
Do what you will / this Life's a Fiction
And is made up of / Contradiction.  --William Blake