Per Bothner scripsit:

> Various changes based on people's suggestions.  The only substantive
> change is being more specific that make-string and string-copy must
> return variable-sized strings while the other standard procedures
> don't have to.

This looks very good.

> John Cowan suggested in
> http://srfi.schemers.org/srfi-118/mail-archive/msg00002.html 3
> procedures: string-copy, string-variable-copy, string-immutable-copy.
> I didn't incorporate this suggestion, as I'm not convinced cluttering
> up the API this way is worth it.

On reflection, I'm inclined to agree.  I now think that
<http://trac.sacrideo.us/wg/wiki/CharacterSpansCowan> (which will
eventually become a SRFI) is a better approach to immutable strings.

--
John Cowan          http://www.ccil.org/~cowan        xxxxxx@ccil.org
O beautiful for patriot's dream that sees beyond the years
Thine alabaster cities gleam undimmed by human tears!
America! America!  God mend thine every flaw,
Confirm thy soul in self-control, thy liberty in law!
        --one of the verses not usually taught in U.S. schools