And another small editorial fix. In mapping-catenate!, two procedures are referred to as old names mapping-map/catenate and mapping-map/catenate!.On Sat, Jul 8, 2017 at 8:28 PM, Shiro Kawai <xxxxxx@gmail.com> wrote:The signature of mapping-catenate in the spec is(mapping-catenate mapping1 key value mapping2)But in the reference implementation it is(mapping-catenate comparator mapping1 key value mapping2)Since the description of the spec refers to the comparator argument, I think its signature is missing it.To unsubscribe from this list please go to http://www.simplelists.com/confirm.php?u=oa8YQq670QJsajDJIblEsMJ9MoezHUAm