This page is part of the web mail archives of SRFI 26 from before July 7th, 2015. The new archives for SRFI 26 contain all messages, not just those from before July 7th, 2015.
I might be wrong but is (curry _ . <>) legal Scheme syntax? R5RS says (4.3 Macros) that "Program defined expression types have the syntax (<keyword> <datum> ...) ..." felix