Not perfectly safe, but safer than (eval (read))
It aims to make evaluation of limited subsets of user code safer.
The brave of heart can use a gzipped tarball or the darcs repository. Those wanting stability will have to wait. :P
Documentation? You want documentation? Do I look like Edi to you?
Essentially, "use however, no fair suing". So consider it BSD/MIT, I guess.
(make-email-address :local-part "pinterface" :host "gmail.com"), where the implementation of make-email-address is left as a, hopefully trivial, exercise to the reader. E-mailing the darcs patch author won't work until I get around to setting up that address.