<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Support for Reasoned Schemer code came up in 2005 (with v3), and the answer then was "it's all standard R5RS," but now we have PLT v4, the FFI and R6RS, and I'm wondering if I play with the Reasoned Schemer code in v4, if anyone knows of problems I might encounter.  I'm working with Mindstorms NXT rewriting old code, and after discovering a Prolog interface to NXT from Poland [1], it seemed it might be nice to put the two ideas together.<div><br></div><div>Geoff</div><div><br></div><div>[1]  <font class="Apple-style-span" face="Monaco">(google "Grzegorz J. Nalepa" "Hekate Project")</font></div><div><br></div></body></html>