(PSD) A package for source code debugging of R4RS -compliant Scheme under GNU Emacs by Kellom ?ki Pertti GNU GPL . It works with scm , Elk and {Scheme-">pk@cs.tut.fi. Version 1.1. Distributed under GNU GPL . It works with scm , Elk and {Scheme- C}.
ftp://ftp.cs.tut.fi/pub/src/languages/schemes/psd.tar.Z .
(1992-10-08)