A shell for grammar development by Jo Calder @cs.sfu.ca>, Kevin Humphreys @cogsci.ed.ac.uk>, Chris Brew @edinburgh.ac.uk>, and Mike Reape @cs.tcd.ie>. It handles various grammatical formalisms and requires SICStus Prolog version 2.1#6 or later. Current version: 1.0, as of 1993-06-18. . E-mail: @cogsci.ed.ac.uk>. (2000-07-22)