A shell for grammar development by Jo Calder <jcalder@cs.sfu.ca>, Kevin Humphreys <kwh@cogsci.ed.ac.uk>, Chris Brew <Chris.Brew@edinburgh.ac.uk>, and Mike Reape <mreape@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: <pleuk@cogsci.ed.ac.uk>.