WrenGROGGS environment variables

WrenGROGGS uses some environment variables to figure out your preferences. Simple precedence is inadequate to do this 'right', so the following rules are used. At the point when these rules are applied, WrenGROGGS has read .groggprefs and .grogsrc, but not the command line :
Return to configuration, or the WrenGROGGS home page.
Last modified: Tue Sep 19 17:32:05 1995
Richard Watts <Richard.Watts@cl.cam.ac.uk>