What is this?
-------------

This is a mini-adventure which includes a moderately general
system for handling substances that come in varying amounts.

Significant files:

        safe.t          Top level source file

        quantity.t      Source of the "substance", "quantityHolder"
                        and related classes

Copyleft
--------

Except for safe_std.t (which is derived from std.t in the TADS
distribution), these files are Copyright (C) 1993 by Gregory
C. Ewing. Permission is granted to use, modify and redistribute
them provided you grant the same rights to others.

Greg Ewing, Computer Science Dept, +--------------------------------------+
University of Canterbury,          | A citizen of NewZealandCorp, a       |
Christchurch, New Zealand          | wholly-owned subsidiary of Japan Inc.|
greg@cosc.canterbury.ac.nz         +--------------------------------------+