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	      ABCL/R2 Gesi (the Summer Solstice) version
		    (version 0.50: June 21, 1993)

This distribution kit contains an implementation of ABCL/R2 system
which is an object-oriented concurrent reflective language based on
Hybrid Group Architecture.  As a reflective language, an ABCL/R2
program can dynamically control its own behavior, such as scheduling
policy, from within user-program.  As an object-oriented concurrent
language, this system has almost all functions of ABCL/1.


Currently, we have tested the system on following Common Lisp systems:
    o KCl (Kyoto Common Lisp)  Nov 13, 1990 (on SUN/SparcStations),
    o AKCL (Austin Kyoto Common Lisp)  Version(1.609) 
      (on SUN/SparcStations),
    o CMU Common Lisp 16d/16e (on SUN/SparcStations),
    o Macintosh Common Lisp 2.0, and
    o Sun Common Lisp.
We have also tested on ACL\PC (Allegro Common Lisp for Windows)
version 1.0, and it has worked.  The reason why ACL\PC is not listed
is that we only have rare access to that.  The main reason that other
Common Lisps are not listed above is our few accesses to them.


To build the system, please read `install' file (and `readme-mcl' for
MCL users).


If you have any troubles, questions, suggestions or comments, please
feel free to contact the authors.  The E-Mail addresses are:
	{masuhara,matsu,takuo,yonezawa}@is.s.u-tokyo.ac.jp.