This message announces the availability of Scheme release scm5d0.

Scm conforms to Revised^5 Report on the Algorithmic Language Scheme
and the IEEE P1178 specification.  Scm is written in C and runs under
Amiga, Atari-ST, MacOS, MS-DOS, OS/2, NOS/VE, Unicos, VMS, Unix and
similar systems.  ASCII and EBCDIC are supported.

Documentation is included explaining the many Scheme Language
extensions in scm, the internal representations, and how to extend or
include SCM in other programs.  Documentation is online at:

	     http://swissnet.ai.mit.edu/~jaffer/SCM.html

SCM can be obtained via FTP (detailed instructions follow) from:
 swissnet.ai.mit.edu:pub/scm/scm5d0.tar.gz
 ftp.gnu.org:pub/gnu/jacal/scm5d0.tar.gz

SLIB is a portable Scheme library which SCM uses:
 swissnet.ai.mit.edu:pub/scm/slib2c5.tar.gz
 ftp.gnu.org:pub/gnu/jacal/slib2c5.tar.gz

JACAL is a symbolic math system written in Scheme:
 swissnet.ai.mit.edu:pub/scm/jacal1a9.tar.gz
 ftp.gnu.org:pub/gnu/jacal/jacal1a9.tar.gz

HOBBIT is a compiler for SCM code:
 swissnet.ai.mit.edu:pub/scm/hobbit5x.tar.gz
 ftp.gnu.org:pub/gnu/jacal/hobbit5x.tar.gz

SLIB-PSD is a portable debugger for Scheme (requires emacs editor):
 swissnet.ai.mit.edu:pub/scm/slib-psd1-3.tar.gz
 ftp.gnu.org:pub/gnu/jacal/slib-psd1-3.tar.gz

SMG-SCM is an SMG interface package which works with SCM on VMS.
 swissnet.ai.mit.edu:pub/scm/smg-scm2a1.zip
 ftp.gnu.org:pub/gnu/jacal/smg-scm2a1.zip
A VMS version of Unzip is available by anonymous FTP from
 ftp.spc.edu:[ANONYMOUS.MACRO32]UNZIP.EXE.

TURTLSCM is a turtle graphics package which works with SCM on MS-DOS
or X11 machines:
 swissnet.ai.mit.edu:pub/scm/turtlegr.tar.gz
 ftp.gnu.org:pub/gnu/jacal/turtlegr.tar.gz

XSCM is a X windows interface package which works with SCM:
 swissnet.ai.mit.edu:pub/scm/xscm-2.01.tar.gz
 ftp.gnu.org:pub/gnu/jacal/xscm-2.01.tar.gz

MacSCM is a Macintosh applications building package which works with
SCM (similar to XSCM).
 swissnet.ai.mit.edu:pub/scm/macscm.tar.Z

WB is a disk based, sorted associative array (B-tree) library for SCM.
Using WB, large databases can be created and managed from SCM.
 swissnet.ai.mit.edu:pub/scm/wb1a2.tar.gz

SIMSYNCH is a digital logic simulation system written in SCM.
 swissnet.ai.mit.edu:pub/scm/synch1b0.tar.gz
 ftp.gnu.org:pub/gnu/jacal/synch1b0.tar.gz

DLD is a C library package allowing SCM to dynamically load object
files on VAX (Ultrix), Sun 3 (SunOS 3.4 and 4.0), SPARCstation
(SunOS 4.0), Sequent Symmetry (Dynix), Atari ST, and a.out Linux
systems.
 ftp.gnu.org:pub/gnu/dld-3.3.tar.gz

SCMLIT.EXE (150k) is a no-frills compilation of SCM for DOS and MS-Windows.
Note: SCMLIT still requires slib2c5 and scm5d0 above.
 swissnet.ai.mit.edu:pub/scm/scmlit.exe

#! implements "#!" (POSIX) shell-scripts for MS-DOS batch files.
 swissnet.ai.mit.edu:pub/scm/#!.zip

				-=-=-

  ftp swissnet.ai.mit.edu (anonymous)
  bin
  cd pub/scm
  get scm5d0.tar.gz
  get slib2c5.tar.gz
or
  ftp ftp.gnu.org (anonymous)
  bin
  cd pub/gnu/jacal
  get scm5d0.tar.gz
  get slib2c5.tar.gz

  `scm5d0.tar.gz' is a gzipped tar file of the C code distribution.
  `slib2c5.tar.gz' is a gzipped tar file of a Scheme Library.

Files in these directories with the ".gz" suffix are compressed with
patent-free gzip (no relation to zip).  The program to uncompress them
is available from
 ftp.gnu.org:pub/gnu/gzip-1.2.4.tar
 ftp.gnu.org:pub/gnu/gzip-1.2.4.shar
 ftp.gnu.org:pub/gnu/gzip-1.2.4.msdos.exe

Remember to use binary mode when transferring the files.
Be sure to get and read the GNU General Public License (COPYING).
It is included in scm5d0.tar.gz.

I sell IBM PC floppy disk sets with the source files, documentation,
and MS-DOS and i386 MS-DOS executables for $99.00.  To order, send
e-mail to jaffer @ ai.mit.edu.