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------------------------------------------------------------
From: jaffer@zurich.ai.mit.edu (Aubrey Jaffer)
Newsgroups: comp.lang.scheme
Subject: Scheme release scm4a1 (alpha) available.
Date: 15 Apr 92 18:30:06 GMT
Organization: M.I.T. Artificial Intelligence Lab.
In-Reply-To: jaffer@zurich.ai.mit.edu's message of Mon, 13 Apr 1992 07:21:19 GMT

scm4a0 had some missing declarations.  scm4a1 should be better
behaved.  There is a patch file scm4a1.pat.  The regular announcement
follows:
----------------------------------------------------------------------
This message announces the availability of Scheme release scm4a1.

DELAY, FORCE, TRANSCRIPT-ON and TRANSCRIPT-OFF have been added.  The
read macro syntax #. has been added.  The file functions have been
rewritten in terms of OPEN-FILE and OPEN-PIPE.  FILE-EXISTS?,
STRING-SET-LENGTH! STRING-VECTOR-LENGTH! have been added.  ALARM and
support for SIGALRM interrupts have been added.  Process
synchronization primitives have been added.  Machines with 64 bit
words are now supported.  HEDDEN@esdsdf.dnet.ge.com (Jerry D.  Hedden)
has fixed problems with numeric comparisons.

Scm conforms to Revised^4 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, NOS/VE, VMS, Unix and similar systems.
ASCII and EBCDIC are supported.

Documentation is included explaining the many Scheme Language
extensions in scm, the internal representation and how to extend or
include scm in other programs.

SCM can be obtained via FTP (detailed instructions follow) from:
altdorf.ai.mit.edu:archive/scm/scm4a1.shar
altdorf.ai.mit.edu:archive/scm/slib1b5.shar
altdorf.ai.mit.edu:archive/scm/scm4a1.tar.Z
altdorf.ai.mit.edu:archive/scm/slib1b5.tar.Z
nexus.yorku.ca:pub/oz/scheme/new/scm4a1.shar
nexus.yorku.ca:pub/oz/scheme/new/slib1b5.shar
nexus.yorku.ca:pub/oz/scheme/new/scm4a1.tar.Z
nexus.yorku.ca:pub/oz/scheme/new/slib1b5.tar.Z

  ftp altdorf.ai.mit.edu [18.43.0.246] (anonymous)
  cd archive/scm
or
  ftp nexus.yorku.ca (anonymous)
  cd pub/oz/scheme/new

This directory contains the distribution version 3c of scm.
  `scm4a1.shar' is a shar file of the C code distribution.
  `scm4a1.tar.Z' is a compressed tar file of the C code distribution.
  `slib1b5.shar' is a shar file of a Scheme Library.
  `slib1b5.tar.Z' is a compressed tar file of a Scheme Library.

Remember to use binary mode when transferring the *.tar.Z files.
Be sure to get and read the GNU General Public License (COPYING).
It is included in the scm4a1.shar and scm4a1.tar.Z files.

To receive an IBM PC floppy disk with the source files and MSDOS
executable send $60 ($65 for i386 version) to
Aubrey Jaffer, 84 Pleasant St. Wakefield MA 01880, USA.

If you like scm you can support the developement and maintainence of
it by buying a disk from me or by sending money to the above address.
Money received will also help speed the release of a free symbolic
mathematics system (written in scheme).