This message announces the availability of Scheme release scm5e4.

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, Windows,
Unix, and similar systems.

SCM is free software.  It is released under the GNU Public License
(GPL) with an exception allowing it to be linked with non-GPL
programs (see http://swiss.csail.mit.edu/~jaffer/SCM_LICENSE).

Documentation and distributions in several formats are linked from
SCM's home page:

	     http://swiss.csail.mit.edu/~jaffer/SCM

Links to distributions of SCM and related softwares are at the end of
this message.

				-=-=-
scm5e4 news:

* Jerry van Dijk wrote NSIS script to create MS-Windows installers.

* Added (compiled) byte-number module.

* scm-file-position replaces file-position and file-set-position!;
  moved from i/o-extensions module to SCM core functionality.

* Added --no-symbol-case-fold command-line option to make symbol
  reading case-sensitive.

* Added (R6RS) bitwise-bit-count.

* Makefile (install*): Added $(DESTDIR) prefix.

				-=-=-

SCM source is available from:
 http://swiss.csail.mit.edu/ftpdir/scm/scm5e4.zip
 swiss.csail.mit.edu:/pub/scm/scm5e4.zip
 http://swiss.csail.mit.edu/ftpdir/scm/scm-5e4-1.src.rpm
 swiss.csail.mit.edu:/pub/scm/scm-5e4-1.src.rpm
Also available as i386 binary RPM:
 http://swiss.csail.mit.edu/ftpdir/scm/scm-5e4-1.i386.rpm
 swiss.csail.mit.edu:/pub/scm/scm-5e4-1.i386.rpm

SLIB is a portable Scheme library which SCM uses:
 http://swiss.csail.mit.edu/ftpdir/scm/slib3a5.zip
 swiss.csail.mit.edu:/pub/scm/slib3a5.zip
Also available as RPM:
 http://swiss.csail.mit.edu/ftpdir/scm/slib-3a5-1.noarch.rpm
 swiss.csail.mit.edu:/pub/scm/slib-3a5-1.noarch.rpm

JACAL is a symbolic math system written in Scheme:
 http://swiss.csail.mit.edu/ftpdir/scm/jacal1b8.zip
 swiss.csail.mit.edu:/pub/scm/jacal1b8.zip

SLIB-PSD is a portable debugger for Scheme (requires emacs editor):
 http://swiss.csail.mit.edu/ftpdir/scm/slib-psd1-3.tar.gz
 swiss.csail.mit.edu:/pub/scm/slib-psd1-3.tar.gz

SMG-SCM is an SMG interface package which works with SCM on VMS.
 http://swiss.csail.mit.edu/ftpdir/scm/smg-scm2a1.zip
 swiss.csail.mit.edu:/pub/scm/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:
 http://swiss.csail.mit.edu/ftpdir/scm/turtlegr.tar.gz
 swiss.csail.mit.edu:/pub/scm/turtlegr.tar.gz

XSCM is a X windows interface package which works with SCM:
 http://swiss.csail.mit.edu/ftpdir/scm/xscm-2.01.tar.gz
 swiss.csail.mit.edu:/pub/scm/xscm-2.01.tar.gz

MacSCM is a Macintosh applications building package which works with
SCM (similar to XSCM).
 http://swiss.csail.mit.edu/ftpdir/scm/macscm.tar.Z
 swiss.csail.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.
 http://swiss.csail.mit.edu/ftpdir/scm/wb2a1.zip
 swiss.csail.mit.edu:/pub/scm/wb2a1.zip
 http://swiss.csail.mit.edu/ftpdir/scm/wb-2a1-1.src.rpm
 swiss.csail.mit.edu:/pub/scm/wb-2a1-1.src.rpm
Also available as i386 binary RPM:
 http://swiss.csail.mit.edu/ftpdir/scm/wb-2a1-1.i386.rpm
 swiss.csail.mit.edu:/pub/scm/wb-2a1-1.i386.rpm

SIMSYNCH is a digital logic simulation system written in SCM.
 http://swiss.csail.mit.edu/ftpdir/scm/synch1b0.zip
 swiss.csail.mit.edu:/pub/scm/synch1b0.zip

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/dld-3.3.tar.gz

SCM.EXE (314k) is a SCM executable for DOS and MS-Windows.
Note: SCM.EXE still requires slib3a5 and scm5e4 above.
 http://swiss.csail.mit.edu/ftpdir/scm/scm.exe
 swiss.csail.mit.edu:/pub/scm/scm.exe

#! implements "#!" (POSIX) shell-scripts for MS-DOS batch files.
 http://swiss.csail.mit.edu/ftpdir/scm/sharpbang.zip
 swiss.csail.mit.edu:/pub/scm/sharpbang.zip
 http://swiss.csail.mit.edu/ftpdir/scm/#!.zip
 swiss.csail.mit.edu:/pub/scm/#!.zip

Programs for printing and viewing TexInfo documentation (which SCM
has) come with GNU Emacs or can be obtained via ftp from:
 ftp://ftp.gnu.org/pub/gnu/texinfo/texinfo-4.8.tar.gz