This message announces the availability of Scheme release scm5d9.

New in scm5d9:

  * ramap.c (array-map): Added.
  * byte.c: Added.  Improves RANDOM speed by 32%.
  * subr.c (scm_logbitp, scm_ash): Prevent wraparound (1>>32==1).
  * ioext.c, posix.c (system->line): Defined.
  * scl.c (floequal): Fixed so 0/0==0/0.
  (eqv, eqp): Use floequal.
  * eval.c (init_eval): add_feature("primitive-hygiene").
  * scl.c (eqp): Fixed so (let ((nan 0/0)) (= nan nan)) ==> #t.
  (in2ex): Infinite loop on (inexact->exact 0/0) change to err.
  * scl.c (iflo2str): Use negated conditional to handle 0/0.
  (NaN2str): Removed "#i" prefix.

  * scm.texi (Embedding SCM): Updated libtest example for
  init_user_scm indirection (which Radey added 2003-01-24).
  * scm.texi (MS-DOS Compatible Scripts): Added sharpbang URL.
  * scm.texi (Build Options): Described *.opt option files.
  * scm.texi (Automatic C Preprocessor Definitions): Added IA64.
  * scm.texi (Line Numbers): Added read-for-load.
  (Load Syntax): Distinguished from Read syntax; documented #?line,
  #?column, and #?file.
  (Data Type Representations): Updated port formats.

  * Makefile (dfiles): Added version.txi platform.txi features.txi.
  * Makefile (CFLAGS): Removed "-g".
  * Makefile (pg.opt, gdb.opt, dlls.opt): Added.  Cleanup options.
  * Makefile (continue.o): Was missing scmfig.h and scm.h
  dependencies.
  * Makefile (uninstallinfo): Created.
  (uninstall): Remove libscmdir files.
  * Makefile (release): Make pdf(s).

  * Init5d8.scm (slib:eval-load): Use *load-reader*.
  * repl.c (scm_read_for_load): Added.
  (p_read_numbered, p_read_for_load, p_read): Added locatives.
  (lreadr): Pass appropriate read routine to load:sharp; read:sharp.
  (flgs): Renamed from nump to reduce interference with INUMP, etc.
  * Init5d8.scm (load:sharp, read:sharp): Split read:sharp.
  (load:sharp, read:sharp, char:sharp, read:array): Added READ arg.
  (char:sharp): Renamed from read:sharp-char.
  (read:sharp): Integrated #; into.
  * repl.c (scm_read): Renamed from lread().
  (loc_charsharp): Renamed from loc_readsharpc.
  (loc_loadsharp): Added to separate LOAD-macros from READ-macros.
  (f_read_numbered): Removed unused variable.
  (repl, tryload, scm_load_string): Use scm_read_numbered().
  (lreadpr): Dispatch to loc_readsharp or loc_loadsharp depending on
  nump.
  * Init5d8.scm (make-array): Alias of create-array.
  (read:sharp): Feature evaluation now slib:provided?

  * mkimpcat.scm: Added rwb-isam feature.
  * mkimpcat.scm (primitive-hygiene): Use feature to conditionalize
  macro association.

  * scmfig.h (CDR_DOUBLES, SHORT_INT): Added __ia64 #defines.

  * build.scm (build): processor-family now symbol; i8086 <- 8086.
  * build.scm (manifest): Added "byte.c".
  * build.scm (compile-c-files): Removed "-O" and "-Wall" options;
  use --compiler-options= instead.
  * build.scm: Use open-table! and open-table.
  * build (print-manifest, make-features-txi): Use open-table.
  * build, build.scm: Moved requires to top.
  * compile.scm, hobbit.scm: Added REQUIRE-IFs.
  * hobbit.texi (SLIB Logical Procedures): Removed "logical:"
  aliases.

  * bench.scm (benchmark-prng): Limit to 1000 samples if no bignums.

  * r4rstest.scm (inexact->exact): Added tests.
  (exact->inexact): check for both exact and inexact argument.
  * r4rstest.scm (6 5 5): Added some kawa chokers: #i, #e.
  Added more kawa STRING->NUMBER bait.
  * r4rstest.scm (test-string->number): Implementations which don't
  allow division by 0 can have fragile string->number.

 From  Sam Hocevar
  * r4rstest.scm (test-inexact): SECTION 6.2 checks that
  (not (eqv? 1 1.0)).

 From  Andy Gaynor
  * Makefile (Xlibscm.info, hobbit.info): Fixed / separators.
  * unif.c (make_sh_array): Bracket with ifndef RECKLESS.

 From  Radey Shouman
  * eval.c (m_case): Check on clauses for CASE was
  confused by line-number annotations.

				-=-=-

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.  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 source is available from:
 http://swissnet.ai.mit.edu/ftpdir/scm/scm5d9.zip
 swissnet.ai.mit.edu:/pub/scm/scm5d9.zip
 http://swissnet.ai.mit.edu/ftpdir/scm/scm-5d9-1.src.rpm
 swissnet.ai.mit.edu:/pub/scm/scm-5d9-1.src.rpm
Also available as i386 binary RPM:
 http://swissnet.ai.mit.edu/ftpdir/scm/scm-5d9-1.i386.rpm
 swissnet.ai.mit.edu:/pub/scm/scm-5d9-1.i386.rpm

SLIB is a portable Scheme library which SCM uses:
 http://swissnet.ai.mit.edu/ftpdir/scm/slib3a1.zip
 swissnet.ai.mit.edu:/pub/scm/slib3a1.zip
Also available as RPM:
 http://swissnet.ai.mit.edu/ftpdir/scm/slib-3a1-1.noarch.rpm
 swissnet.ai.mit.edu:/pub/scm/slib-3a1-1.noarch.rpm

JACAL is a symbolic math system written in Scheme:
 http://swissnet.ai.mit.edu/ftpdir/scm/jacal1b4.zip
 swissnet.ai.mit.edu:/pub/scm/jacal1b4.zip

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

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

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

MacSCM is a Macintosh applications building package which works with
SCM (similar to XSCM).
 http://swissnet.ai.mit.edu/ftpdir/scm/macscm.tar.Z
 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.
 http://swissnet.ai.mit.edu/ftpdir/scm/wb1b1.zip
 swissnet.ai.mit.edu:/pub/scm/wb1b1.zip
 http://swissnet.ai.mit.edu/ftpdir/scm/wb-1b1-1.src.rpm
 swissnet.ai.mit.edu:/pub/scm/wb-1b1-1.src.rpm
Also available as i386 binary RPM:
 http://swissnet.ai.mit.edu/ftpdir/scm/wb-1b1-1.i386.rpm
 swissnet.ai.mit.edu:/pub/scm/wb-1b1-1.i386.rpm

SIMSYNCH is a digital logic simulation system written in SCM.
 http://swissnet.ai.mit.edu/ftpdir/scm/synch1b0.zip
 swissnet.ai.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 (282k) is a SCM executable for DOS and MS-Windows.
Note: SCM.EXE still requires slib3a1 and scm5d9 above.
 http://swissnet.ai.mit.edu/ftpdir/scm/scm.exe
 swissnet.ai.mit.edu:/pub/scm/scm.exe

#! implements "#!" (POSIX) shell-scripts for MS-DOS batch files.
 http://swissnet.ai.mit.edu/ftpdir/scm/sharpbang.zip
 swissnet.ai.mit.edu:/pub/scm/sharpbang.zip
 http://swissnet.ai.mit.edu/ftpdir/scm/#!.zip
 swissnet.ai.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.gnu.org:pub/gnu/texinfo/texinfo-4.0.tar.gz
