* Haskell B. and LML version 0.998.1 *
        * now available from Chalmers        *

The time has come for yet another version of the Haskell
compiler hbc and for lmlc.  Read the blurb below if you want 
to know more.

        -- Lennart Augustsson


                New Haskell B./LML release (0.998.1)

There is now a new version of the Haskell B./LML compiler available.
It is, naturally, free of charge.  The best way (both for us and for
you) to get a copy is via anonumous ftp from
  animal.cs.chalmers.se ( in pub/haskell/chalmers/lml-0.998.1.*.tar.Z
Make a suitable directory, get the file(s) (with binary ftp), 
do 'uncompress < file | tar xf -', and follow the instructions in README.

        lml-0.998.1.doc.tar.Z           documentation and examples
        lml-0.998.1.con.tar.Z           contributed software
        lml-0.998.1.bin-sun3.tar.Z      binaries for SUN3
        lml-0.998.1.bin-sun4.tar.Z      binaries for SUN4
        lml-0.998.1.bin-mips.tar.Z      binaries for DECstations
        lml-0.998.1.bin-symmetry.tar.Z  binaries for Sequent Symmetry
        lml-0.998.1.src.tar.Z           source for the compiler
(These files should be unpacked in the same directory.)

The whole distribution takes a lot of space, but you only need to get the
binaries for the machines you are interested in.  You don't have to
get the source if you don't want.

The Haskell system consists of a batch compiler, hbc, and an 
interactive system, hbi.  The compiler handles full Haskell 1.2
as defined in the report (published recently in SIGPLAN Notices).
Hbc also has some extensions that are off by default.
The interactive system can load code compiled with the batch
compiler to get better speed.

What's new in this release?
 - Lots of bug fixes.
 - Lots of small improvements.
 - Profiling of heap usage.
 - Experimental implementation of existential types (a la Odersky).
 - Much, much better Integer (bignum) performance.
 - The interactive system works on DECstations.
 - Easier(?) installation.
 - Several new experimental garbage collectors.

The compiler runs on a number of machines, but only under UNIX (so
far).  The machines and OS on which this distribution runs are

        SUN3                    SunOS 4.1.2
        Sequent Symmetry        Dynix 3.1.4
        DECstation 3100         Ultrix 4.2
        SUN4                    SunOs 4.1.2

The following machines were once supported and could be made to work
with some effort.
        Sequent Balance         (this version has not been used for a
                                while, but probably works)
        CRAY XMP                Unicos
        IBM RT/PC               BSD 4.3
        VAX                     BSD 4.3

The distribution contains binaries and source (in LML) for the
compiler and some contributed programs, as well as some documentation.

If you have any problems send us mail to [EMAIL PROTECTED]

        Lennart Augustsson              Thomas Johnsson


        Department of Computer Sciences
        Chalmers University of Technology
        S-412 96 Gothenburg

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