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RELEASE
135
RELEASE
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@ -9,11 +9,20 @@ release 0.5.3. (Emacs should display this document is in outline mode. Say
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c-h m for instructions on how to move through it by sections (e.g., c-c c-n,
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c-c c-p).)
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This release is the first new release of scsh in over a year. We've been
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using it, and have had no problems. However, we only recommend eager users
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download it. We'll upgrade it to a 0.5.3 release after a week or two, when
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this release has been shaken out.
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PLEASE NOTE:
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We expect to rapidly upgrade this release to 0.5.4 within one or two
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weeks. Please check the web site to see if this release has already
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been superceded before installing.
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This release is primarily to get experience building the new system on a
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wide array of platforms. If you have problems building this release, please
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check comp.lang.scheme.scsh for similar bug reports. If you don't see one
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concerning your system, then please send us a bug report, with a
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description of your system and a build trace. Post your bug report to
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comp.lang.scheme.scsh as well, so others won't flood us with a similar
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bug report.
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That all said, the system works fine for us!
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* Contents
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==========
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@ -39,7 +48,8 @@ Thanks
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* What is scsh
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==============
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Scsh is a broad-spectrum systems-programming environment for Unix embedded
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in R4RS Scheme.
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in R4RS Scheme. It has an open-source copyright, and runs on most major
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Unix systems.
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** Scsh as a scripting language
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-------------------------------
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@ -107,7 +117,6 @@ Unix platforms. We currently have scsh implementations for:
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IRIX
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Linux
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NetBSD
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NeXTStep
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Solaris
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SunOS
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Ultrix
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@ -154,27 +163,19 @@ at MIT.
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Bugs can be reported to
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scsh-bugs@zurich.ai.mit.edu
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If you do not receive the alt netnews hierarchy, or wish to join the mailing
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If you do not netnews hierarchy, or wish to join the mailing
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list for other reasons, send mail to
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scsh-request@zurich.ai.mit.edu
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* The World-Wide What?
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======================
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We even have one of those URL things:
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We even have one of those dot-com cyberweb things:
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http://www-swiss.ai.mit.edu/scsh/
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* New in this release
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=====================
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** Scsh is now "open source."
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We finally got around to tacking an ideologically hip copyright
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onto the source. (Not that we ever cared before what you did with
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the system...) The Scheme 48 authors have also graciously retrofitted
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a BSD-style open-source copyright onto the underlying Scheme 48 0.36
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platform for us. The whole system is now open source, top-to-bottom.
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Take all the code you like; we'll just write more.
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** Scsh is now on Win32
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Scsh will now build and run using Cygwin B20.1. This was only tested
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@ -183,44 +184,19 @@ We even have one of those URL things:
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http://sourceware.cygnus.com/cygwin/
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** CVS repository will be public-readable
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We will add further information to the web-site as soon as possible.
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** New char-sets and char-set operations
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See the manual for more information on using character sets
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for text processing. Also, see the ccp package in scsh/scsh/lib
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for a new library providing character->character partial maps,
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which are also useful for general string processing.
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** New regular expression system
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There's a whole new regexp package in scsh. There's a new,
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s-expression-based notation for regexps, called SRE's. The new
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notation has been integrated into the AWK macro and field-parser functions.
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The older Posix notation is still supported for backwards compatibility.
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There's a whole chapter on regexps in the new manual; it has full details.
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The previous AWK and field-reader system is provided in a
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backwards-compatibility package. See package obsolete-awk-package
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in scsh-package.scm.
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The scsh sources have moved to scsh.sourceforge.net, and the
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the CVS repository is publically readable.
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** New libraries
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The SRFI-1 list library is available, in the list-lib package.
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There is a large, powerful string-processing library available
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in the string-lib package. See the directory scsh/scsh/lib/ for
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documentation and source.
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Scsh now provides the SRFI-1, SRFI-13 and SRFI-14 libraries, giving
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portable support for list, string and character-set operations.
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These libraries make basic list and string hacking very straightforward.
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** Renaming
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We are shifting from a reduce-foo convention to a more standard
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foo-fold convention. This has caused the following renamings:
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reduce-char-set => char-set-fold
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reduce-port => port-fold
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The older names are still bound, but are deprecated and will likely
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go away in a future release.
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String utilities INDEX and RINDEX are gone. Use the string-lib procedures
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instead.
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** Database access via ODBC
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Brian Carlstrom, Sam Thiebault and Olin Shivers have designed and
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implemented a portable interface to relational databases. The code
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back-ends to ODBC drivers for portability.
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** Bugfixes
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Over a year's worth of bug fixes. In particular, the old problems with the
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@ -235,54 +211,25 @@ We would like to thank the members of local-resistance cells for the
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Underground everywhere for bug reports, bug fixes, design review and comments
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that were incorporated into this release. We really appreciate their help,
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particularly in the task of porting scsh to new platforms.
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Alan Bawden
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Jim Blandy
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Per Bothner
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Tom Breton
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Christopher Browne
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Sean Doran
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Ray Dillinger
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Allyn Dimock
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Scott Draves
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Lutz Euler
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Kevin Esler
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Jeremy Fitzhardinge
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Noah Friedman
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Martin Gasbichler
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Andy Gaynor
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Ian Grant
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Eric Hanchrow
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Karl Hegbloom
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Johann Hibschman
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Ian Horswill & the Northwestern Scheme wizards
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Gary Houston
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Graham Hughes
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Jarmo Hurri
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Lars Kellogg-Stedman
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Andre Koehoerst
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Hannu Koivisto
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Shriram Krishnamurthi
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Jakob Lichtenberg
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Eric Marsden
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Peter C. Olsen
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Willliam Pippin
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David Rush
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Michael Schinz
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Manuel Serrano
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Mark Shirle
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Bill Somerfeld
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Mike Sperber
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Harvey J. Stein
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Pawel Turnau
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Rob Warnock
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Kenneth R. Westerback
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Friedrich Dominicus
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Jay Nietling
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Tim Bradshaw
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Robert Brown
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Eric Marsden
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Paul Emsley
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Pawel Turnau
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Hannu Koivisto
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Andy Gaynor
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Francisco Vides Fernandez
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Tim Burgess
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Brian Denheyer
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Harvey Stein
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Eric Hilsdale
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We'd like to thank everyone else for their patience; this release seemed like
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a long time coming.
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Brought to you by the Scheme Underground. Go forth and write elegant systems
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programs.
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-Olin Shivers, Brian Carlstrom & Martin Gasbichler
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Cambridge
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29 September 1999
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-Olin Shivers, Brian Carlstrom, Martin Gasbichler & Mike Sperber
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