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1994-07-10
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SWI-Prolog ChangeLog
====================
Version 1.9.0. Incorporation of various ports: md-netbsd.h, md-mswin.h
and md-msdos.h. There is a binary distribution for Windows in
win-pl.tgz of the main ftp server (swi.psy.uva.nl). The DOS and Windows
versions are created using the WATCOM-C/32 toolkit.
=======================================================================
Version 1.8.12. Fixed tracer option `f' (fail) used on the exit port of
a goal. Thanks to Thomas Hoppe.
Version 1.8.8. Fix in the parser to avoid some bad syntax-error
messages. Also fixed spurious crashes trying to read bad-syntax-terms
of the form ?- atom,.
New in the quintus.pl library: initialization/1, random/3, numbervars/3
and absolute_file_name/3.
Version 1.8.7 includes the catch/throw-like control structures
block(+Label, +Goal, -Rval), fail(+Label), exit(+Label, +Rval) and
!(+Label). Also new is explain(+Anything) which will try to tell you a
lot of what the system knows about the term you entered. Additions and
suggesions are welcome. Also new: library(bim): A partial Prolog-by-BIM
(tm) compatibility package by Henk Vandecasteele. Thanks.
Further fixes:
* Bug in detecting stack-overflow for the PC/linux version.
* Handling of SWI_HOME_DIR (fixes installation problem for
XPCE/SWI-Prolog).
* atom_length/2: give warning (instead of crash) on invalid
data-type (e.g. unbound, term).
* nth_clause/3: Removed errornous warning when cut-off and
fixed returning 0-reference for defined predicates without
clauses.
Version 1.8.6 defines phrase/[2,3] for accessing grammar rules and fixes
name/2 for numbers outside the integer range (yielding a float). A
predicate nth_clause/3 is added to provide access to specific clauses of
predicates. xmalloc(), xrealloc() are added to fix some problems when
linking with gnu-libraries.
Version 1.8.5 contains a few fixes for the SunOs-4/gcc-2.5 combination.
DONOT USE GCC-2.5.[123] as the optimiser appears broken. gcc-2.5.4 is
ok again.
Version 1.8.4 fixes =@=/2, contains a more logical form of arg/3, fixes
passing empty-string arguments from the Prolog command-line and fixes
some things for old non-ansi compilers. There are some extensions to
the quintus.pl compatibility library.
Version 1.8.3 Fixes some more readline problems having to do with
running SWI-Prolog as an inferior process under EMACS.
Version 1.8.2 fixes some serious problems in the tracer intoduced by
more global changes in 1.8.0.
Version 1.8.1 fixes load_foreign for both SunOs 4.1.3 and PC/Linux.
Extensive use of the stat(2) system call is reduced with some changes to
the file administration. This speeds up loading many small files by an
incredible amount, notably when reading over a (slow) network.
The manual is regenerated. There are not many changes, but the
PostScript files in these archives are totally different as we upgrated
LaTeX and dvips. Therefore the patch file **diff-1.8.0-1.8.1** does
*not* include the patches to the PostScript manual.
Version 1.8.0 includes a stack shifter, enabling dynamic stacks for
machines that do not offer hardware support by providing suitable access
to the virtual memory management. Fixed a bug in concat/3.
expand_file/2 is now sensitive to fileerrors/2 while expanding $var or
~user. More bugfixes to the readline interface. Manual page
contributed by Dave Sherrat. RS6000 port no longer uses -lbsd and
compiles on gcc.
================================================================
Version 1.7.2 should compile on Solaris 2.2 using gcc 2.4.5. It fixes
the usual couple of portability problems, the terminal interface when
connected to the XPCE graphics library. It ads line_count to
predicate_property to support a future graphical debugging tool.
Version 1.7.1 fixes a very serious memory allocation violation in the
connection to the readline library. Make sure to update from 1.7.0!
Version 1.7.0 contains a version linked with the GNU readline library
for bash/tcsh compatible line editing. The library readline is
distributed separately and must be installed before installing prolog.
The file readline-1.1.tar.gz contains the unmodified GNU sources.
librl-1.1.tar.z contains the binaries for PC/Linux.
================================================================
Version 1.6.18 contains a fix to load_foreign/[2,5] for PC/Linux.
[Version 1.6.17 has been reinstalled at Jun 1 23:16 with two prototype
fixes and a fix to save_program/1 necessary for the RS6000.]
Version 1.6.17 fixes some minor installation problems reported for
1.6.16. The online manual has been updated for trace/[1,2]. Callback
of undefined Prolog-predicates from C now correctly trap the autoloader.
Analysis of the PATH variable to find the Prolog executable has been
fixed. Nothing serious if you have a running system!
Version 1.6.16 integrates port to 386 System-V Unix made by Eric S.
Raymond (esr@snark.thyrsus.com), who also ported the shell scripts to
use sh rather than csh. The new predicates trace/1 and trace/2 allow
for tracing individual predicates non-interactively.
Version 1.6.15 eliminates some compiler limits, fixes a bug in
trail-stacks management and provides a much better port for PC/Linux.
Requires Linux kernel 99pl7 or later.
Version 1.6.14 provides 8 bit character support. All characters in the
range 128 ... 255 are treated as lowercase letters. op/3 is fixed to
actually delete operators when priority 0 is specified.
Version 1.6.13 implements standard order compatible to Quintus and
contains a fix of the module system which broke the Quintus.pl
replacement of retractall/1.
Version 1.6.12 is te result of integrating ports to LINUX, OS/2 and
HP/UX with the main-stream (SunOs).