PLNews: Programming Language News

SWI-Prolog 5.9.4 has been released. SWI-Prolog is a portable, open source Prolog implementation.

This release includes: documentation updates, improved support for aborting computations, bug fixes, and other changes.

Logtalk 2.38.0 has been released. Logtalk is an object-oriented extension to Prolog.

This release includes: support for lambda expressions, support for object and category multifile predicates and grammar rules, improved compiler error and warning reporting, backend Prolog compiler compatibility updates, improved installation support, new examples, library improvements, performance improvements, bug fixes, and other changes.

SWI-Prolog 5.8.2 has been released. SWI-Prolog is a portable, open source Prolog implementation.

This release includes: Windows installer fixes, the addition of library(csv) for working with CSV data, and bug fixes.

SWI-Prolog 5.9.3 has been released. SWI-Prolog is a portable, open source Prolog implementation.

This release includes: improvements to the Windows installer, cleanups relating to the shutting down of the system, bug fixes, and other changes.

SWI-Prolog 5.9.1 has been released. SWI-Prolog is a portable, open source Prolog implementation.

This release includes: new memory management support, improved support for threads, and other changes.

Logtalk 2.37.5 has been released. Logtalk is an object-oriented extension to Prolog.

This release includes: the replacement of all calls to the call_cleanup/2 built-in predicate with calls to setup_call_cleanup/3, improved performance of retractall/1 and retract/1, the installation updates, documentation updates, the addition of a "multifile" example program, updates to the "securemp" example, bug fixes, and other changes.

SWI-Prolog 5.8.0 has been released. SWI-Prolog is a portable, open source Prolog implementation.

SWI-Prolog 5.7.14 has been released. SWI-Prolog is a portable, open source Prolog implementation.

This release includes: changes to clp(fd), changes to the HTTP infrastructure, and other changes.

SWI-Prolog 5.7.13 has been released. SWI-Prolog is a portable, open source Prolog implementation.

This release includes changes to avoid global operators breaking library code and the development system.

SWI-Prolog 5.7.12 has been released. SWI-Prolog is a portable, open source Prolog implementation.

This release includes: the addition of Library(portray_text), ISO-compliant initialization/1, library(record) enhancements, the addition of bitwise XOR as ><, the addition of alarm_at/4, build changes, bug fixes, and other changes.

It has been announced that the next FringeDC meeting will be held on July 25, 2009. FringeDC is a group for people in the Washington, D.C. area who are interested in non-mainstream programming languages, including Lisp, Scheme, Haskell, Prolog and Smalltalk.

Conrad Barski will be giving an introduction to Prolog.

SWI-Prolog 5.7.11 has been released. SWI-Prolog is a portable, open source Prolog implementation.

This release includes: library updates, bug fixes, and other changes.

SWI-Prolog 5.7.10 has been released. SWI-Prolog is a portable, open source Prolog implementation.

This release includes: clp(fd) enhancements, various cleanups, bug fixes, and other changes.

Logtalk 2.36.0 has been released. Logtalk is an object-oriented extension to Prolog.

This release includes: support for settings files, improved compiler error and warning reporting, improved integration with SWI-Prolog, compatibility fixes, new object and category properties, new compiler flags, documentation improvements, bug fixes, and other changes.

SWI-Prolog 5.7.8 has been released. SWI-Prolog is a portable, open source Prolog implementation.

This release includes: the renaming of concat_atom/2,3 to atomic_list_concat/2,3, the addition of atomic_concat/3, the random function based on GMP, the addition of set_random/1, bug fixes, and other changes.

Logtalk 2.35.1 has been released. Logtalk is an object-oriented extension to Prolog.

This release includes: improved support for using module meta-predicates and explicit module qualified calls in object and category predicates, updated Prolog compiler configuration files, improved support for GNU Prolog, improved object proxy support, improved compilation reports, bug fixes, and other changes.

SWI-Prolog 5.7.7 has been released. SWI-Prolog is a portable, open source Prolog implementation.

This release includes: bug fixes and other improvements.

SWI-Prolog 5.7.6 has been released. SWI-Prolog is a portable, open source Prolog implementation.

This release includes: a library for TIPC support, memory leak fixes, documentation updates, bug fixes, and other changes.

SWI-Prolog 5.7.5 has been released. SWI-Prolog is a portable, open source Prolog implementation.

This release includes: enhancements to the wiki formatter of PlDoc, fixes to the new meta-predicate handling, greater usage of :- meta_predicate in the libraries, bug fixes, and other changes.

SWI-Prolog 5.6.64 has been released. SWI-Prolog is a portable, open source Prolog implementation.

This release includes: the addition of library(charsio), bug fixes, and other changes.

Logtalk 2.35.0 has been released. Logtalk is an object-oriented extension to Prolog.

This release includes: improved generation of intermediate Prolog files, improved caching of message sending predicate lookups, improved caching of ^^/1 calls, simplified compilation of meta-predicates, multi-threading performance improvements, support for multiple source-level and entity-level initialization/1 directives, bug fixes, and other changes.

SWI-Prolog 5.7.4 has been released. SWI-Prolog is a portable, open source Prolog implementation.

This release includes: internal code reorganization, performance improvements, better detection and reporting of undefined predicates, bug fixes, documentation updates, and other changes.

Logtalk 2.34.1 has been released. Logtalk is an object-oriented extension to Prolog.

This release includes: support for using the ^^/1 control construct to call any inherited predicate, improved error detection and reporting, updates to the 'testing' example, bug fixes, and other changes.

Logtalk 2.34.0 has been released. Logtalk is an object-oriented extension to Prolog.

This release includes: conditional compilation support, the addition of the expand_goal/2 built-in method, simplification of the implementation of the threaded/1 built-in predicate, new predicates, new examples, bug fixes, and other changes.

Logtalk 2.33.2 has been released. Logtalk is an object-oriented extension to Prolog.

This release includes: support for the set_logtalk_flag/2 directive, improved reporting of line numbers for syntax warnings and errors for the YAP and SWI-Prolog backends, a more flexible internal representation of entity properties, new optimizations, documentation updates, bug fixes, and other changes.