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Logtalk 3.x development version
Logtalk Prolog HTML Common Lisp Shell Inno Setup Other
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README.md


This file is part of Logtalk http://logtalk.org/
Copyright (c) 1998-2015 Paulo Moura pmoura@logtalk.org

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

Additional licensing terms apply per Section 7 of the GNU General Public License 3. Consult the LICENSE.txt file for details.


README

  1. About
  2. Logtalk web site
  3. Registration
  4. Support
  5. Installation
  6. Customization
  7. Running
  8. Documentation
  9. Upgrading
  10. Citations
  11. Contributions
  12. Legal

1. ABOUT

Logtalk is an object-oriented logic programming language that extends and leverages the Prolog language with a feature set suitable for programming in the large. As a multi-paradigm language, it includes support for both prototypes and classes, protocols (interfaces), component-based programming through category-based composition, event-driven programming, coinduction, and high-level multi-threading programming. Logtalk uses standard Prolog syntax with the addition of some operators and directives and can be used with any Prolog implementation compliant with official and de facto standards as the back-end compiler.

2. LOGTALK WEB SITE

The latest release of the Logtalk is always available at the URL:

http://logtalk.org/

At this address you can also find additional documentation and information about Logtalk.

3. REGISTRATION

To register as a Logtalk user either use the registration form found at the Logtalk web site:

http://logtalk.org/regform.html

or send an email message to:

registration@logtalk.org

with the following information:

email address, first and last name, organization, organization type (education, commercial, government, ...), Prolog compilers you use (optional), platforms (mac, pc, unix,...) (optional), projects where you intend to use Logtalk (optional)

4. SUPPORT

For support options, please consult the web page:

http://logtalk.org/support.html

5. INSTALLATION

Logtalk can be installed either from sources by running a few shell scripts or by using one of the provided installers, depending on your operating system. For manual installation, see the INSTALL.md file for detailed instructions.

See the user manual for a description of the source files organization and for using instructions (to read the user manual open the index file in a web browser). Most files are formatted using tabs (the recommended setting is a tab width equivalent to 4 spaces).

6. CUSTOMIZATION

The CUSTOMIZE.md file provides detailed instructions for customizing the Logtalk installation and working environment.

7. RUNNING

The QUICK_START.md file provides quick instructions for those of you in a hurry to run Logtalk, provided that your favorite Prolog compiler is supported and installed.

8. DOCUMENTATION

The reference and user manuals and the tutorial are provided in XHTML and PDF formats and can be found in the manuals directory.

The RELEASE_NOTES.md file contains descriptions of all Logtalk updates since the first public version. Read it carefully if you have been using a previous Logtalk version.

The documentation for the core, library, tools, and contributions entities is provided in XHTML format and can be found in the docs directory.

Most directories include NOTES.md documenting files, which can be viewed as plain text in any text editor but also nicely rendered as Markdown files (for e.g. easy conversion to HTML).

On POSIX systems, there's also a man page for each shell script. A list of all the scripts can be generated using the apropos logtalk command.

9. UPGRADING

If you are upgrading from a previous Logtalk version, please check the UPGRADING.md file for instructions on how to upgrade your programs or your custom adapter files to run under this new version.

10. CITATIONS

If you find Logtalk useful, please include a citation on your publications. Consult the BIBLIOGRAPHY.bib file for bibliographic references in BibTeX format (the Logtalk technical report published on 2000 and the 2003 PhD thesis on Logtalk are good choices).

11. CONTRIBUTIONS

Contributions, constructive criticism, patches, bug reports, and suggestions are always welcome. However, major code contributions to core files, such as the compiler, runtime, adapter files, library files, or tools can only be accepted with a transfer of copyright or if the submitted code is explicitly declared as public domain code. This simplifies the selling of commercial licenses, which provide a revenue source for the sustained development of Logtalk.

12. LEGAL

Logtalk is copyrighted by Paulo Moura. The Logtalk use and distribution license can be found in the LICENSE.txt file. Logtalk is available under the GNU General Public License 3 with a linking exception. The copyright notice and license applies to all files in this release unless otherwise explicitly stated.

Some files that are part of the Logtalk distribution are distributed using a different license and/or are copyrighted by a Logtalk contributor.

Some of the included examples are adaptations to Logtalk of Prolog examples found elsewhere (e.g. in manuals, tutorials, books, and public mailing list discussions). The copyright in the examples original code should be assumed to belong to the original authors.

Logtalk is a registered trademark of Paulo Moura.

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