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diff --git a/Master/texmf-dist/doc/latex/arabtex/lppl.txt b/Master/texmf-dist/doc/latex/arabtex/lppl.txt new file mode 100644 index 00000000000..5b05fe86893 --- /dev/null +++ b/Master/texmf-dist/doc/latex/arabtex/lppl.txt @@ -0,0 +1,318 @@ + +The LaTeX Project Public License +=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- + +LPPL Version 1.2 1999-09-03 + +Copyright 1999 LaTeX3 Project + Everyone is allowed to distribute verbatim copies of this + license document, but modification of it is not allowed. + + +PREAMBLE +======== + +The LaTeX Project Public License (LPPL) is the license under which the +base LaTeX distribution is distributed. + +You may use this license for any program that you have written and wish +to distribute. This license may be particularly suitable if your +program is TeX-related (such as a LaTeX package), but you may use it +even if your program is unrelated to TeX. The section `WHETHER AND HOW +TO DISTRIBUTE PROGRAMS UNDER THIS LICENSE', below, gives instructions, +examples, and recommendations for authors who are considering +distributing their programs under this license. + +In this license document, `The Program' refers to any program +distributed under this license. + +This license gives conditions under which The Program may be distributed +and conditions under which modified versions of The Program may be +distributed. Individual files of The Program may bear supplementary +and/or superseding conditions on modification of themselves and on the +distribution of modified versions of themselves, but *no* file of The +Program may bear supplementary or superseding conditions on the +distribution of an unmodified copy of the file. A distributor wishing +to distribute a complete, unmodified copy of The Program therefore +needs to check the conditions only in this license and nowhere else. + +Activities other than distribution and/or modification of The Program +are not covered by this license; they are outside its scope. In +particular, the act of running The Program is not restricted. + +We, the LaTeX3 Project, believe that the conditions below give you +the freedom to make and distribute modified versions of The Program +that conform with whatever technical specifications you wish while +maintaining the availability, integrity, and reliability of +The Program. If you do not see how to achieve your goal while +meeting these conditions, then read the document `cfgguide.tex' +in the base LaTeX distribution for suggestions. + + +CONDITIONS ON DISTRIBUTION AND MODIFICATION +=========================================== + +You may distribute a complete, unmodified copy of The Program. +Distribution of only part of The Program is not allowed. + +You may not modify in any way a file of The Program that bears a legal +notice forbidding modification of that file. + +You may distribute a modified file of The Program if, and only if, the +following eight conditions are met: + + 1. You must meet any additional conditions borne by the file on the + distribution of a modified version of the file as described below + in the subsection `Additional Conditions on Individual Files of + The Program'. + + 2. If the file is a LaTeX software file, then you must meet any + applicable additional conditions on the distribution of a modified + version of the file that are described below in the subsection + `Additional Conditions on LaTeX Software Files'. + + 3. You must not distribute the modified file with the filename of the + original file. + + 4. In the modified file, you must acknowledge the authorship and + name of the original file, and the name (if any) of the program + which contains it. + + 5. You must change any identification string in the file to indicate + clearly that the modified file is not part of The Program. + + 6. You must change any addresses in the modified file for the + reporting of errors in the file or in The Program generally to + ensure that reports for files no longer maintained by the original + maintainers will be directed to the maintainers of the modified + files. + + 7. You must distribute the modified file under a license that forbids + distribution both of the modified file and of any files derived + from the modified file with the filename of the original file. + + 8. You must do either (A) or (B): + + (A) distribute a copy of The Program (that is, a complete, + unmodified copy of The Program) together with the modified + file; if your distribution of the modified file is made by + offering access to copy the modified file from a designated + place, then offering equivalent access to copy The Program + from the same place meets this condition, even though third + parties are not compelled to copy The Program along with the + modified file; + + (B) provide to those who receive the modified file information + that is sufficient for them to obtain a copy of The Program; + for example, you may provide a Uniform Resource Locator (URL) + for a site that you expect will provide them with a copy of + The Program free of charge (either the version from which + your modification is derived, or perhaps a later version). + +Note that in the above, `distribution' of a file means making the +file available to others by any means. This includes, for instance, +installing the file on any machine in such a way that the file is +accessible by users other than yourself. `Modification' of a file +means any procedure that produces a derivative file under any +applicable law -- that is, a file containing the original file or +a significant portion of it, either verbatim or with modifications +and/or translated into another language. + +Changing the name of a file (other than as necessitated by the file +conventions of the target file systems) is considered to be a +modification of the file. + +The distribution conditions in this license do not have to be +applied to files that have been modified in accordance with the +above conditions. Note, however, that Condition 7. does apply to +any such modified file. + +The conditions above are not intended to prohibit, and hence do not +apply to, the updating, by any method, of a file so that it becomes +identical to the latest version of that file of The Program. + + + +A Recommendation on Modification Without Distribution +----------------------------------------------------- + +It is wise never to modify a file of The Program, even for your own +personal use, without also meeting the above eight conditions for +distributing the modified file. While you might intend that such +modified files will never be distributed, often this will happen by +accident -- you may forget that you have modified the file; or it may +not occur to you when allowing others to access the modified file +that you are thus distributing it and violating the conditions of +this license. It is usually in your best interest to keep your copy +of The Program identical with the public one. Many programs provide +ways to control the behavior of that program without altering its +licensed files. + + +Additional Conditions on Individual Files of The Program +-------------------------------------------------------- + +An individual file of The Program may bear additional conditions that +supplement and/or supersede the conditions in this license if, and only +if, such additional conditions exclusively concern modification of the +file or distribution of a modified version of the file. The conditions +on individual files of The Program therefore may differ only with +respect to the kind and extent of modification of those files that +is allowed, and with respect to the distribution of modified versions +of those files. + + +Additional Conditions on LaTeX Software Files +--------------------------------------------- + +If a file of The Program is intended to be used with LaTeX (that is, +if it is a LaTeX software file), then the following additional +conditions, which supplement and/or supersede the conditions +above, apply to the file according to its filename extension: + + - You may not modify any file with filename extension `.ins' since + these are installation files containing the legal notices that are + placed in the files they generate. + + - You may distribute modified versions of files with filename + extension `.fd' (LaTeX font definition files) under the standard + conditions of the LPPL as described above. You may also distribute + such modified LaTeX font definition files with their original names + provided that: + (1) the only changes to the original files either enable use of + available fonts or prevent attempts to access unavailable fonts; + (2) you also distribute the original, unmodified files (TeX input + paths can be used to control which set of LaTeX font definition + files is actually used by TeX). + + - You may distribute modified versions of files with filename + extension `.cfg' (configuration files) with their original names. + The Program may (and usually will) specify the range of commands + that are allowed in a particular configuration file. + +Because of portability and exchangeability issues in LaTeX software, +The LaTeX3 Project deprecates the distribution of modified versions of +components of LaTeX or of generally available contributed code for them, +but such distribution can meet the conditions of this license. + + +NO WARRANTY +=========== + +There is no warranty for The Program. Except when otherwise stated in +writing, The Copyright Holder provides The Program `as is', without +warranty of any kind, either expressed or implied, including, but not +limited to, the implied warranties of merchantability and fitness for +a particular purpose. The entire risk as to the quality and performance +of The Program is with you. Should The Program prove defective, you +assume the cost of all necessary servicing, repair, or correction. + +In no event unless agreed to in writing will The Copyright Holder, or +any author named in the files of The Program, or any other party who may +distribute and/or modify The Program as permitted above, be liable to +you for damages, including any general, special, incidental or +consequential damages arising out of any use of The Program or out of +inability to use The Program (including, but not limited to, loss of +data, data being rendered inaccurate, or losses sustained by anyone as +a result of any failure of The Program to operate with any other +programs), even if The Copyright Holder or said author or said other +party has been advised of the possibility of such damages. + + +WHETHER AND HOW TO DISTRIBUTE PROGRAMS UNDER THIS LICENSE +========================================================= + +This section contains important instructions, examples, and +recommendations for authors who are considering distributing their +programs under this license. These authors are addressed as `you' in +this section. + + +Choosing This License or Another License +---------------------------------------- + +If for any part of your program you want or need to use *distribution* +conditions that differ from those in this license, then do not refer to +this license anywhere in your program but instead distribute your +program under a different license. You may use the text of this license +as a model for your own license, but your license should not refer to +the LPPL or otherwise give the impression that your program is +distributed under the LPPL. + +The document `modguide.tex' in the base LaTeX distribution explains +the motivation behind the conditions of this license. It explains, +for example, why distributing LaTeX under the GNU General Public +License (GPL) was considered inappropriate. Even if your program is +unrelated to LaTeX, the discussion in `modguide.tex' may still be +relevant, and authors intending to distribute their programs under any +license are encouraged to read it. + + +How to Use This License +----------------------- + +To use this license, place in each of the files of your program both +an explicit copyright notice including your name and the year and also +a statement that the distribution and/or modification of the file is +constrained by the conditions in this license. + +Here is an example of such a notice and statement: + + %% pig.dtx + %% Copyright 2001 M. Y. Name + % + % This program may be distributed and/or modified under the + % conditions of the LaTeX Project Public License, either version 1.2 + % of this license or (at your option) any later version. + % The latest version of this license is in + % http://www.latex-project.org/lppl.txt + % and version 1.2 or later is part of all distributions of LaTeX + % version 1999/12/01 or later. + % + % This program consists of the files pig.dtx and pig.ins + +Given such a notice and statement in a file, the conditions given in +this license document would apply, with `The Program' referring to the +two files `pig.dtx' and `pig.ins', and `The Copyright Holder' referring +to the person `M. Y. Name'. + + +Important Recommendations +------------------------- + + Defining What Constitutes The Program + + The LPPL requires that distributions of The Program contain all the + files of The Program. It is therefore important that you provide a + way for the licensee to determine which files constitute The Program. + This could, for example, be achieved by explicitly listing all the + files of The Program near the copyright notice of each file or by + using a line like + + % This program consists of all files listed in manifest.txt. + + in that place. In the absence of an unequivocal list it might be + impossible for the licensee to determine what is considered by you + to comprise The Program. + + Noting Exceptional Files + + If The Program contains any files bearing additional conditions on + modification, or on distribution of modified versions, of those + files (other than those listed in `Additional Conditions on LaTeX + Software Files'), then it is recommended that The Program contain a + prominent file that defines the exceptional conditions, and either + lists the exceptional files or defines one or more categories of + exceptional files. + + Files containing the text of a license (such as this file) are + often examples of files bearing more restrictive conditions on + modification. LaTeX configuration files (with filename extension + `.cfg') are examples of files bearing less restrictive conditions + on the distribution of a modified version of the file. The + additional conditions on LaTeX software given above are examples + of declaring a category of files bearing exceptional additional + conditions. + + + |