The LaTeX Project Public License
        =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
         LPPL Version 1.2 1999-09-03
      +8T"H:'
      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:
        &$ENP8*MC88a'k
            You must meet any additional conditions borne by the file on the distribution of a modified
               version of the file as described below in the subsection `Additional Conditions on
               Individual Files of The Program'.
          ;=C}
            If the file is a LaTeX software file, then you must meet any applicable additional conditions
               on the distribution of a modified version of the file that are described below in the
               subsection `Additional Conditions on LaTeX Software Files'.
          {3)Q\e%qn
            You must not distribute the modified file with the filename of the original file.
          |g;8Z1r9~wf
            In the modified file, you must acknowledge the authorship and name of the original file, and
               the name (if any) of the program which contains it.
          I	xu|5%1Le0Pp}hkf?!|
            You must change any identification string in the file to indicate clearly that the modified
               file is not part of The Program.
          >KC$
            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.
          .K8"7bMxL,n]jBk
            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.
          QHP8!? dzAW@#54e<@U
            You must do either (A) or (B):
          T	9T!Dq^tDlqWM<Ht
              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;
               oT?+]sC[H1b\q4
              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:
        2w*gVElc8@k
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            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.
          9t_b.q}
            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:
          5~\k{x7,o52u!
              the only changes to the original files either enable use of available fonts or prevent
                 attempts to access unavailable fonts;
               
              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).
          pyDsCs
            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:
       B	?:
         Copyright f
        %
        % 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 3|vQZ{
      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.