gentoo-x86/licenses/LPPL-1.2


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.


1
2	The LaTeX Project Public License
3	=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
4
5	LPPL Version 1.2 1999-09-03
6
7	Copyright 1999 LaTeX3 Project
8	Everyone is allowed to distribute verbatim copies of this
9	license document, but modification of it is not allowed.
10
11
12	PREAMBLE
13	========
14
15	The LaTeX Project Public License (LPPL) is the license under which the
16	base LaTeX distribution is distributed.
17
18	You may use this license for any program that you have written and wish
19	to distribute. This license may be particularly suitable if your
20	program is TeX-related (such as a LaTeX package), but you may use it
21	even if your program is unrelated to TeX. The section `WHETHER AND HOW
22	TO DISTRIBUTE PROGRAMS UNDER THIS LICENSE', below, gives instructions,
23	examples, and recommendations for authors who are considering
24	distributing their programs under this license.
25
26	In this license document, `The Program' refers to any program
27	distributed under this license.
28
29	This license gives conditions under which The Program may be distributed
30	and conditions under which modified versions of The Program may be
31	distributed. Individual files of The Program may bear supplementary
32	and/or superseding conditions on modification of themselves and on the
33	distribution of modified versions of themselves, but no file of The
34	Program may bear supplementary or superseding conditions on the
35	distribution of an unmodified copy of the file. A distributor wishing
36	to distribute a complete, unmodified copy of The Program therefore
37	needs to check the conditions only in this license and nowhere else.
38
39	Activities other than distribution and/or modification of The Program
40	are not covered by this license; they are outside its scope. In
41	particular, the act of running The Program is not restricted.
42
43	We, the LaTeX3 Project, believe that the conditions below give you
44	the freedom to make and distribute modified versions of The Program
45	that conform with whatever technical specifications you wish while
46	maintaining the availability, integrity, and reliability of
47	The Program. If you do not see how to achieve your goal while
48	meeting these conditions, then read the document `cfgguide.tex'
49	in the base LaTeX distribution for suggestions.
50
51
52	CONDITIONS ON DISTRIBUTION AND MODIFICATION
53	===========================================
54
55	You may distribute a complete, unmodified copy of The Program.
56	Distribution of only part of The Program is not allowed.
57
58	You may not modify in any way a file of The Program that bears a legal
59	notice forbidding modification of that file.
60
61	You may distribute a modified file of The Program if, and only if, the
62	following eight conditions are met:
63
64	1. You must meet any additional conditions borne by the file on the
65	distribution of a modified version of the file as described below
66	in the subsection `Additional Conditions on Individual Files of
67	The Program'.
68
69	2. If the file is a LaTeX software file, then you must meet any
70	applicable additional conditions on the distribution of a modified
71	version of the file that are described below in the subsection
72	`Additional Conditions on LaTeX Software Files'.
73
74	3. You must not distribute the modified file with the filename of the
75	original file.
76
77	4. In the modified file, you must acknowledge the authorship and
78	name of the original file, and the name (if any) of the program
79	which contains it.
80
81	5. You must change any identification string in the file to indicate
82	clearly that the modified file is not part of The Program.
83
84	6. You must change any addresses in the modified file for the
85	reporting of errors in the file or in The Program generally to
86	ensure that reports for files no longer maintained by the original
87	maintainers will be directed to the maintainers of the modified
88	files.
89
90	7. You must distribute the modified file under a license that forbids
91	distribution both of the modified file and of any files derived
92	from the modified file with the filename of the original file.
93
94	8. You must do either (A) or (B):
95
96	(A) distribute a copy of The Program (that is, a complete,
97	unmodified copy of The Program) together with the modified
98	file; if your distribution of the modified file is made by
99	offering access to copy the modified file from a designated
100	place, then offering equivalent access to copy The Program
101	from the same place meets this condition, even though third
102	parties are not compelled to copy The Program along with the
103	modified file;
104
105	(B) provide to those who receive the modified file information
106	that is sufficient for them to obtain a copy of The Program;
107	for example, you may provide a Uniform Resource Locator (URL)
108	for a site that you expect will provide them with a copy of
109	The Program free of charge (either the version from which
110	your modification is derived, or perhaps a later version).
111
112	Note that in the above, `distribution' of a file means making the
113	file available to others by any means. This includes, for instance,
114	installing the file on any machine in such a way that the file is
115	accessible by users other than yourself. `Modification' of a file
116	means any procedure that produces a derivative file under any
117	applicable law -- that is, a file containing the original file or
118	a significant portion of it, either verbatim or with modifications
119	and/or translated into another language.
120
121	Changing the name of a file (other than as necessitated by the file
122	conventions of the target file systems) is considered to be a
123	modification of the file.
124
125	The distribution conditions in this license do not have to be
126	applied to files that have been modified in accordance with the
127	above conditions. Note, however, that Condition 7. does apply to
128	any such modified file.
129
130	The conditions above are not intended to prohibit, and hence do not
131	apply to, the updating, by any method, of a file so that it becomes
132	identical to the latest version of that file of The Program.
133
134
135
136	A Recommendation on Modification Without Distribution
137	-----------------------------------------------------
138
139	It is wise never to modify a file of The Program, even for your own
140	personal use, without also meeting the above eight conditions for
141	distributing the modified file. While you might intend that such
142	modified files will never be distributed, often this will happen by
143	accident -- you may forget that you have modified the file; or it may
144	not occur to you when allowing others to access the modified file
145	that you are thus distributing it and violating the conditions of
146	this license. It is usually in your best interest to keep your copy
147	of The Program identical with the public one. Many programs provide
148	ways to control the behavior of that program without altering its
149	licensed files.
150
151
152	Additional Conditions on Individual Files of The Program
153	--------------------------------------------------------
154
155	An individual file of The Program may bear additional conditions that
156	supplement and/or supersede the conditions in this license if, and only
157	if, such additional conditions exclusively concern modification of the
158	file or distribution of a modified version of the file. The conditions
159	on individual files of The Program therefore may differ only with
160	respect to the kind and extent of modification of those files that
161	is allowed, and with respect to the distribution of modified versions
162	of those files.
163
164
165	Additional Conditions on LaTeX Software Files
166	---------------------------------------------
167
168	If a file of The Program is intended to be used with LaTeX (that is,
169	if it is a LaTeX software file), then the following additional
170	conditions, which supplement and/or supersede the conditions
171	above, apply to the file according to its filename extension:
172
173	- You may not modify any file with filename extension `.ins' since
174	these are installation files containing the legal notices that are
175	placed in the files they generate.
176
177	- You may distribute modified versions of files with filename
178	extension `.fd' (LaTeX font definition files) under the standard
179	conditions of the LPPL as described above. You may also distribute
180	such modified LaTeX font definition files with their original names
181	provided that:
182	(1) the only changes to the original files either enable use of
183	available fonts or prevent attempts to access unavailable fonts;
184	(2) you also distribute the original, unmodified files (TeX input
185	paths can be used to control which set of LaTeX font definition
186	files is actually used by TeX).
187
188	- You may distribute modified versions of files with filename
189	extension `.cfg' (configuration files) with their original names.
190	The Program may (and usually will) specify the range of commands
191	that are allowed in a particular configuration file.
192
193	Because of portability and exchangeability issues in LaTeX software,
194	The LaTeX3 Project deprecates the distribution of modified versions of
195	components of LaTeX or of generally available contributed code for them,
196	but such distribution can meet the conditions of this license.
197
198
199	NO WARRANTY
200	===========
201
202	There is no warranty for The Program. Except when otherwise stated in
203	writing, The Copyright Holder provides The Program `as is', without
204	warranty of any kind, either expressed or implied, including, but not
205	limited to, the implied warranties of merchantability and fitness for
206	a particular purpose. The entire risk as to the quality and performance
207	of The Program is with you. Should The Program prove defective, you
208	assume the cost of all necessary servicing, repair, or correction.
209
210	In no event unless agreed to in writing will The Copyright Holder, or
211	any author named in the files of The Program, or any other party who may
212	distribute and/or modify The Program as permitted above, be liable to
213	you for damages, including any general, special, incidental or
214	consequential damages arising out of any use of The Program or out of
215	inability to use The Program (including, but not limited to, loss of
216	data, data being rendered inaccurate, or losses sustained by anyone as
217	a result of any failure of The Program to operate with any other
218	programs), even if The Copyright Holder or said author or said other
219	party has been advised of the possibility of such damages.
220
221
222	WHETHER AND HOW TO DISTRIBUTE PROGRAMS UNDER THIS LICENSE
223	=========================================================
224
225	This section contains important instructions, examples, and
226	recommendations for authors who are considering distributing their
227	programs under this license. These authors are addressed as `you' in
228	this section.
229
230
231	Choosing This License or Another License
232	----------------------------------------
233
234	If for any part of your program you want or need to use distribution
235	conditions that differ from those in this license, then do not refer to
236	this license anywhere in your program but instead distribute your
237	program under a different license. You may use the text of this license
238	as a model for your own license, but your license should not refer to
239	the LPPL or otherwise give the impression that your program is
240	distributed under the LPPL.
241
242	The document `modguide.tex' in the base LaTeX distribution explains
243	the motivation behind the conditions of this license. It explains,
244	for example, why distributing LaTeX under the GNU General Public
245	License (GPL) was considered inappropriate. Even if your program is
246	unrelated to LaTeX, the discussion in `modguide.tex' may still be
247	relevant, and authors intending to distribute their programs under any
248	license are encouraged to read it.
249
250
251	How to Use This License
252	-----------------------
253
254	To use this license, place in each of the files of your program both
255	an explicit copyright notice including your name and the year and also
256	a statement that the distribution and/or modification of the file is
257	constrained by the conditions in this license.
258
259	Here is an example of such a notice and statement:
260
261	%% pig.dtx
262	%% Copyright 2001 M. Y. Name
263	%
264	% This program may be distributed and/or modified under the
265	% conditions of the LaTeX Project Public License, either version 1.2
266	% of this license or (at your option) any later version.
267	% The latest version of this license is in
268	% http://www.latex-project.org/lppl.txt
269	% and version 1.2 or later is part of all distributions of LaTeX
270	% version 1999/12/01 or later.
271	%
272	% This program consists of the files pig.dtx and pig.ins
273
274	Given such a notice and statement in a file, the conditions given in
275	this license document would apply, with `The Program' referring to the
276	two files `pig.dtx' and `pig.ins', and `The Copyright Holder' referring
277	to the person `M. Y. Name'.
278
279
280	Important Recommendations
281	-------------------------
282
283	Defining What Constitutes The Program
284
285	The LPPL requires that distributions of The Program contain all the
286	files of The Program. It is therefore important that you provide a
287	way for the licensee to determine which files constitute The Program.
288	This could, for example, be achieved by explicitly listing all the
289	files of The Program near the copyright notice of each file or by
290	using a line like
291
292	% This program consists of all files listed in manifest.txt.
293
294	in that place. In the absence of an unequivocal list it might be
295	impossible for the licensee to determine what is considered by you
296	to comprise The Program.
297
298	Noting Exceptional Files
299
300	If The Program contains any files bearing additional conditions on
301	modification, or on distribution of modified versions, of those
302	files (other than those listed in `Additional Conditions on LaTeX
303	Software Files'), then it is recommended that The Program contain a
304	prominent file that defines the exceptional conditions, and either
305	lists the exceptional files or defines one or more categories of
306	exceptional files.
307
308	Files containing the text of a license (such as this file) are
309	often examples of files bearing more restrictive conditions on
310	modification. LaTeX configuration files (with filename extension
311	`.cfg') are examples of files bearing less restrictive conditions
312	on the distribution of a modified version of the file. The
313	additional conditions on LaTeX software given above are examples
314	of declaring a category of files bearing exceptional additional
315	conditions.
316
317
318