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authorKarl Berry <karl@freefriends.org>2006-01-13 23:32:53 +0000
committerKarl Berry <karl@freefriends.org>2006-01-13 23:32:53 +0000
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+$Id: //depot/Master/LICENSE.TL#12 $ $Date: 2005/09/17 $ $Author: karl $
+
+COPYING CONDITIONS FOR TeX Live:
+
+To the best of our knowledge, all software in this distribution is
+freely redistributable (libre, that is, not necessarily gratis), within
+the Free Software Foundation's definition and Debian Free Software
+Guidelines. If you find any non-free files included, please contact us
+(references given below).
+
+That said, TeX Live has neither a single copyright holder nor a single
+license covering its entire contents, since it is a collection of many
+disparate packages. Therefore, you may copy, modify, and/or
+redistribute software from TeX Live only if you comply with the
+requirements placed thereon by the owners of the respective packages.
+
+To most easily learn these requirements, we suggest checking the TeX
+Catalogue at: http://www.ctan.org/tex-archive/help/Catalogue/ (or any
+CTAN mirror). The Catalogue is also included in TeX Live in
+./texmf/doc/html/catalogue/, but the online version will have updates.
+Of course the legal statements within the packages themselves are the
+final authority.
+
+In some cases, TeX Live is distributed with a snapshot of the CTAN
+archive, which is entirely independent of and separable from TeX Live
+itself. (The "live" DVD in the TeX Collection is one example of this.)
+Please be aware that the CTAN snapshot contains many files which are
+*not* freely redistributable; see LICENSE.CTAN for more information.
+
+
+GUIDELINES FOR REDISTRIBUTION:
+
+In general, you may redistribute TeX Live, with or without modification,
+for profit or not, according to the usual free software tenets. Here
+are some general guidelines for doing this:
+
+- If you make any changes to the TeX Live distribution or any
+package it contains, besides complying with any licensing requirements,
+you must prominently mention such changes in your modified distribution
+so that users do not take your work for ours, and know to contact you,
+not us, in case of questions or problems. A new top-level
+README.<yourwork> file is a good place to describe the general situation.
+
+- Especially (but not necessarily) if changes or additions are made, we
+recommend a clearly different title, such as "<your work> demo CD",
+based on TeX Live YYYY demo (with updates)", where YYYY is the year of
+TeX Live you are publishing. This credits both our work and yours.
+
+- You absolutely may *not* place your own copyright on the entire
+distribution, since it is not your work (as stated above, TeX Live is
+not created by any single person or entity). Statements such as "all
+rights reserved" and "may not be reproduced" are especially
+reprehensible, since they are antithetical to the free software
+principles under which TeX Live is produced.
+
+- You may use any cover or media label designs that you wish. Such
+packaging and marketing details are not covered by any TeX Live license.
+
+- Finally, we make the following requests (not legal requirements):
+
+a) Acknowledging that TeX Live is developed as a joint effort by all TeX
+ user groups, and encouraging the user/reader to join their user group
+ of choice.
+
+ The web page http://www.tug.org/usergroups.html may be referenced as
+ a list of TeX user groups. We also appreciate your explicitly
+ listing all the user groups as given on that page, space permitting.
+
+b) Referencing the TeX Live home page: http://www.tug.org/tex-live/.
+
+c) Crediting the editor of the original TeX Live: Sebastian Rahtz.
+
+Such credits may be placed on the label of your media, your cover,
+and/or in accompanying text (for instance, in the acknowledgements
+section of a book).
+
+Finally, although it is certainly not a requirement, we'd like to invite
+any redistributors to make a donation to the project, whether cash or
+in-kind, for example via https://www.tug.org/donate.html. Thanks.
+
+
+If you have any questions or comments, *please* contact us. In general,
+we appreciate being given the chance to review any TeX Live-related
+material in advance of publication, simply to avoid mistakes. It is
+much better to correct text on a CD label or in a book before thousands
+of copies are made!
+
+We are also happy to keep anyone planning a publication informed as to
+our deadlines and progress. Just let us know. However, you should be
+aware that TeX Live is produced entirely by volunteers, and no dates can
+be guaranteed.
+
+
+LICENSING FOR NEW PACKAGES:
+
+Finally, we are often asked what license to use for new work. To be
+considered for inclusion on TeX Live, a package must use a free software
+license, such as the LaTeX Project Public License, the GNU Public
+License, the X Window System license, the modified BSD license, etc., or
+be put into the public domain. Please see the url's below for more
+discussion of this.
+
+Thanks for your interest in TeX.
+
+- Sebastian Rahtz, editor, for the TeX Live team
+
+
+TeX Live mailing list: texlive@tug.org
+TeX Live home page: http://www.tug.org/tex-live/
+
+The FSF's free software definition: http://www.gnu.org/philosophy/free-sw.html
+Debian Free Software Guidelines: http://www.debian.org/intro/free
+FSF commentary on existing licenses:
+ http://www.gnu.org/licenses/license-list.html
+
+LPPL: http://latex-project.org/lppl.html or texmf/doc/latex/base/lppl.txt
+LPPL rationale: texmf/doc/latex/base/modguide.pdf