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10.  附录 3: 套件和版权

10.1 套件

teTeX 为 自由软体 ,这代表它在某些条件下,它可以自由被使用与散布。这程式集不是公众的,而是有版权的,和一些限制条件的,但是这些限制,被设计允许一个好的合作市民,将会做的每件事物。避免分享不到其他由此免费的软体,所发展出来任何更进一步的版本。确实的情况,在与许多软体一起包裹过来的GNU General Public License 中被找到,也出现在下一节中。

一个得到这程式集方法,就是跟有它的人要。你不需要我们的许可或告诉任何的人, 就可以拷贝它。如果你会使用网际网路存取,就藉由匿名的 FTP得到最近的套件版本,详细情况请看 `` 来源 '' 。

当你买一部电脑的时候,你也可能得到这软体。电脑制造业者,跟任何人适用的情况一样,也可以免费取得这软体。这些专有术语,保证他们要给你那些完整的来源,包括他们可能已经做的任何改变, General Public License 也允许你重新散布这些从他们得来的套件。换句话说,这些不但对你是免费的,同时对制造业者也是。

你在可以向免费软体基金会,订购这个 GNU 软体的光碟,这是一个取得软体既方便又可靠的方法,它也可以帮助我们的基金会。 ( 基金会由此得到大多数的赞助基金 ) 订购单会附在大多数的套件□,或由我们网站 http://www.gnu.ai.mit.edu/order/order.html. 找到。对於进一步的消息,请写到

Free Software Foundation
59 Temple Place, Suite 330
Boston, MA  02111-1307 USA
USA
来自套件的收入,都用来支助基金会的目标:新的免费软体的发展和改进已存在的软体。

如果你在你的工作地点使用 GNU 软体,请提议公司赞助。如果公司政策对此类赞助,是不表赞同的,你可提议偶而向基金会订购光碟,或定期的更新使用的软体。

10.2 GNU GENERAL PUBLIC LICENSE

Version 2, June 1991

Copyright (C) 1989, 1991 Free Software Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed.

Preamble.

The licenses for most software are designed to take away your freedom to share and change it. By contrast, the GNU General Public License is intended to guarantee your freedom to share and change free software---to make sure the software is free for all its users. This General Public License applies to most of the Free Software Foundation's software and to any other program whose authors commit to using it. (Some other Free Software Foundation software is covered by the GNU Library General Public License instead.) You can apply it to your programs, too.

When we speak of free software, we are referring to freedom, not price. Our General Public Licenses are designed to make sure that you have the freedom to distribute copies of free software (and charge for this service if you wish), that you receive source code or can get it if you want it, that you can change the software or use pieces of it in new free programs; and that you know you can do these things.

To protect your rights, we need to make restrictions that forbid anyone to deny you these rights or to ask you to surrender the rights. These restrictions translate to certain responsibilities for you if you distribute copies of the software, or if you modify it.

For example, if you distribute copies of such a program, whether gratis or for a fee, you must give the recipients all the rights that you have. You must make sure that they, too, receive or can get the source code. And you must show them these terms so they know their rights.

We protect your rights with two steps: (1) copyright the software, and (2) offer you this license which gives you legal permission to copy, distribute and/or modify the software.

Also, for each author's protection and ours, we want to make certain that everyone understands that there is no warranty for this free software. If the software is modified by someone else and passed on, we want its recipients to know that what they have is not the original, so that any problems introduced by others will not reflect on the original authors' reputations.

Finally, any free program is threatened constantly by software patents. We wish to avoid the danger that redistributors of a free program will individually obtain patent licenses, in effect making the program proprietary. To prevent this, we have made it clear that any patent must be licensed for everyone's free use or not licensed at all.

The precise terms and conditions for copying, distribution and modification follow.

TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION

END OF TERMS AND CONDITIONS

10.3 How to Apply These Terms to Your New Programs

If you develop a new program, and you want it to be of the greatest possible use to the public, the best way to achieve this is to make it free software which everyone can redistribute and change under these terms.

To do so, attach the following notices to the program. It is safest to attach them to the start of each source file to most effectively convey the exclusion of warranty; and each file should have at least the ``copyright'' line and a pointer to where the full notice is found.

[one line to give the program's name and an idea of what it does.
Copyright (C) 19[yy]  [name of author]

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 2
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, write to the Free Software Foundation, Inc.,
59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.

Also add information on how to contact you by electronic and paper mail.

If the program is interactive, make it output a short notice like this when it starts in an interactive mode:

Gnomovision version 69, Copyright (C) 19[yy] [name of author]
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details
type `show w'.  This is free software, and you are welcome
to redistribute it under certain conditions; type `show c'
for details.

The hypothetical commands ``show w'' and ``show c'' should show the appropriate parts of the General Public License. Of course, the commands you use may be called something other than ``show w'' and ``show c''; they could even be mouse-clicks or menu items---whatever suits your program.

You should also get your employer (if you work as a programmer) or your school, if any, to sign a ``copyright disclaimer'' for the program, if necessary. Here is a sample; alter the names:

Yoyodyne, Inc., hereby disclaims all copyright
interest in the program `Gnomovision'
(which makes passes at compilers) written
by James Hacker.

[signature of Ty Coon] 1 April 1989
Ty Coon, President of Vice

This General Public License does not permit incorporating your program into proprietary programs. If your program is a subroutine library, you may consider it more useful to permit linking proprietary applications with the library. If this is what you want to do, use the GNU Library General Public License instead of this License.


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