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- pty version 3.001, August 21, 1990.
- Copyright (c) 1990, Daniel J. Bernstein.
- All rights reserved.
-
- I want this program to be distributed freely in original form.
-
- Once you've received a legal copy of this program, you can use it.
- Forever. Nobody can take that right away from you. You can make changes
- and backup copies for your use (or, if you're an organization, for the
- use of everyone in the organization). You can distribute patches (though
- not patched versions). You'd have all these rights even if I didn't tell
- you about them.
-
- Copyright law gives an author the exclusive right to copy and distribute his
- works. So that you don't have to worry about these legalities, I grant you the
- right to make and distribute exact and complete copies of this program.
-
- On the other hand, I don't want this program sold without my permission.
- Unless I give you permission, you may not charge for copies. You may charge for
- distribution---but only if you first warn the recipient that the code is free,
- and tell him where you got it from.
-
- I don't want this program distributed without my name on it. I also don't
- want lots of different versions running around, so unless I give you permission
- you can't send out a modified version. It's perfectly all right to send other
- people a description of how to make your changes (i.e., a patch), because then
- each recipient knows firsthand what patches he's installed, and I won't go
- chasing ghosts. (An author has no right to control patches in any case.)
-
- If you run an archive site: When you receive a patch supposedly from me, do you
- apply it to the original package and repackage it? I encourage you to change
- your policy, if for no other reason than to give recipients a fallback in case
- of buggy patches. If you're really set on this, how about including the patches
- as separate, unapplied PATCHnn files inside the package? That's fine by me.
-
- If you have questions about this program or about this notice, or if you
- would like additional rights beyond those granted above, or if you have
- a patch that you don't mind sharing, please contact me on the Internet
- at brnstnd@acf10.nyu.edu.
-