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 You can redistribute and/or modify the TADS 3 source code either
 under the terms of the TADS 3 Freeware Source Code License as
 appearing in this file (LICENSE.TXT), or under the terms of the GNU
 General Public License as published by the Free Software Foundation
 and appearing in the file COPYING included in the packaging of this
 file (either version 2 of the license, or, at your option, any later
 version).

 You should have received a copy of the GNU General Public License
 along with this program; see the file COPYING.  If not, write to the
 Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 02111-1307, USA.

 The remainder of this file consists of the terms and conditions of
 the TADS 3 Freeware Source Code License.

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TADS 3 FREEWARE SOURCE CODE LICENSE

The TADS 3 source code is Copyright 1998, 2003 by Michael J. Roberts.

The author hereby grants you permission to use, copy, and distribute
this software, if you agree to the following conditions:

    1. You must include this license and the copyright notice with
       all copies.
    2. You may not require or collect a fee for copies of this
       software, or any part of this software, that you give to
       other people.
    3. You may not include this software with any other software
       for which a fee is collected.
    4. You may not modify this software except as permitted below
       (see "derivative works"), and each copy you make and
       distribute must be a full and complete copy of the software
       you originally received.
    5. Anyone to whom you give a copy of this software receives
       all of the same permissions that you did under this license
       and is subject to all of the same restrictions.
    6. You are not allowed to create derivative works, which are
       works that contain or are based on all or part of this work,
       except under the conditions described below.
    7. Any derivative works are subject to this same license.


Derivative Works
----------------

This source code is distributed for the specific purpose of porting
TADS, so that you can run the software on any system of your choosing.
All other derivative works are prohibited without the written
permission of the author.  I want to avoid the creation of variations
on the system, because it leads to confusion on the part of users if
there are multiple incompatible flavors floating around.  However, if
you have a specific idea in mind, I'd be happy to at least consider
it.  Please contact the author if you have any questions about this or
if you would like permission to create a derived work.  

If you port TADS to a new platform, the author does grant permission
for you to distribute your ported version - I encourage it, in fact.
I ask that you include your contact information in any distribution
package you create, so that users of your version will know how to
contact you if they have any questions relating specifically to your
version.

