copyright question

[Francesco Tapparo <cesco@mizar>]

Hi,
   I'm packaging figlet, and I've a small copyright problem:
the figlet source does'nt have a global copyright, but different
copyright are used in different files.
Some files have this copyright:
/*
 * Copyright (c) 1995, Edward B. Hamrick
 *
 * Permission to use, copy, modify, distribute, and sell this software and
 * its documentation for any purpose is hereby granted without fee,provided
 * that
 *
 * (i)  the above copyright notice and the text in this "C" comment block
 *      appear in all copies of the software and related documentation, and
 *
 * (ii) any modifications to this source file must be sent, via e-mail
 *      to the copyright owner (currently hamrick@primenet.com) within
 *      30 days of such modification.
 *
 * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
 * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
 *
 * IN NO EVENT SHALL EDWARD B. HAMRICK BE LIABLE FOR ANYSPECIAL, INCIDENTAL,
 * INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, OR ANY DAMAGES WHATSOEVER
 * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER OR NOT ADVISED OF
 * THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF LIABILITY, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

Some files have this copyright:
 
   FIGlet Copyright 1991, 1993, 1994 Glenn Chappell and Ian Chai
   FIGlet Copyright 1996, 1997 John Cowan
   Portions written by Paul Burton
   Internet: <figlet-l@postoffice.cso.uiuc.edu>
   FIGlet, along with the various FIGlet fonts and documentation, may be
   freely copied and distributed.
	       
This is my main problem: it does'nt mention the possibilty of modify the
software. This copyright is reported even by figlet -v.

Some other files does'nt have copyright at all.

Finally, the debian copyright file of the precedent vesrion of the package
say:
The following copyright applies to this software:

  figlet (C) 1991, 1993, 1994 Glenn Chappell and Ian Chai
  Internet: <ggc@uiuc.edu> and <chai@uiuc.edu>
  figlet, along with the various figlet fonts and documentation, may be
  freely copied and distributed.
  if you use figlet, please send an e-mail message to <figlet@uiuc.edu>.
	    
  In addition, the authors have approved the following copyright addendum:
	    
  This program may be sold as a component of the Debian Linux
  distribution or a Linux distribution derived from the Debian
  Linux distribution. If it is distributed in binary form, the
  source code must be included in the distribution as well.

A bit suspect, if the package would be freely redistributable.

What I must make now?

Thanks 
Francesco
f.tapparo@vi.nettuno.it


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