The difference with the BSD license is that it doesn't require to
   use the same license for redistribution, just to keep the copyright
   stance.


this is not quite right.  to quote my own BSD-derived license:


 * Copyright (c) 2003 Matthew R. Green
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 [ disclaimer goes here ]

note "1."


.mrg.