Copyright for libgsm source package in Yangtze V1.0

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: libgsm
Upstream-Contact: Jutta Degener 
Source: http://www.quut.com/gsm/

Files: *
Copyright:
 1992-1994 by Jutta Degener and Carsten Bormann, Technische Universitaet Berlin
License: TU-Berlin-2.0

Files: debian/*
Copyright:
 1997, Klee Dienes 
 1999, Martin Mitchell 
 2004-2012, Jochen Friedrich 
 2018, Felix Lechner 
License: TU-Berlin-2.0

License: TU-Berlin-2.0
 Any use of this software is permitted provided that this notice is not
 removed and that neither the authors nor the Technische Universitaet
 Berlin are deemed to have made any representations as to the
 suitability of this software for any purpose nor are held responsible
 for any defects of this software.  THERE IS ABSOLUTELY NO WARRANTY FOR
 THIS SOFTWARE.
 .
 As a matter of courtesy, the authors request to be informed about uses
 this software has found, about bugs in this software, and about any
 improvements that may be of general interest.
 .
 Berlin, 28.11.1994
 Jutta Degener
 Carsten Bormann
 .
 Since the original terms of 15 years ago maybe do not make our
 intentions completely clear given today's refined usage of the legal
 terms, we append this additional permission:
 .
       Permission to use, copy, modify, and distribute this software
       for any purpose with or without fee is hereby granted,
       provided that this notice is not removed and that neither
       the authors nor the Technische Universitaet Berlin are
       deemed to have made any representations as to the suitability
       of this software for any purpose nor are held responsible
       for any defects of this software.  THERE IS ABSOLUTELY NO
       WARRANTY FOR THIS SOFTWARE.
 .
 Berkeley/Bremen, 05.04.2009
 Jutta Degener
 Carsten Bormann