Copyright for libperlio-gzip-perl source package in Yangtze V1.0

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: libperlio-gzip-perl
Source: 
#
# Please double check copyright with the licensecheck(1) command.

Files:     Changes
           MANIFEST
           META.json
           META.yml
           Makefile.PL
           gzip.pm
           t/ok17.gz
           t/ok19
           t/ok21
           t/ok3.gz
           t/ok50.gz.short
           t/ok54.gz.len
           t/ok58.gz.crc
           t/read.t
           t/write.t
Copyright: __NO_COPYRIGHT_NOR_LICENSE__
License:   __NO_COPYRIGHT_NOR_LICENSE__

Files:     README
           gzip.xs
Copyright: 2001-2006 Nicholas Clark
           AND LICENCE
License:   __UNKNOWN__
 You may distribute this work under the terms of either the GNU General
 Public License or the Artistic License, as specified in perl's README
 file.

#----------------------------------------------------------------------------
# Files marked as NO_LICENSE_TEXT_FOUND may be covered by the following
# license/copyright files.