Copyright for diffstat source package in Huanghe V3.0

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: diffstat
Upstream-Contact: Thomas E. Dickey
Source: https://invisible-mirror.net/diffstat/diffstat.htm

Files: *
Copyright: Copyright (C) 1994-2021,2022 by Thomas E. Dickey
License: MIT

Files: debian/*
Copyright: 2012-2022 Sandro Tosi 
License: MIT

License: MIT
 Permission to use, copy, modify, and distribute this software and its
 documentation for any purpose and without fee is hereby granted, provided
 that the above copyright notice appear in all copies and that both that
 copyright notice and this permission notice appear in supporting
 documentation, and that the name of the above listed copyright holder(s)
 not be used in advertising or publicity pertaining to distribution of the
 software without specific, written prior permission.
 .
 THE ABOVE LISTED COPYRIGHT HOLDER(S) DISCLAIM ALL WARRANTIES WITH REGARD
 TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
 FITNESS, IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE
 FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
 IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.