[Fedora-legal-list] CNEWS license

[Jens-Ulrik Petersen]

Hello,

I am trying to package¹ editline <https://troglobit.com/projects/editline/>²
for Fedora,
which has an unusual license
<https://github.com/troglobit/editline/blob/master/LICENSE> that
originating from cnews:
https://www.openhub.net/licenses/cnews.

Let me quote the full license text below too for completeness.

Can this be considered a BSD-ish or similar license?
Or does it need a new Fedora license tag (CNEWS?)?

Thank you, Jens

[1] https://bugzilla.redhat.com/show_bug.cgi?id=1867290

 Copyright 1992,1993 Simmule Turner and Rich Salz
 All rights reserved.

 This software is not subject to any license of the American Telephone
 and Telegraph Company or of the Regents of the University of California.

 Permission is granted to anyone to use this software for any purpose on
 any computer system, and to alter it and redistribute it freely, subject
 to the following restrictions:
 1. The authors are not responsible for the consequences of use of this
    software, no matter how awful, even if they arise from flaws in it.
 2. The origin of this software must not be misrepresented, either by
    explicit claim or by omission.  Since few users ever read sources,
    credits must appear in the documentation.
 3. Altered versions must be plainly marked as such, and must not be
    misrepresented as being the original software.  Since few users
    ever read sources, credits must appear in the documentation.
 4. This notice may not be removed or altered.