tcsh source without csh source license

[Art Neilson]

In article <1991Mar31.114804.13952 at maverick.ksu.ksu.edu> tar at math.ksu.edu (Tim Ramsey) writes:
> [ article asking about tcsh sources deleted .. ]
>
>It's not a myth; I use it here.  Grab the 4.3bsd-reno csh sources from
>wuarchive.wustl.edu (128.252.135.4) or wherever else they are.  Then ftp to
>ee.cornell.edu (128.84.253.11) and grab
>
>   /pub/tcsh-5.20/tcsh.reno-5.20.02.tar.Z
>   
>Follow the directions in the tcsh README.
>
>There are also tar files for 4.3bsd and 4.3bsd-tahoe, if that's the csh
>sources you have.

Huh ?  Is this right ?
The bsd 4.3 csh source requires NO source license ?

-- 
Arthur W. Neilson III		| INET: art at pilikia.pegasus.com
Bank of Hawaii Tech Support	| UUCP: uunet!ucsd!nosc!pilikia!art