FreeBSD license vs /usr/bin/true license

[Arthur Chance]

On 01/31/12 12:55, vermaden wrote:
> FreeBSD, as specified here [1] uses 2-clause BSD license,
> but /usr/bin/true [2] (as empty as it is) uses something like
> 3-clause BSD license, is that desired?
>
> [1] http://www.freebsd.org/copyright/freebsd-license.html
> [2] http://www.freebsd.org/cgi/cvsweb.cgi/~checkout~/src/usr.bin/true/true.c

By coincidence, this link turned up on Hacker News Daily this morning. 
It's about the copyright on the true command.

http://trillian.mit.edu/~jc/humor/ATT_Copyright_true.html