Why the old version of pf?

[Redd Vinylene]

Hello hello!

Just curious why FreeBSD 7 has to use an old version of pf? There's
been so many improvements! I'd very much like to use the new IP range
feature for instance, so I can reduce

box = "{ 80.252.2.4, 80.252.2.5, 80.252.2.6, 80.252.2.7, 80.252.2.8,
80.252.2.9, 80.252.2.10, 80.252.2.11, 80.252.2.12, 80.252.2.13,
80.252.2.14, 80.252.2.15, 80.252.2.16, 80.252.2.17, 80.252.2.18,
80.252.2.19, 80.252.2.20, 80.252.2.21, 80.252.2.22, 80.252.2.23,
80.252.2.24, 80.252.2.25, 80.252.2.26, 80.252.2.27, 80.252.2.28,
80.252.2.29, 80.252.2.30, 80.252.2.31, 80.252.2.32, 80.252.2.33,
80.252.2.34, 80.252.2.35, 80.252.2.36, 80.252.2.37, 80.252.2.38,
80.252.2.39, 80.252.2.40, 80.252.2.41, 80.252.2.42, 80.252.2.43,
80.252.2.44, 80.252.2.45, 80.252.2.46, 80.252.2.47, 80.252.2.48,
80.252.2.49, 80.252.2.50, 80.252.2.51, 80.252.2.52, 80.252.2.53,
80.252.2.54, 80.252.2.55, 80.252.2.56, 80.252.2.57, 80.252.2.58,
80.252.2.59, 80.252.2.60, 80.252.2.61, 80.252.2.62, 80.252.2.63,
80.252.2.64, 80.252.2.65, 80.252.2.80, 80.252.2.67, 80.252.2.68,
80.252.2.69, 80.252.2.70, 80.252.2.71, 80.252.2.72, 80.252.2.73,
80.252.2.74, 80.252.2.75, 80.252.2.76, 80.252.2.77, 80.252.2.78,
80.252.2.79, 80.252.2.80, 80.252.2.81, 80.252.2.82, 80.252.2.83,
80.252.2.84, 80.252.2.85, 80.252.2.86, 80.252.2.87, 80.252.2.88,
80.252.2.89, 80.252.2.90, 80.252.2.91, 80.252.2.92, 80.252.2.93,
80.252.2.94, 80.252.2.95, 80.252.2.96, 80.252.2.97, 80.252.2.98,
80.252.2.99, 80.252.2.100, 80.252.2.101, 80.252.2.102, 80.252.2.103,
80.252.2.104, 80.252.2.105, 80.252.2.106, 80.252.2.107, 80.252.2.108,
80.252.2.109, 80.252.2.110, 80.252.2.111, 80.252.2.112, 80.252.2.113,
80.252.2.114, 80.252.2.115, 80.252.2.116, 80.252.2.117, 80.252.2.118,
80.252.2.119, 80.252.2.120, 80.252.2.121, 80.252.2.122, 80.252.2.123,
80.252.2.124, 80.252.2.125, 80.252.2.126, 80.252.2.127 }"

to

box = "{ 80.252.2.4 - 80.252.2.127 }"

Much obliged, and thanks!

-- 
http://www.home.no/reddvinylene