Robert M. Gary opined

Patented, yes. Enforced, no. What good is an unenforceable patent??
-Robert

One of the things that have been patented is the xor cursor. SOmething that had
been in use for years before the patent was issued. It was/is a pain and
expensive to break such stupidities.


-ash
Cthulhu in 2005!
Why wait for nature?