Different usage on this side of the pond.
Just a lot of hot air.
All null pens are functionally equivalent, so why have more than one? Are some pens more null than others?
If you ever have to debug one of these things.
If you are the one calling the delegate, you have an extra thing to worry about.
Fiddling a knob that isn't connected to anything.
How failures in the wild get categorized by analysis.
It depends on how you shrink it.
Trying to contain the damage.
Call for a translator.