swansonj
Guru
On the other hand, I would take some persuading that the rule that you pass the port to the left has any great function beyond allowing those who know the rule to feel superior to those who don't. One could give other examples ... which might well include quite a lot of rules of grammar that go beyond what is necessary for functionally effective communication.Er, no they don't. The 30MPH limit doesn't exist to enable identification of those travelling at 40, it exists to restrict drivers' speeds to 30MPH or below.