And yet more accurate.
That first exception is totally unacceptable. English may be a very flexible language, but there are some things you can't do - you just have to go a longer way of saying them.
More accurately, it is Talk Like Robert Newton Day.
He gave Long John Silver a West Country accent in the film of Treasure Island and so that's the accent people associate with pirates, whereas in reality they came from all over the place and spoke with many different accents.