I can create a new proper English language taking into account writing macro's for the likes of:
Colour (British) vs Color (American)
French fries (American) vs. chips (British) The Americans have their country wrong: Belgium fries would be acceptable.
Cotton candy (American) vs. candyfloss (British)
Apartment (American) vs. flat (British)
Garbage (American) vs. rubbish (British)
Cookie (American) vs. biscuit (British)
Green thumb (American) vs. green fingers (British)
Parking lot (American) vs. car park (British)
Pants (American) vs. trousers (British)
Windshield (American) vs. windscreen (British)
Bonnet (British) vs. hood (American) (referring to the front part of a car)
Lift (British) vs. elevator (American)
Torch (British) vs. flashlight (American)
Banger (British) vs. sausage (American)
Sausage (British) vs Fat(American) meaning overweight person or animal.
Nappy (British) vs. diaper (American)
Petrol (British) vs. gasoline (American)
Football(British) vs Soccer (American)?
Football(American) vs American football(British)
But this is only a small subset.....

I guess British programmers have to take American English as a second language.