what is the correct way to spell "cancelled?"

[Nocturnal]

is it canceled or cancelled? because i see cancelled on a lot of advertisements, contracts, etc etc. does anyone know?

 

[Chaotic42]

http://www.m-w.com/

 

[Viper GTS]

Either

Viper GTS

 

[bmacd]

i spell it with 2 L's.

-=bmacd=-

 

[FeathersMcGraw]

Originally posted by: Viper GTS
Either

Well, you learn something new every day. I wasn't aware that "canceled" was a legal spelling variant. Is one of the usages American and the other British? FWIW, I use two Ls.