Ahem!
WHEREAS Star Wars is an American film, and
WHEREAS its entire conceptual universe is therefore American, and
WHEREAS us Americans don't spell some things the same way y'all Brits do and
WHEREAS the Star Wars mythology is well-nigh holy to Americans, and
WHEREAS there is a general feeling that things considered holy should be universally respected,
It is RESOLVED that the only acceptable spelling, worldwide, for the weapon of the Jedi is:
LIGHTSABER
that is all