and
break
do
else
elseif
end
false
for
function
goto
if
in
local
nil
not
or
repeat
return
then
true
until
while

----------------------------------------------------

[
	["keyword", "and"],
	["keyword", "break"],
	["keyword", "do"],
	["keyword", "else"],
	["keyword", "elseif"],
	["keyword", "end"],
	["keyword", "false"],
	["keyword", "for"],
	["keyword", "function"],
	["keyword", "goto"],
	["keyword", "if"],
	["keyword", "in"],
	["keyword", "local"],
	["keyword", "nil"],
	["keyword", "not"],
	["keyword", "or"],
	["keyword", "repeat"],
	["keyword", "return"],
	["keyword", "then"],
	["keyword", "true"],
	["keyword", "until"],
	["keyword", "while"]
]

----------------------------------------------------

Checks for keywords.