if then else elif fi
for break continue while
in case function select
do done until echo exit
return set declare
. :
----------------------------------------------------

[
	["keyword", "if"], ["keyword", "then"], ["keyword", "else"], ["keyword", "elif"], ["keyword", "fi"],
	["keyword", "for"], ["keyword", "break"], ["keyword", "continue"], ["keyword", "while"],
	["keyword", "in"], ["keyword", "case"], ["keyword", "function"], ["keyword", "select"],
	["keyword", "do"], ["keyword", "done"], ["keyword", "until"], ["keyword", "echo"], ["keyword", "exit"],
	["keyword", "return"], ["keyword", "set"], ["keyword", "declare"],
	["keyword", "."], ["keyword", ":"]
]

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

Checks for all keywords.