-include
define
else
endef
endif
export
ifdef
ifeq
ifndef
ifneq
include
override
private
sinclude
undefine
unexport
vpath

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

[
	["keyword", "-include"],
	["keyword", "define"],
	["keyword", "else"],
	["keyword", "endef"],
	["keyword", "endif"],
	["keyword", "export"],
	["keyword", "ifdef"],
	["keyword", "ifeq"],
	["keyword", "ifndef"],
	["keyword", "ifneq"],
	["keyword", "include"],
	["keyword", "override"],
	["keyword", "private"],
	["keyword", "sinclude"],
	["keyword", "undefine"],
	["keyword", "unexport"],
	["keyword", "vpath"]
]

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

Checks for keywords.
