directive,
enum,
extend,
fragment,
implements,
input,
interface,
mutation,
on,
query,
repeatable,
scalar,
schema,
subscription,
type,
union,

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

[
	["keyword", "directive"],
	["punctuation", ","],
	["keyword", "enum"],
	["punctuation", ","],
	["keyword", "extend"],
	["punctuation", ","],
	["keyword", "fragment"],
	["punctuation", ","],
	["keyword", "implements"],
	["punctuation", ","],
	["keyword", "input"],
	["punctuation", ","],
	["keyword", "interface"],
	["punctuation", ","],
	["keyword", "mutation"],
	["punctuation", ","],
	["keyword", "on"],
	["punctuation", ","],
	["keyword", "query"],
	["punctuation", ","],
	["keyword", "repeatable"],
	["punctuation", ","],
	["keyword", "scalar"],
	["punctuation", ","],
	["keyword", "schema"],
	["punctuation", ","],
	["keyword", "subscription"],
	["punctuation", ","],
	["keyword", "type"],
	["punctuation", ","],
	["keyword", "union"],
	["punctuation", ","]
]

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

Checks for keywords.
