""
"foo"
"${datadir}householdmembers"
"‘ins’"
"‘mpg[one]’"

`"ysc(r(0 80)) xtitle("Health Status", size(medlarge))"'

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

[
	["string-literal", [
		["string", "\"\""]
	]],
	["string-literal", [
		["string", "\"foo\""]
	]],
	["string-literal", [
		["string", "\""],
		["interpolation", [
			["punctuation", "${"],
			["expression", [
				["command", "datadir"]
			]],
			["punctuation", "}"]
		]],
		["string", "householdmembers\""]
	]],
	["string-literal", [
		["string", "\""],
		["interpolation", [
			["expression", [
				["variable", "‘ins’"]
			]]
		]],
		["string", "\""]
	]],
	["string-literal", [
		["string", "\""],
		["interpolation", [
			["expression", [
				["variable", "‘mpg[one]’"]
			]]
		]],
		["string", "\""]
	]],

	["string-literal", [
		["string", "`\"ysc(r(0 80)) xtitle(\"Health Status\", size(medlarge))\"'"]
	]]
]
