{% unless pages == empty %}
  <!-- This will only print if the page with handle "about" is not empty -->
  <h1>{{ pages.frontpage.not_empty_title }}</h1>
  <div>{{ pages.frontpage.content }}</div>
{% endunless %}

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

[
	["liquid", [
		["delimiter", "{%"],
		["keyword", "unless"],
		" pages ",
		["operator", "=="],
		["empty", "empty"],
		["delimiter", "%}"]
	]],

	["comment", "<!-- This will only print if the page with handle \"about\" is not empty -->"],

	["tag", [
		["tag", [
			["punctuation", "<"],
			"h1"
		]],
		["punctuation", ">"]
	]],
	["liquid", [
		["delimiter", "{{"],
		" pages",
		["punctuation", "."],
		"frontpage",
		["punctuation", "."],
		"not_empty_title ",
		["delimiter", "}}"]
	]],
	["tag", [
		["tag", [
			["punctuation", "</"],
			"h1"
		]],
		["punctuation", ">"]
	]],

	["tag", [
		["tag", [
			["punctuation", "<"],
			"div"
		]],
		["punctuation", ">"]
	]],
	["liquid", [
		["delimiter", "{{"],
		" pages",
		["punctuation", "."],
		"frontpage",
		["punctuation", "."],
		"content ",
		["delimiter", "}}"]
	]],
	["tag", [
		["tag", [
			["punctuation", "</"],
			"div"
		]],
		["punctuation", ">"]
	]],

	["liquid", [
		["delimiter", "{%"],
		["keyword", "endunless"],
		["delimiter", "%}"]
	]]
]

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

Test for the 'empty' keyword / special thing.
