In::
Lorem::
  Foo bar baz
Dolor:::
  Ipsum::::
    Donec;;
      Foobar

____
In::
Lorem::
  Foo bar baz
Dolor:::
  Ipsum::::
    Donec;;
      Foobar
____

|========
|
In::
Lorem::
  Foo bar baz
Dolor:::
  Ipsum::::
    Donec;;
      Foobar
|========

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

[
	["list-label", "In::"],
	["list-label", "Lorem::"],
	"\r\n  Foo bar baz\r\n",
	["list-label", "Dolor:::"],
	["list-label", "Ipsum::::"],
	["list-label", "Donec;;"],
	"\r\n      Foobar\r\n\r\n",

	["other-block", [
		["punctuation", "____"],

		["list-label", "In::"],
		["list-label", "Lorem::"],
		"\r\n  Foo bar baz\r\n",
		["list-label", "Dolor:::"],
		["list-label", "Ipsum::::"],
		["list-label", "Donec;;"],
		"\r\n      Foobar\r\n",

		["punctuation", "____"]
	]],

	["table", [
		["punctuation", "|========"],
		["punctuation", "|"],

		["list-label", "In::"],
		["list-label", "Lorem::"],
		"\r\n  Foo bar baz\r\n",
		["list-label", "Dolor:::"],
		["list-label", "Ipsum::::"],
		["list-label", "Donec;;"],
		"\r\n      Foobar\r\n",

		["punctuation", "|========"]
	]]
]

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

Checks for list labels.