* foo
+ bar
- baz

1. foo
  2. bar
42. baz

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

[
	["list", "*"], " foo\r\n",
	["list", "+"], " bar\r\n",
	["list", "-"], " baz\r\n\r\n",
	["list", "1."], " foo\r\n  ",
	["list", "2."], " bar\r\n",
	["list", "42."], " baz"
]

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

Checks for list symbols.