foo=  value 2

foo="something" "some thing" "…"
foo=  "something" "some thing" "…"
foo=value 2 \
    value 2 continued

foo=value 3\
# this line is ignored
; this line is ignored too
       value 3 continued

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

[
	["key", "foo"], ["punctuation", "="], ["value", ["value 2"]],

	["key", "foo"],
	["punctuation", "="],
	["value", [
		["quoted", "\"something\""],
		["quoted", "\"some thing\""],
		["quoted", "\"…\""]
	]],

	["key", "foo"],
	["punctuation", "="],
	["value", [
		["quoted", "\"something\""],
		["quoted", "\"some thing\""],
		["quoted", "\"…\""]
	]],

	["key", "foo"],
	["punctuation", "="],
	["value", [
		"value 2 ", ["punctuation", "\\"],
		"\r\n    value 2 continued"
	]],

	["key", "foo"],
	["punctuation", "="],
	["value", [
		"value 3", ["punctuation", "\\"],
		["comment", "# this line is ignored"],
		["comment", "; this line is ignored too"],
		"\r\n       value 3 continued"
	]]
]
