{
	"browsers": {
		"safari": "4 - 9.1",
		"ie": "6 - 10",
		"firefox": "<=17",
		"ios_saf": "<9.3"
	},
	"spec": "http://dev.w3.org/csswg/cssom-view/#dom-window-devicepixelratio",
	"docs": "https://developer.mozilla.org/en-US/docs/Web/API/Window/devicePixelRatio",
	"notes": [
		"This polyfill just sets `devicePixelRatio` to 1 without attempting to measure it.",
		"Older versions of Firefox are known to incorrectly alter the DPR on user zoom, but we don't (currently) correct for this"
	]
}