const image/jpeg.sof2Marker

3 uses

	image/jpeg (current package)
		reader.go#L53: 	sof2Marker = 0xc2 // Start Of Frame (Progressive).
		reader.go#L607: 		case sof0Marker, sof1Marker, sof2Marker:
		reader.go#L609: 			d.progressive = marker == sof2Marker