const testing.marker

5 uses

	testing (current package)
		testing.go#L557: const marker = byte(0x16) // ^V for framing
		testing.go#L561: 		return string(marker)
		testing.go#L583: 		return string(marker)
		testing.go#L895: 		if line[0] == marker {
		testing.go#L896: 			w.c.output = append(w.c.output, marker)