const testing.markFraming

7 uses

	testing (current package)
		testing.go#L566: 	markFraming  byte = 'V' &^ '@' // ^V: framing
		testing.go#L574: 		return string(markFraming)
		testing.go#L596: 		return string(markFraming)
		testing.go#L679: 		case markFraming, markErrBegin, markErrEnd, markEscape:
		testing.go#L956: 		if line[0] == markFraming {
		testing.go#L957: 			w.c.output = append(w.c.output, markFraming)
		testing.go#L1320: 		case markFraming, markEscape, markErrBegin, markErrEnd:

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